CN109917189A - A kind of intelligent detecting instrument with explosion prevention function - Google Patents
A kind of intelligent detecting instrument with explosion prevention function Download PDFInfo
- Publication number
- CN109917189A CN109917189A CN201811642632.2A CN201811642632A CN109917189A CN 109917189 A CN109917189 A CN 109917189A CN 201811642632 A CN201811642632 A CN 201811642632A CN 109917189 A CN109917189 A CN 109917189A
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- Prior art keywords
- ground resistance
- circuit
- filtering
- explosion
- prevention function
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Abstract
The invention provides a kind of intelligent detecting instrument with explosion prevention function, including detection circuit board and shell, detection circuit board is installed on the interior of shell, it is characterised in that: the detection circuit board includes ground resistance sensor, measurement circuit, humiture collection device, master controller, sound light alarming circuit and wireless communication module；Measurement circuit and the ground resistance sensor of ground resistance is arranged in the invention, it can be achieved to the ground resistance real-time measurement in detection zone, furthermore setting explosion-resistant enclosure guarantees that the present invention can the stable operation in outdoor work environment, furthermore, pressure element, combined aural and visual alarm and Temperature Humidity Sensor, which is arranged, ensure that the discovery to failure in time, reduce maintenance cost.
Description
Technical field
The invention belongs to insulating resistance measuring field, more particularly, to a kind of intelligent measurement with explosion prevention function
Instrument.
Background technique
Ground resistance is exactly that electric current is greatly flowed to another grounding body again by earthing or grounding means inflow the earth or distally spread
The resistance encountered, it includes the contact resistance between the resistance, grounding body and the resistance of the earth of ground line and grounding body itself
And two the earth between grounding body resistance or grounding body to unlimited distance ground resistance.Ground resistance size directly represents
The good degree that electric device is contacted with " ground " also reflects the scale of grounded screen.In the items such as single-point grounding system, interference be strong
Under part, it can be measured using the measurement method of earth resistance tester.
Since in current operation field, earthing device of electrical equipment is more, and Regional Distribution is wide, and wants periodic detection, day is given
Chang Yunwei brings biggish workload, some electrical equipment locations are far away, road bumpiness, increases to daily maintenance work
Difficulty, thus need to provide can under badly responsible environment steady operation detector.
Summary of the invention
In view of this, the invention is directed to, one kind is structurally reasonable, and having for stable operation in any environment is anti-
The intelligent detecting instrument of quick-fried function.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of intelligent detecting instrument with explosion prevention function, including detection circuit board and shell, detection circuit board are installed on
The interior of shell, it is characterised in that: the detection circuit board includes ground resistance sensor, measurement circuit, humiture collection
Device, master controller, sound light alarming circuit and wireless communication module；The electric resistance sensor, measurement circuit, master controller are successively
Connection, the output end of humiture collection device is connected with controller, the output end of controller respectively with sound light alarming circuit and nothing
The connection of line communication module；
The shell includes ontology, Explosion-proof cap, ground resistance probe insertion, display module and sealing ring；The Explosion-proof cap
It is fixed with ontology screw, ground resistance probe insertion and display module are respectively arranged on the side of ontology, the sealing ring socket
On ground resistance probe insertion.
Further, the ground resistance sensor is three-phase type current-voltage transformer, is used to acquire ground resistance
Current and voltage signals.
Further, the measurement circuit includes overvoltage crowbar, the first filtering and amplifying circuit, pumping signal amplification filter
Wave circuit；The ground resistance sensor is electrically connected with overvoltage crowbar, and the first filtering and amplifying circuit is connect with master controller,
Master controller is connected with the input terminal of pumping signal filtering and amplifying circuit, and output end is connected with ground resistance sensor.
Further, the display module is instrument board or touching display screen, is connect with master controller.
Further, also pass through an intermediate treatment circuit connection pressure element, the pressure element on the master controller
It is fixed on the side of Explosion-proof cap.
Further, the intermediate treatment circuit include the second filtering and amplifying circuit and D/A converting circuit, described second
Filtering and amplifying circuit is electrically connected with pressure element, is used to amplify filtering to the signal that pressure element generates；Second amplification
Filter circuit is connected and D/A converting circuit, is used to carry out digital-to-analogue conversion to filtered signal, and by the signal after conversion
It exports to master controller.
Compared with the existing technology, a kind of intelligent detecting instrument with explosion prevention function described in the invention has following excellent
Gesture:
The measurement circuit of the invention setting ground resistance and ground resistance sensor are, it can be achieved that in detection zone
Ground resistance real-time measurement, furthermore be arranged explosion-resistant enclosure guarantee the present invention can the stable operation in outdoor work environment, in addition,
Pressure element, combined aural and visual alarm and Temperature Humidity Sensor, which is arranged, ensure that the discovery to failure in time, reduce maintenance cost.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is detection circuit board module diagram described in the invention embodiment；
Fig. 2 is shell mechanism schematic diagram described in the invention embodiment.
Fig. 3 is main panel schematic diagram described in the embodiment of the present invention
Description of symbols:
1- Explosion-proof cap；2- pressure element；3- sound light alarming circuit；4- ground resistance probe insertion；5- ontology；6- is shown
Screen.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
As shown in Figure 1,2 and 3, a kind of intelligent detecting instrument with explosion prevention function, including detection circuit board and shell, inspection
Slowdown monitoring circuit plate is installed on the interior of shell, it is characterised in that: the detection circuit board includes ground resistance sensor, measures back
Road, humiture collection device, master controller, sound light alarming circuit 3 and wireless communication module；The electric resistance sensor measures back
Road, master controller are sequentially connected, and the output end of humiture collection device is connected with controller, the output end of controller respectively with acousto-optic
Warning circuit 3 and wireless communication module connection；
Wherein, the shell includes ontology 5, Explosion-proof cap 1, ground resistance probe insertion 4, display module and sealing ring；Institute
It states Explosion-proof cap 1 to fix with 5 screw of ontology, ground resistance probe insertion 4 and display module are respectively arranged on the side of ontology 5, institute
Sealing ring is stated to be socketed on ground resistance probe insertion 4.
Wherein, the ground resistance sensor is three-phase type current-voltage transformer, is used to acquire the electricity of ground resistance
Flow voltage signal.
Wherein, the measurement circuit includes overvoltage crowbar, the first filtering and amplifying circuit, pumping signal amplification filtered electrical
Road；The ground resistance sensor is electrically connected with overvoltage crowbar, and the first filtering and amplifying circuit is connect with master controller, master control
Device processed is connected with the input terminal of pumping signal filtering and amplifying circuit, and output end is connected with ground resistance sensor.
Wherein, the display module is instrument board or touching display screen 6, is connect with master controller.
Wherein, also by an intermediate treatment circuit connection pressure element 2 on the master controller, the pressure element is fixed
In the side of Explosion-proof cap 1.
Wherein, the intermediate treatment circuit includes the second filtering and amplifying circuit and D/A converting circuit, second amplification
Filter circuit is electrically connected with pressure element, is used to amplify filtering to the signal that pressure element 2 generates；Second amplification filtering
Circuit is connected and D/A converting circuit, is used to carry out filtered signal digital-to-analogue conversion, and the signal after conversion is exported
To master controller.
The working principle of the invention:
Its working principle is that: measurement circuit conveys the signal that comes according to higher level's circuit, by the master controller to institute
Ground resistance sensor output drive signal is stated, a potential E is incuded on ground resistance bus bar circuit, in the work of this potential E
Under, ground resistance bus bar circuit generates electric current I, and the potential E on ground resistance bus bar circuit at this time is detected in the measurement circuit
With electric current I, potential E and electric current I are transferred to data processing mainboard and handled, according to R=E/I, obtained by the measurement circuit
Ground resistance resistance value R is obtained to described；In addition, pressure-sensitive original part is used to generate pressure signal when explosion-proof shell receives pressure, then
Pressure sensor signal is successively transferred on master controller by intermediate treatment circuit, when reaching predetermined value, then passes through acousto-optic
Warning circuit 3 issues warning, and the insulating washer on the jack of the ground resistance port is for preventing connection jaws from entering liquid or powder
Dirt, and Temperature Humidity Sensor further guarantees enclosure interior environment passes through master when enclosure interior temperature is excessively high or moist
Controller closes the power supply of the invention.
Claims (6)
1. a kind of intelligent detecting instrument with explosion prevention function, it is characterised in that: including detection circuit board and shell, detection circuit
Plate is installed on the interior of shell, it is characterised in that: the detection circuit board includes ground resistance sensor, measurement circuit, temperature
Humidity collector, master controller, sound light alarming circuit and wireless communication module；The electric resistance sensor, measurement circuit, master control
Device processed is sequentially connected, and the output end of humiture collection device is connected with controller, and the output end of controller is electric with sound-light alarm respectively
Road and wireless communication module connection；
The shell includes ontology, Explosion-proof cap, ground resistance probe insertion, display module and sealing ring；The Explosion-proof cap and sheet
Body screw is fixed, and ground resistance probe insertion and display module are respectively arranged on the side of ontology, and the sealing ring, which is socketed in, to be connect
On ground resistance probe insertion.
2. a kind of intelligent detecting instrument with explosion prevention function according to claim 1, it is characterised in that: the ground resistance
Sensor is three-phase type current-voltage transformer, is used to acquire the current and voltage signals of ground resistance.
3. a kind of intelligent detecting instrument with explosion prevention function according to claim 1, it is characterised in that: the measurement circuit
Including overvoltage crowbar, the first filtering and amplifying circuit, pumping signal filtering and amplifying circuit；The ground resistance sensor and mistake
Voltage protection circuit electrical connection, the first filtering and amplifying circuit are connect with master controller, and master controller and pumping signal amplify filtered electrical
The input terminal on road is connected, and output end is connected with ground resistance sensor.
4. a kind of intelligent detecting instrument with explosion prevention function according to claim 1, it is characterised in that: the display module
For instrument board or touching display screen, it is connect with master controller.
5. a kind of intelligent detecting instrument with explosion prevention function according to claim, it is characterised in that: the master controller
On also by an intermediate treatment circuit connection pressure element, the pressure element is fixed on the side of Explosion-proof cap.
6. a kind of intelligent detecting instrument with explosion prevention function according to claim 5, it is characterised in that: the intermediate treatment
Circuit includes the second filtering and amplifying circuit and D/A converting circuit, and second filtering and amplifying circuit is electrically connected with pressure element,
It is used to amplify filtering to the signal that pressure element generates；Second filtering and amplifying circuit is connected and D/A converting circuit,
For carrying out digital-to-analogue conversion to filtered signal, and the signal after conversion is exported to master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642632.2A CN109917189A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent detecting instrument with explosion prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642632.2A CN109917189A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent detecting instrument with explosion prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109917189A true CN109917189A (en) | 2019-06-21 |
Family
ID=66960085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811642632.2A Pending CN109917189A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent detecting instrument with explosion prevention function |
Country Status (1)
| Country | Link |
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| CN (1) | CN109917189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917190A (en) * | 2018-12-29 | 2019-06-21 | 天津高德朗益科技有限公司 | A kind of intelligent monitor system based on insulating resistance measuring |
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| CN86108606A (en) * | 1986-12-22 | 1988-07-06 | 浙江大学 | Novel pressure vessel safety monitoring and protecting device |
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| CN203849332U (en) * | 2014-05-15 | 2014-09-24 | 成都东方瀚易科技发展有限公司 | Multifunctional thunder monitor |
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| CN206671841U (en) * | 2017-04-24 | 2017-11-24 | 冯华涛 | A kind of contactless explosion-proof control instrument |
| CN207969208U (en) * | 2018-01-23 | 2018-10-12 | 河南省浩诺电气设备有限公司 | A kind of electric apparatus for explosive atmospheres |
| CN208172103U (en) * | 2018-05-28 | 2018-11-30 | 西安朗信电子技术有限公司 | A kind of ground resistance measuring instrument |
| CN209878884U (en) * | 2018-12-29 | 2019-12-31 | 天津高德朗益科技有限公司 | Intelligent detector with explosion-proof function |
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2018
- 2018-12-29 CN CN201811642632.2A patent/CN109917189A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108606A (en) * | 1986-12-22 | 1988-07-06 | 浙江大学 | Novel pressure vessel safety monitoring and protecting device |
| CN103399504A (en) * | 2013-08-14 | 2013-11-20 | 南车株洲电力机车研究所有限公司 | Motor controlling system |
| CN203758680U (en) * | 2013-12-30 | 2014-08-06 | 成都英菲信信息技术有限公司 | Wireless pressure recorder |
| CN203849332U (en) * | 2014-05-15 | 2014-09-24 | 成都东方瀚易科技发展有限公司 | Multifunctional thunder monitor |
| CN105092981A (en) * | 2014-05-15 | 2015-11-25 | 常州帕斯菲克自动化技术股份有限公司 | Grounding resistor on-line monitor |
| CN204731317U (en) * | 2015-06-12 | 2015-10-28 | 上海臻和防雷电气技术有限责任公司 | A kind of intelligentized earth resistance tester |
| CN106841814A (en) * | 2017-01-26 | 2017-06-13 | 江苏德大自动化设备有限公司 | Earthed system earth resistance on-line monitoring system, on-line detector and monitoring method |
| CN206671841U (en) * | 2017-04-24 | 2017-11-24 | 冯华涛 | A kind of contactless explosion-proof control instrument |
| CN207969208U (en) * | 2018-01-23 | 2018-10-12 | 河南省浩诺电气设备有限公司 | A kind of electric apparatus for explosive atmospheres |
| CN208172103U (en) * | 2018-05-28 | 2018-11-30 | 西安朗信电子技术有限公司 | A kind of ground resistance measuring instrument |
| CN209878884U (en) * | 2018-12-29 | 2019-12-31 | 天津高德朗益科技有限公司 | Intelligent detector with explosion-proof function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917190A (en) * | 2018-12-29 | 2019-06-21 | 天津高德朗益科技有限公司 | A kind of intelligent monitor system based on insulating resistance measuring |
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