CN201489652U - Flameproof handhold receiving device - Google Patents
Flameproof handhold receiving device Download PDFInfo
- Publication number
- CN201489652U CN201489652U CN2009201347076U CN200920134707U CN201489652U CN 201489652 U CN201489652 U CN 201489652U CN 2009201347076 U CN2009201347076 U CN 2009201347076U CN 200920134707 U CN200920134707 U CN 200920134707U CN 201489652 U CN201489652 U CN 201489652U
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- receiving trap
- power module
- housing
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Abstract
The utility model discloses a flameproof handhold receiving device which comprises a shell and a power module arranged in the shell and is characterized in that the shell is provided with a retaining clip which is convenient to carry; and the power module is an intrinsic safety power module and is provided with a double output current limitation and load short circuit protection circuit. By adopting the shell with a solid and liquid invasion prevention structure, the intrinsic safety power module, a wireless transmission technology and an automatic alarm technology, the utility model has accurate information receiving and data display and strong anti-interference capability, has favorable flameproof function, can be widely applied to various wireless monitor and gas monitor systems in environment containing explosive gas such as methane and the like and coal dust; a wireless communication technology is also adopted so as to receive information in high-speed motion in the premise of ensuring the functions to be more perfect, and therefore, the utility model is convenient to carry and use; and in addition, the utility model is also provided with a vibration motor used for alarm so as to warn a field operator that a located environment state can have safety hidden dangers at any time.
Description
Technical field
The utility model relates to Data Receiving, particularly relates to a kind of explosion-proof hand-held receiving trap.
Background technology
Existing wireless data receiving trap, scarcely be the equipment of essential safe type, and mainly be to be used for Data Receiving, can not be used for such as scene of the accident situation being judged at dangerous chemical leakage accident, and can only near dangerous matter sources, the data to associated transport receive, cause relevant operating personnel can not in time carry out defense work, to reduce the actual harm that dangerous matter sources causes.So-called essential safe type is meant the regulation of State Standard of the People's Republic of China GB3836.4-2000 " essential safe type of explosive gas atmosphere electrical installation ": the circuit of device interior is under the test condition of regulation, and electric spark that produces under the malfunction of operate as normal or regulation and thermal effect all can not be lighted the damp of regulation or the electrical equipment of steam.
Summary of the invention
Technical problem to be solved in the utility model is to remedy above-mentioned the deficiencies in the prior art, proposes a kind of explosion-proof hand-held receiving trap.
Technical matters of the present utility model is solved by the following technical solutions:
This explosion-proof hand-held receiving trap, the power module that comprises housing and be arranged on enclosure interior.
The characteristics of this explosion-proof hand-held receiving trap are:
Described housing is the housing that is provided with portable clip, has the structure that prevents that solid and liquid from invading.
Described power module is the intrinsically safe power supply module, is provided with dual output current restriction and load short circuits holding circuit.
Technical matters of the present utility model adopts following further technical scheme to be solved:
Described housing is explosion-proof light metal housing, can bear the 4J impulse test of national Specification, and prevents that the grade of solid and liquid intrusion is not less than the IP65 degree of protection of national Specification.
Described intrinsically safe power supply module is the part of described housing.Requirement by national Specification is tested, and its essential safety performance is good.
Described power module is the rechargeable battery power module that is provided with power switch button and external charging interface, described power switch button and external charging interface are arranged on described housing lower end, the occasion of external power supply is being arranged, and can make full use of external power supply is battery charge.
Described clip is the stainless steel clip, is arranged on described housing rear end.
Further again technical scheme below technical matters of the present utility model adopts is solved:
This explosion-proof hand-held receiving trap, also comprise the wireless data transfer module of the employing single-chip microcomputer that is arranged on enclosure interior, the data disaply moudle that has the LCDs that is arranged on surface of shell, the key-press module that has operation push-button and alarm output module, described wireless data transfer module comprises data processing module and has the Data Receiving and the transmitter module of wireless antenna, is connected with described data disaply moudle, power module, key-press module and alarm output module respectively.
Described enclosure interior is provided with vibrating motor, and described vibrating motor is connected with described alarm output module.
Described LCDs is arranged in the tongue of surface of shell band concave surface, and described tongue inside surface is provided with silica gel waterproof apron, transparent window and transparency window pressing plate, with effective minimizing vibrations, protection display screen.
Described wireless antenna is the 433MHz antenna, is arranged on described housing upper end.
Described operation push-button comprises function key, upturning key, downturning key, and its surface in contact is a stainless steel surfaces, is arranged on described housing front end.
The beneficial effect that the utility model is compared with the prior art is:
The utility model adopts has housing and the intrinsically safe power supply module that prevents solid and liquid intrusion structure, wireless transmission reception technique and automatic alarm technique, its message pick-up and data presentation are accurate, antijamming capability is strong, possesses good explosion-proof function, can be widely used in having damp, as various wireless monitors and gas monitoring system in the environment of methane etc. and coal dust, also adopt wireless communication technology under the more perfect prerequisite of assurance function, so that reception information in high-speed mobile, be easy to carry, easy to use, in addition, also being provided with reports to the police uses vibrating motor, to remind the site operation personnel that may there be potential safety hazard in present ambient condition at any time.
Description of drawings
Fig. 1 is the composition block scheme of the utility model embodiment;
Fig. 2 is the circuit diagram of the intrinsically safe power supply module of the utility model embodiment.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
A kind of as Fig. 1, being used for shown in 2 has explosive gas atmosphere to carry out the explosion-proof hand receiver of wireless monitor and gas monitor, comprise and have the HAC-LM series micropower wireless data transfer module that prevents that solid and liquid from invading the housing of structure and being arranged on enclosure interior, the data disaply moudle that has the LCDs that is arranged on surface of shell, essential safe type rechargeable battery power module, the key-press module and the alarm output module that have operation push-button, the micropower wireless data transfer module comprises Data Receiving and transmitter module and the data processing module that has the 433MHz wireless antenna, respectively with data disaply moudle, power module, key-press module and alarm output module connect.
Essential safe type is meant the circuit of device interior under the test condition of regulation, and electric spark that produces under the malfunction of operate as normal or regulation and thermal effect all can not be lighted the damp of regulation or the electrical equipment of steam.Meet State Standard of the People's Republic of China GB3836.4-2000, the environment temperature of electrical equipment running is-20 ℃～+ 40 ℃, and the explosive gas atmosphere temperature is-20 ℃～+ 60 ℃.
Housing is explosion-proof light metal housing, can bear the 4J impulse test of national Specification, and prevents that the grade of solid and liquid intrusion is not less than the IP65 degree of protection of national Specification.
Essential safe type rechargeable battery power module as shown in Figure 2 is the part of housing, is provided with dual output current restriction and load short circuits holding circuit.Requirement by national Specification is tested, and its essential safety performance is good.
Dual output current restricting circuits comprises switching tube Q41, Q44 and detection resistance R 41, and switching tube Q42, Q47 and detection resistance R 42.
Dual load short circuits holding circuit comprises switching tube Q43, Q45, resistance R 43, R44, R45 and anti-interference capacitor C41, and switching tube Q47, Q48, resistance R 47, R48, R49 and anti-interference capacitor C42.
Detect the current value in resistance R 41 testing circuits, the emitter of switching tube Q44, base stage are connected with an end that detects resistance R 41 respectively simultaneously.Load just often, electric current is detecting magnitude of voltage that resistance R 41 two ends the produce forward voltage less than switching tube Q44 in the loop, switching tube Q44 ends, switching tube Q41 conducting, battery anode V+ is to the load normal power supply that connects VCC; Simultaneously, detect the current value in resistance R 42 testing circuits, the emitter of switching tube Q47, base stage are connected with an end that detects resistance R 42 respectively simultaneously.Load just often, electric current is detecting magnitude of voltage that resistance R 42 two ends the produce forward voltage less than switching tube Q47 in the loop, switching tube Q47 ends, switching tube Q42 conducting, battery anode V+ is to the load normal power supply that connects VCC.More than dual output current restricting circuits if one of them be operate as normal, just can guarantee that the output current limitation function did not lose efficacy.
Cause electric current to increase in case load is broken down, the magnitude of voltage that detects resistance R 41 two ends raises, when its magnitude of voltage during greater than the forward voltage of switching tube Q44, and switching tube Q44
Enter magnifying state, adjust the voltage of switching tube Q41 control end automatically, output current is limited in the fixed range, reach the effect of restriction output current and load short circuits protection.When load current continue to increase or load when serious short circuit occurring, the complete conducting of switching tube Q43 causes switching tube Q41 to end, and cuts off the battery path that powers to the load, and anti-interference capacitor C41 can avoid the holding circuit misoperation; Simultaneously; the magnitude of voltage that detects resistance R 42 two ends raises; when its magnitude of voltage during greater than the forward voltage of switching tube Q47; switching tube Q47 enters magnifying state; automatically adjust the voltage of switching tube Q42 control end; output current is limited in the fixed range, reaches the effect of restriction output current and load short circuits protection.When load current continue to increase or load when serious short circuit occurring, the complete conducting of switching tube Q43 causes switching tube Q41 to end, and cuts off the battery path that powers to the load, and anti-interference capacitor C41 can avoid the holding circuit misoperation.More than dual load short circuits holding circuit if one of them be operate as normal, just can guarantee that load short circuit protection function did not lose efficacy.
Enclosure interior is provided with the warning vibrating motor that is connected with alarm output module.
The housing upper end is provided with wireless antenna, and the housing lower end is provided with power switch button and external charging interface, and the occasion of external power supply is being arranged, and can make full use of external power supply is battery charge.
The housing rear end is provided with the portable clip of being made by stainless steel, and the housing front end is provided with the operation push-button that comprises function key, upturning key, downturning key, and the surface in contact of button is a stainless steel surfaces.
The tongue of surface of shell band concave surface, LCDs is arranged in the tongue, is provided with silica gel waterproof apron, transparent window and transparency window pressing plate at the tongue inside surface, with effective minimizing vibrations, protection display screen.
The course of work of this embodiment is as follows:
Wirelessly transmitting data enters the HAC-LM series micropower wireless data transfer module that adopts the UART serial ports by the 433MHz antenna, by its Data Receiving and transmitter module with the data transmission that collects to data processing module, after carrying out data analysis and handle by data processing module again with related data transmission to data disaply moudle, comprise the display screen demonstration related data that is delivered to the LCD module by LCD module card extender with digital format.In case load is broken down; the output current limitation function and the load short circuit protection function of essential safe type rechargeable battery power module can be tackled; data processing module can be provided with requirement according to related data; control is in time reported to the police and is shaken operation with vibrating motor, to remind the site operation personnel that may there be potential safety hazard in present ambient condition at any time.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, make some being equal under the prerequisite of the utility model design and substitute or obvious modification not breaking away from, and performance or purposes are identical, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. explosion-proof hand-held receiving trap, the power module that comprises housing and be arranged on enclosure interior is characterized in that:
Described housing is the housing that is provided with portable clip;
Described power module is the intrinsically safe power supply module, is provided with dual output current restriction and load short circuits holding circuit.
2. explosion-proof hand-held receiving trap as claimed in claim 1 is characterized in that:
Described housing is explosion-proof light metal housing.
3. explosion-proof hand-held receiving trap as claimed in claim 1 or 2 is characterized in that:
Described power module is the part of housing.
4. explosion-proof hand-held receiving trap as claimed in claim 3 is characterized in that:
Described power module is the rechargeable battery power module that is provided with power switch button and external charging interface, and described power switch button and external charging interface are arranged on described housing lower end.
5. explosion-proof hand-held receiving trap as claimed in claim 4 is characterized in that:
Described clip is the stainless steel clip, is arranged on described housing rear end.
6. explosion-proof hand-held receiving trap as claimed in claim 5 is characterized in that:
Also comprise the wireless data transfer module of the employing single-chip microcomputer that is arranged on enclosure interior, the data disaply moudle that has the LCDs that is arranged on surface of shell, the key-press module that has operation push-button and alarm output module, described wireless data transfer module comprises data processing module and has the Data Receiving and the transmitter module of wireless antenna, is connected with described data disaply moudle, power module, key-press module and alarm output module respectively.
7. explosion-proof hand-held receiving trap as claimed in claim 6 is characterized in that:
Described enclosure interior is provided with vibrating motor, and described vibrating motor is connected with described alarm output module.
8. explosion-proof hand-held receiving trap as claimed in claim 7 is characterized in that:
Described LCDs is arranged in the tongue of surface of shell band concave surface, and described tongue inside surface is provided with silica gel waterproof apron, transparent window and transparency window pressing plate.
9. explosion-proof hand-held receiving trap as claimed in claim 8 is characterized in that:
Described wireless antenna is the 433MHz antenna, is arranged on described housing upper end.
10. explosion-proof hand-held receiving trap as claimed in claim 9 is characterized in that:
Described operation push-button comprises function key, upturning key, downturning key, and its surface in contact is a stainless steel surfaces, is arranged on described housing front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201347076U CN201489652U (en) | 2009-08-11 | 2009-08-11 | Flameproof handhold receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201347076U CN201489652U (en) | 2009-08-11 | 2009-08-11 | Flameproof handhold receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489652U true CN201489652U (en) | 2010-05-26 |
Family
ID=42428522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201347076U Expired - Fee Related CN201489652U (en) | 2009-08-11 | 2009-08-11 | Flameproof handhold receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013029363A1 (en) * | 2011-09-01 | 2013-03-07 | 哈尔滨东方报警设备开发有限公司 | Industrial field real-time working condition radio alarm system |
| GB2555887B (en) * | 2016-07-20 | 2022-08-03 | Fisher Rosemount Systems Inc | Two-factor authentication for user interface devices in a process plant |
| US11605037B2 (en) | 2016-07-20 | 2023-03-14 | Fisher-Rosemount Systems, Inc. | Fleet management system for portable maintenance tools |
-
2009
- 2009-08-11 CN CN2009201347076U patent/CN201489652U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013029363A1 (en) * | 2011-09-01 | 2013-03-07 | 哈尔滨东方报警设备开发有限公司 | Industrial field real-time working condition radio alarm system |
| US9536418B2 (en) | 2011-09-01 | 2017-01-03 | Harbin East Alarm Equipment Development Co., Ltd. | Industrial field real-time working condition radio alarm system |
| GB2555887B (en) * | 2016-07-20 | 2022-08-03 | Fisher Rosemount Systems Inc | Two-factor authentication for user interface devices in a process plant |
| US11605037B2 (en) | 2016-07-20 | 2023-03-14 | Fisher-Rosemount Systems, Inc. | Fleet management system for portable maintenance tools |
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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 |
Owner name: SHENZHEN ANLIAN FIRE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN ANLIAN BOSHI TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000, Futian District Che Kung Temple Industrial Zone, Guangdong, Shenzhen crown industrial workshop three, on the third floor of the middle F District Patentee after: Shenzhen Secfire Technology Co., Ltd. Address before: 518004 Guangdong city of Shenzhen province Luohu District Liantang Weihai 124 first industrial zone Patentee before: Shenzhen Anlian Boshi Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130811 |