CN104901397A - Charger of portable detector - Google Patents
Charger of portable detector Download PDFInfo
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- CN104901397A CN104901397A CN201510377654.0A CN201510377654A CN104901397A CN 104901397 A CN104901397 A CN 104901397A CN 201510377654 A CN201510377654 A CN 201510377654A CN 104901397 A CN104901397 A CN 104901397A
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- charger
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Chemical & Material Sciences (AREA)
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- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a charger of a portable detector, which comprises a rectifier module, a voltage reducing module, a charging port, an MCU, an exhaust motor, a suction motor unit, a sealing air cavity and a communication interface; the MCU is respectively connected with the communication interface and the charging port, is used for detecting whether charging is performed at the charging port and calibration time is reached, and sends a calibration command to the portable detector when the calibration time is reached in a charging state; the exhaust motor is fixedly connected onto the sealing air cavity, is electrically connected with the MCU, and is used for discharging air in the sealing air cavity during calibration; the suction motor unit is fixedly connected onto the sealing air cavity, is electrically connected with the MCU, and is used for sucking air into the sealing air cavity after receiving the calibration command sent by the MCU. The charger can automatically perform the calibration on the detector during a charging process, so as to reduce the maintenance difficulty of the portable detector, and meanwhile, improve the accuracy of the calibration.
Description
Technical field
The present invention relates to the detector of chemical industry, colliery, pipe gas etc., particularly relate to a kind of charger of lineman's detector.
Background technology
Safety problem is the problem paid close attention to the most in industrial production, portable gas detector is as the important precautionary measures in the field such as chemical industry, colliery, rise to the problem of the most important thing in production in safety problem after, obtain applying more and more widely, be both its requirement also more and more higher.
How to ensure that the accuracy of lineman's detector itself, stability obviously will become the key content of product research.Need regularly to safeguard according to the countries concerned's regulation gas detector, wherein comprise and regularly lineman's detector is calibrated.General industry portable gas detector manufacturer can advise carrying out primary calibration every 6 months or requiring to carry out periodic calibration operation according to local relevant criterion.
Lineman's detector chargers all in the market does not all have automatic calibration function, and when detector needs calibration, need independent calibrator (-ter) unit, calibration operation can be caused complicated, and reliability is low.Meanwhile, user needs to record every platform detector each alignment time, then calculates calibration date next time, can cause unnecessary personnel's waste, also can have influence on the accuracy of detection owing to forgetting calibration.In addition, lineman's detector is generally less than three buttons, and for the lineman's detector with time display function, it is also operationally very troublesome for arranging the long number such as year, month, day, hour, min, second by three buttons.
Summary of the invention
Technical problem to be solved by this invention is the charger providing a kind of lineman's detector, and being intended to solve lineman's detector can not the problem of automatic calibration when charging.
The present invention realizes like this, a kind of charger of lineman's detector, comprise rectification module, voltage reduction module and charging inlet, described rectification module is connected with described voltage reduction module, for being export to described voltage reduction module after direct current by AC conversion, described voltage reduction module is connected with described charging inlet, the direct current of input is carried out step-down and outputs to charging inlet, and described charger also comprises MCU, exhaust motor, air-breathing motor unit, sealed air-space and communication interface;
Described MCU is connected with charging inlet with described communication interface respectively, for detecting the alignment time whether charging inlet has charging and whether arrive setting, in the charge state and the alignment time then by described communication interface, calibration command is sent to described lineman's detector, described calibration command comprises calibration parameter and exhaust, inflation instruction;
Described exhaust motor is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being discharged by the gas in described sealed air-space when calibrating;
Described air-breathing motor unit is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being drawn into by gas in described sealed air-space after the calibration command receiving described MCU;
Described sealed air-space is connected with the air inlet of detector, makes the gas stored in described sealed air-space flow to the air inlet of detector;
Described communication interface is connected with lineman's detector, for the calibration parameter received from described MCU is sent to described lineman's detector.
Further, described air-breathing motor unit comprises the first air-breathing motor and/or the second air-breathing motor, described first air-breathing motor is fixedly connected on described sealed air-space, be electrically connected with described MCU, and by the contact air outside air inlet and charger, for after the calibration command receiving described MCU by air intake in described sealed air-space;
Described second air-breathing motor is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being filled with in described sealed air-space by calibrating gas after the calibration command receiving described MCU.
Further, described charger also comprises electromagnetically operated valve, tracheae and gas cylinder, and described gas cylinder is connect, for storing the calibrating gas for calibrating by described tracheae, electromagnetically operated valve and described second air-breathing motors.
Further, first, second air-breathing motor described is laid in the lower left side of described sealed air-space, and described exhaust motor is laid in the upper right side of described sealed air-space.
Further, described charger also comprises clock module, and described clock module is connected with described MCU.
Further, described charger also comprises LCD display module, and described LCD display module is connected with described MCU, clock module respectively.
Further, described charger also comprises function key, and described function key is connected with described MCU, for adjusting alignment time of charger, date, time.
Further, described function key comprises and arranges key, upwarding key, down Arrow, acknowledgement key and return key.
Further, described charger also comprises on & off switch, and described on & off switch is connected with described MCU, is used to open or close the power supply of charger.
Further, described charger also comprises Voltage stabilizing module and feedback adjusting module; The input of described Voltage stabilizing module is connected with described voltage reduction module, and its output is connected with described charging inlet, for the voltage after step-down is carried out voltage stabilizing; The input of described feedback adjusting module is connected with the output of described Voltage stabilizing module, and its output is connected with the input of described voltage reduction module, for regulating the output valve of Voltage stabilizing module in constant amplitude.
The present invention compared with prior art, beneficial effect is: the MCU of described charger controls exhaust motor and the first air-breathing motor, charge, exhaust body can be carried out by sealed air-space, and the digital command packet sending calibration by communication interface by MCU completes automatic calibration to lineman's detector in charging process, decrease the intervention of personnel in a calibration process, reduce lineman's detector maintenance difficulties, also improve the accuracy of calibration simultaneously, stop generation lack of standardization in personnel's calibration process, to leak the situations such as calibration.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the charger of lineman's detector of the present invention;
Fig. 2 is the overall structure schematic diagram of the charger of lineman's detector of the present invention;
Fig. 3 is the internal structure schematic diagram in Fig. 2;
Fig. 4 is the pipeline schematic top plan view in Fig. 2.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the charger of lineman's detector of the present invention is when charging and to the periodic calibration time, MCU106 opens or closes exhaust motor 107, first air-breathing motor 108 and the second air-breathing motor 109 respectively by the program of built-in setting, respectively pure outdoor air or calibrating gas are filled with in sealed air-space 201 at times, the digital signal of MCU106 transmission simultaneously makes it complete 0 calibration, the calibration of SPAN point respectively to lineman's detector 10.
As shown in Figure 1 to Figure 3, a charger for lineman's detector, comprises rectification module 101, voltage reduction module 102, charging inlet 104, MCU106, exhaust motor 107, air-breathing motor unit (not indicating in the drawings), sealed air-space 201 and communication interface 110.Rectification module 101 is connected with voltage reduction module 102, for alternating current 220V/50HZ single-phase alternating current is exported to voltage reduction module 102 after being converted into direct current, voltage reduction module 102 is connected with charging inlet 104, the direct current of input is carried out step-down and outputs to charging inlet 104.MCU106 is connected with charging inlet 104 with communication interface 110 respectively, for detecting the alignment time whether charging inlet 104 has charging and whether arrive setting, in the charge state and the alignment time then by communication interface 110, calibration command is sent to lineman's detector, calibration command comprises calibration parameter and exhaust, inflation instruction.Exhaust motor 107 is fixedly connected on sealed air-space 201, and is electrically connected with MCU106, for being discharged by the gas in sealed air-space 201 when calibrating.Concrete, exhaust motor 107 forms path by the room air outside exhaust outlet and charger, the gas in sealed air-space 201 can be discharged to the outside in air when opening exhaust motor 107.Air-breathing motor unit is fixedly connected on sealed air-space 201, and is electrically connected with MCU106, for being drawn in sealed air-space 201 by gas after the calibration command receiving MCU106.Sealed air-space 201 is connected with the air inlet of detector, makes the gas stored in sealed air-space 201 flow to the air inlet of detector, can detect the gas in sealed air-space 201 when calibrating.Communication interface 110 is connected with lineman's detector 10, for the calibration parameter received from MCU106 is sent to lineman's detector 10.
Whether MCU106 monitoring has lineman's detector to charge, and starts if monitor charging, controls charging inlet 104 carry out quick mode charging at charging initial stage MCU106, controls charging inlet 104 carry out the charging of tiny stream current-mode at charging MCU106 in latter stage.
Air-breathing motor unit comprises the first air-breathing motor 108 and/or the second air-breathing motor 109, first air-breathing motor 108 is fixedly connected on sealed air-space 201, and be electrically connected with MCU106, for after the instruction receiving MCU106 by air intake in sealed air-space 201.Concrete, the first air-breathing motor 108 forms path by the room air outside air inlet and charger, can suck extraneous air when opening the first air-breathing motor 108.Second air-breathing motor 109 is fixedly connected on sealed air-space 201, and is electrically connected with MCU106, for being filled with in sealed air-space 201 by calibrating gas after the calibration command receiving MCU106.
As shown in Figure 4, charger can also comprise electromagnetically operated valve 204, tracheae 203 and gas cylinder 202.Gas cylinder 202 is connected with the second air-breathing motor 109 by tracheae 203, electromagnetically operated valve 204.Preferably, tracheae 203 selects flexible pipe.Gas cylinder 202, for storing the calibrating gas of calibration, needs the gas of a certain normal concentration used, as 50%LEL (Lower Explosion Limited, LEL) methane, hydrogen etc. when calibrating gas is calibration.Calibrating gas also can be the toxic gas of various concentration, as carbon monoxide, hydrogen sulfide etc.50%LEL methane device after overcompression in gas cylinder 202, according to the size of sealed air-space 201, was filled the calibrating gas calibrated for 20 times of having an appointment in gas cylinder 202 by the present invention, for user about 10 years.The aeration quantity of gas cylinder 202 has considered the life problems of environmental protection and charger.
Preferably, first, second air-breathing motor 108,109 is laid in the lower left side of sealed air-space 201, and exhaust motor 107 is laid in the upper right side of sealed air-space 201, can be conducive to entering and discharge of gas like this.
As shown in Figure 2, charger can also comprise shell 11, considers portable and problem that is cost, and shell 11 generally adopts plastics to make.The charging cavity of detector, the cavity of gas cylinder 202, the cavity etc. of sealed air-space 201 is provided with in shell 11.
Charger also comprises clock module 111, LCD display module 112.Clock module 111 is connected with MCU106, and LCD display module 112 is connected with MCU106, clock module 111 respectively.Clock module 111 is used for, for charger provides local zone time and date, being read, then shown by LCD display module 112 by MCU106 to time and date.Clock module 111 is independently-powered, still retention time record after charger shutdown.LCD display module 112 for show the operating state (as charged) of charger, charger local zone time, calibrate number of times, the last alignment time and date etc.
When charging inlet 104 starts to charge to lineman's detector, MCU106 built-in timer starts timing, after 5 minutes, first MCU106 reads the time and date of clock module 111, then send digital command packet to charged lineman's detector by communication interface 110, this packet comprises the composition such as local zone time and date, alignment time order, error correction packets of charger.After lineman's detector receives the digital command packet from charger, be synchronously the time and date of charger the time and date of lineman's detector.
Charger also comprises function key 114 and on & off switch 113, and function key 114 is connected with MCU106, and for adjusting alignment time of charger, date, time, on & off switch 113 is connected with MCU106, is used to open or close the power supply of charger.Particularly, function key 114 can comprise and arranges key 1141, upwarding key 1142, down Arrow 1143, acknowledgement key 1144 and return key 1145.Arrange key 1141 to be used for setting and to enter and arrange menu, the options such as menu comprises periodic calibration setting, hand-operated forced calibration, time and date are arranged are set.Periodic calibration arranges the cycle being used for arranging regular automatic calibration, the default setting time is 180 days, and clicking upwarding key 1142 increases by one day, clicks down Arrow 1143 and reduces one day, preserve by acknowledgement key 1144 and new the cycle is set, as cancelled, return higher level's directory menu by return key 1145.Time and date arranges the local zone time and the date that are used for arranging charger, and default settings is the instant time and date of the clock module 111 that MCU106 reads.After entering menu, acquiescence revises the time, click upwarding key 1142 and increase by 1 year, click down Arrow 1143 and reduce 1 year, preserve amendment time value by acknowledgement key 1144 and be displaced to month amendment, click upwarding key 1142 and increase January, click down Arrow 1143 and reduce January, preserve amendment month value by acknowledgement key 1144 and be displaced to amendment number of days, according to the method for adjustment in time and month, by upwarding key 1142, down Arrow 1143, acknowledgement key 1144 adjusts number of days successively, hourage, the number of minutes and number of seconds, as cancelled, return higher level's directory menu by return key 1145.
Charger also comprises Voltage stabilizing module 103 and feedback adjusting module 105, and the input of Voltage stabilizing module 103 is connected with voltage reduction module 102, and its output is connected with charging inlet 104, for by the voltage voltage stabilizing after step-down to charging voltage 5V direct voltage.The input of feedback adjusting module 105 is connected with the output of Voltage stabilizing module 103, and its output is connected with the input of voltage reduction module 103, for regulating the output valve of Voltage stabilizing module 103 in constant amplitude.
The automatic calibration process of charger is as follows:
MCU106 detects that charging inlet 104 starts lineman's detector charging and the cycle time of the regular automatic calibration arranged arrives, MCU106 built-in timer starts timing, after 60 minutes, MCU106 controls to open the first air-breathing motor 108 simultaneously and be vented motor to close the first air-breathing motor 108 and exhaust motor 107 after 107,1 minute.Then send digital command packet to charged lineman's detector by communication interface 110, this packet comprises the compositions such as calibration 0 dot command, error correction packets.After lineman's detector receives the digital command packet from charger, carry out 0 calibration.When calibrating, charging, the air inlet of detector is connected with sealed air-space 201.
After 0 calibration completes, MCU106 built-in timer starts timing, and after 1 minute, MCU106 controls to open the second air-breathing motor 109 and be vented motor to close the second air-breathing motor 109 and exhaust motor 107 after 107,1 minute.Then send digital command packet to charged lineman's detector by communication interface 110, this packet comprises the compositions such as calibration SPAN dot command, error correction packets.After lineman's detector receives the digital command packet from charger, carry out the calibration of SPAN point.
After the calibration of SPAN point completes, MCU106 controls to open the first air-breathing motor 108 and be vented motor to close the first air-breathing motor 108 and exhaust motor 107 after 107,1 minute, is discharged by the calibration gas in sealed air-space 201.
When needs carry out hand-operated forced calibration, the time in regular automatic calibration cycle to be placed such as not need arrive, direct control function key 114 enters hand-operated forced calibration, after entering calibration steps, identical with the program of automatic calibration.
The charger of lineman's detector of the present invention can not need under human intervention, regular automatic calibration is carried out when charging, make that lineman's detector is more stable, safety, and can the calibration of complete twin detector time accuracy when charging, the aspect use of user.Carry out automatic calibration to detector, the personnel that can reduce in calibration process intervene, and reduce lineman's detector maintenance difficulties, also improve the accuracy of calibration simultaneously, have stopped generation lack of standardization in personnel's calibration process, to leak the situations such as calibration.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the charger of a lineman's detector, comprise rectification module, voltage reduction module and charging inlet, described rectification module is connected with described voltage reduction module, for being export to described voltage reduction module after direct current by AC conversion, described voltage reduction module is connected with described charging inlet, the direct current of input carried out step-down and outputs to charging inlet, it is characterized in that, described charger also comprises MCU, exhaust motor, air-breathing motor unit, sealed air-space and communication interface;
Described MCU is connected with charging inlet with described communication interface respectively, for detecting the alignment time whether charging inlet has charging and whether arrive setting, in the charge state and the alignment time then by described communication interface, calibration command is sent to described lineman's detector, described calibration command comprises calibration parameter and exhaust, inflation instruction;
Described exhaust motor is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being discharged by the gas in described sealed air-space when calibrating;
Described air-breathing motor unit is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being drawn into by gas in described sealed air-space after the calibration command receiving described MCU;
Described sealed air-space is connected with the air inlet of detector, makes the gas stored in described sealed air-space flow to the air inlet of detector;
Described communication interface is connected with lineman's detector, for the calibration parameter received from described MCU is sent to described lineman's detector.
2. the charger of lineman's detector according to claim 1, it is characterized in that, described air-breathing motor unit comprises the first air-breathing motor and/or the second air-breathing motor, described first air-breathing motor is fixedly connected on described sealed air-space, be electrically connected with described MCU, and by the contact air outside air inlet and charger, for after the calibration command receiving described MCU by air intake in described sealed air-space;
Described second air-breathing motor is fixedly connected on described sealed air-space, and is electrically connected with described MCU, for being filled with in described sealed air-space by calibrating gas after the calibration command receiving described MCU.
3. the charger of lineman's detector according to claim 2, it is characterized in that, described charger also comprises electromagnetically operated valve, tracheae and gas cylinder, and described gas cylinder is connect, for storing the calibrating gas for calibrating by described tracheae, electromagnetically operated valve and described second air-breathing motors.
4. the charger of lineman's detector according to claim 2, is characterized in that, first, second air-breathing motor described is laid in the lower left side of described sealed air-space, and described exhaust motor is laid in the upper right side of described sealed air-space.
5. the charger of lineman's detector according to claim 1 and 2, is characterized in that, described charger also comprises clock module, and described clock module is connected with described MCU.
6. the charger of lineman's detector according to claim 5, is characterized in that, described charger also comprises LCD display module, and described LCD display module is connected with described MCU, clock module respectively.
7. the charger of lineman's detector according to claim 1 and 2, is characterized in that, described charger also comprises function key, and described function key is connected with described MCU, for adjusting alignment time of charger, date, time.
8. the charger of lineman's detector according to claim 7, is characterized in that, described function key comprises and arranges key, upwarding key, down Arrow, acknowledgement key and return key.
9. the charger of lineman's detector according to claim 1 and 2, is characterized in that, described charger also comprises on & off switch, and described on & off switch is connected with described MCU, is used to open or close the power supply of charger.
10. the charger of lineman's detector according to claim 1 and 2, is characterized in that, described charger also comprises Voltage stabilizing module and feedback adjusting module; The input of described Voltage stabilizing module is connected with described voltage reduction module, and its output is connected with described charging inlet, for the voltage after step-down is carried out voltage stabilizing; The input of described feedback adjusting module is connected with the output of described Voltage stabilizing module, and its output is connected with the input of described voltage reduction module, for regulating the output valve of Voltage stabilizing module in constant amplitude.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377654.0A CN104901397B (en) | 2015-07-01 | 2015-07-01 | Charger of portable detector |
| PCT/CN2016/073237 WO2017000556A1 (en) | 2015-07-01 | 2016-02-03 | Charger of portable detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377654.0A CN104901397B (en) | 2015-07-01 | 2015-07-01 | Charger of portable detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104901397A true CN104901397A (en) | 2015-09-09 |
| CN104901397B CN104901397B (en) | 2017-02-01 |
Family
ID=54033880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510377654.0A Expired - Fee Related CN104901397B (en) | 2015-07-01 | 2015-07-01 | Charger of portable detector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104901397B (en) |
| WO (1) | WO2017000556A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000556A1 (en) * | 2015-07-01 | 2017-01-05 | 中航泰德(深圳)海洋工程有限公司 | Charger of portable detector |
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| CN2204750Y (en) * | 1993-11-17 | 1995-08-09 | 袁纯和 | Infrared detecting point aligner |
| CN1916599A (en) * | 2005-08-18 | 2007-02-21 | 北京均方理化科技研究所 | Apparatus for calibrating gas detector in site, and method of gas distribution |
| WO2011138631A1 (en) * | 2010-05-06 | 2011-11-10 | Eos Imaging | Radiographic imaging device and detector for a radiographic imaging device |
| CN203849252U (en) * | 2014-05-28 | 2014-09-24 | 中航泰德(深圳)海洋工程有限公司 | Portable gas detector applicable to petrochemical industry |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1244812C (en) * | 2002-04-10 | 2006-03-08 | 陈利平 | Portable combined intelligent gas detecting and alarming instrument and its detecting method |
| CN202374013U (en) * | 2011-12-23 | 2012-08-08 | 七台河市延海高新科技有限责任公司 | Charging debugging all-in-one machine for alarming mine lamps |
| JP5819256B2 (en) * | 2012-06-11 | 2015-11-18 | 理研計器株式会社 | Portable gas detector calibration device |
| CN103390917A (en) * | 2013-07-14 | 2013-11-13 | 鸥瑞智诺能源科技(北京)有限公司 | Built-in charging management type battery pack |
| CN104901397B (en) * | 2015-07-01 | 2017-02-01 | 中航泰德(深圳)海洋工程有限公司 | Charger of portable detector |
-
2015
- 2015-07-01 CN CN201510377654.0A patent/CN104901397B/en not_active Expired - Fee Related
-
2016
- 2016-02-03 WO PCT/CN2016/073237 patent/WO2017000556A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204750Y (en) * | 1993-11-17 | 1995-08-09 | 袁纯和 | Infrared detecting point aligner |
| CN1916599A (en) * | 2005-08-18 | 2007-02-21 | 北京均方理化科技研究所 | Apparatus for calibrating gas detector in site, and method of gas distribution |
| WO2011138631A1 (en) * | 2010-05-06 | 2011-11-10 | Eos Imaging | Radiographic imaging device and detector for a radiographic imaging device |
| CN203849252U (en) * | 2014-05-28 | 2014-09-24 | 中航泰德(深圳)海洋工程有限公司 | Portable gas detector applicable to petrochemical industry |
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| 蔡永军等: "管道阀室监视预警系统开发与应用", 《油气储运》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000556A1 (en) * | 2015-07-01 | 2017-01-05 | 中航泰德(深圳)海洋工程有限公司 | Charger of portable detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104901397B (en) | 2017-02-01 |
| WO2017000556A1 (en) | 2017-01-05 |
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