CN110045176A - Industrial equipment contact voltage monitoring device and system - Google Patents
Industrial equipment contact voltage monitoring device and system Download PDFInfo
- Publication number
- CN110045176A CN110045176A CN201910214172.1A CN201910214172A CN110045176A CN 110045176 A CN110045176 A CN 110045176A CN 201910214172 A CN201910214172 A CN 201910214172A CN 110045176 A CN110045176 A CN 110045176A
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- CN
- China
- Prior art keywords
- contact voltage
- industrial equipment
- monitoring device
- monitor
- equipment contact
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a kind of industrial equipment contact voltage monitoring device and systems, wherein device includes: contact voltage monitor, is fixed at the outside of industrial equipment；Earthing pole is inserted into position in ground, and is connect by plain conductor with contact voltage monitor；Contact voltage monitor includes: voltage measurement module, for detecting the contact voltage on industrial equipment surface；Alarm module exports warning note when being more than threshold value for the contact voltage on industrial equipment surface；Control module is separately connected with voltage measurement module and alarm module, is alarmed for controlling alarm module when judging that contact voltage is more than threshold value.The contact voltage that industrial equipment shell is grounded generation in short-term is monitored by the way that contact voltage monitor is arranged on the outside of industrial equipment, and it alarms when contact voltage is more than threshold value, staff can monitor the case where equipment metal shell or framework surface contact voltage at the first time, improve the safety coefficient in personnel's work progress.
Description
Technical field
The present invention relates to electric power monitoring technical fields, and in particular to a kind of industrial equipment contact voltage monitoring device and is
System.
Background technique
Substation or transmission line of electricity operation in inevitably due to it is apparatus insulated be damaged cause leak electricity short-circuit or
Lightning stroke occurs for person or switching overvoltage causes system to be shorted ground connection, and power transformation station equipment, overhead transmission line shaft tower or periphery industry are set
Standby (oil-gas pipeline, communication base station etc.) flows through shell or metal frame due to high current in a short time, and short-circuit process occurs
In, because shell or structure are bridged in same grounded screen, they can generate a higher potential difference between grounded screen, that is, connect
Electric shock pressure.Contact voltage causes the voltage on device housings surface to be lifted, when staff or the masses are not the case where knowing about situation
Under, when manpower contacts device housings by mistake, contact voltage will be all born between the hand and foot of people to which human electric shock's danger occur.
Have no the warp of special counter-measure, most of protective device carried by system or staff in response to this at present
Judgement is tested, when protective device failure or the fault of personnel's micro-judgment, staff's Danger Electric shock risk can inevitably occur.
Summary of the invention
The invention solves in the prior art can not accurate measurements industrial equipment contact voltage the problem of, thus provide one
Kind industrial equipment contact voltage monitoring device and system.
An aspect of of the present present invention provides a kind of industrial equipment contact voltage monitoring device, comprising: contact voltage monitoring
Device is fixed at the outside of industrial equipment；Earthing pole is inserted into position in ground, and passes through plain conductor and the contact voltage
Monitor connection；Wherein, the contact voltage monitor includes: voltage measurement module, for detecting the industrial equipment table
The contact voltage in face；Alarm module exports warning note when being more than threshold value for the contact voltage on the industrial equipment surface；
Control module is separately connected with the voltage measurement module and the alarm module, for judging that the contact voltage is super
The alarm module is controlled when crossing threshold value to alarm.
Optionally, the contact voltage monitor is fixed on the shell or metal frame of the industrial equipment.
Optionally, the contact voltage monitor by annular copper rounding be fixed at the industrial equipment shell or
On person's metal frame.
Optionally, the control module includes: logic judgment module, for judging whether the contact voltage is more than described
Threshold value.
Optionally, the contact voltage monitor further include: digital analog converter, for the contact of analog signal is electric
Pressure is converted to digital signal；Wireless transmitter is connect with the digital analog converter, described in being sent by wireless transmission method
Digital signal.
The another aspect of the embodiment of the present invention additionally provides a kind of industrial equipment contact voltage monitoring system, comprising: described
Industrial equipment contact voltage monitoring device, for monitoring industrial equipment contact voltage；Data sink is arranged in the work
Near industry equipment, for receiving the industrial equipment contact voltage data of the industrial equipment contact voltage monitoring device transmission；Afterwards
Platform monitoring device is connect with the data sink, is set for recording the industry that the data sink is sent
Standby contact voltage data.
Optionally, data sink includes: wireless receiver, with connecing for the industrial equipment contact voltage monitoring device
It touches voltage monitor to be wirelessly connected, the industrial equipment contact voltage data is received by wireless transmission method.
Optionally, the wireless receiver uses stainless steel metal full-closed structure.
Optionally, the top of the wireless receiver is provided with rain cover.
Optionally, backstage monitoring device includes: monitor display and central processing unit, the central processing by wired or
Person's wireless mode is connect with the data sink, is shown in receiving after the industrial equipment contact voltage is handled
On the monitor display.
According to embodiments of the present invention, it is monitored outside industrial equipment by the way that contact voltage monitor is arranged on the outside of industrial equipment
Shell is grounded the contact voltage of generation in short-term, and when contact voltage is more than threshold value, alarms, in this way, staff can be with the
One time monitored the case where equipment metal shell or framework surface contact voltage, improved the safety system in personnel's work progress
Number.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of industrial equipment contact voltage monitoring device of the present invention；
Fig. 2 is the schematic diagram of another industrial equipment contact voltage monitoring device of the present invention；
Fig. 3 is the schematic diagram that industrial equipment contact voltage of the present invention monitors system.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are used for description purposes only,
It is not understood to indicate or imply relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
The embodiment of the invention provides a kind of industrial equipment contact voltage monitoring devices, as shown in Figure 1, the device includes:
Contact voltage monitor 11 is fixed at the outside of industrial equipment 20；Earthing pole 12 is inserted into position in ground, and passes through metal
Conducting wire is connect with the contact voltage monitor 11.
Wherein, the contact voltage monitor 11 includes: voltage measurement module 111, for detecting the industrial equipment
The contact voltage on 20 surfaces；Alarm module 112 exports when being more than threshold value for the contact voltage on 20 surface of industrial equipment
Warning note；Control module 113 is separately connected, for judging with the voltage measurement module and the alarm module
The alarm module is controlled when stating contact voltage more than threshold value to alarm.
According to embodiments of the present invention, it is monitored outside industrial equipment by the way that contact voltage monitor is arranged on the outside of industrial equipment
Shell is grounded the contact voltage of generation in short-term, and when contact voltage is more than threshold value, alarms, in this way, staff can be with the
One time monitored the case where equipment metal shell or framework surface contact voltage, improved the safety system in personnel's work progress
Number.
As shown in Fig. 2, contact voltage monitor described in the embodiment of the present invention can be fixed at the industrial equipment
Shell or metal frame on.It is possible to further be fixed at the shell of the industrial equipment by annular copper rounding
Or on metal frame.For example, being fixed on framework apart from 1.8 meters of ground eminence.
A plain conductor is drawn in the contact voltage monitor bottom end of the embodiment of the present invention, and the plain conductor other end is one
Earthing pole (earthing pole can use metal bar), earthing pole (metal bar) can be inserted in ground at 1 meter of position ground height.
Control module described in the embodiment of the present invention can realize its function using corresponding hardware module, specifically
Ground, the control module include: logic judgment module, for judging whether the contact voltage is more than the threshold value.Wherein, threshold
Value is presented as reference voltage, and during being judged, the big of the two is judged by comparing reference voltage and contact voltage
Small, the specific structure of the module is the prior art, and the present invention repeats no more.
As an alternative embodiment, the embodiment of the present invention can will be monitored by way of wireless transmission
Contact voltage data, being transferred to backstage (specifically can be by wireless transmission to data sink, then by the device
Transmit enough backstage monitoring devices), specifically, in the present embodiment, the contact voltage monitor further include: digital analog converter is used
In the contact voltage of analog signal is converted to digital signal；Wireless transmitter connect with the digital analog converter, is used for
The digital signal is sent by wireless transmission method.Carried out data transmission by way of wireless transmission, it is possible to reduce conducting wire
Arrangement.Further, before digital analog converter carries out modulus signal conversion, the activation signal can also be depressured
Processing so that the contact voltage that analog-digital converter is converted into low voltage signal, facilitate analog-digital converter to its into
Row analog-to-digital conversion.
Alarm described in the embodiment of the present invention can be buzzer.
A kind of optional embodiment be include inside contact voltage monitor voltage measurement module, logic judgment module,
Digital analog converter, wireless transmission its, voltage indicator, buzzer etc..Industrial equipment insulation be damaged cause leak electricity short-circuit,
Or occur lightning stroke or switching overvoltage cause system be shorted ground connection when, contact voltage of the voltage measurement module to the industrial equipment
It measures, after contact voltage data switch to digital signal by analog signal by analog-digital converter, is sent out by wireless transmitter
Penetrate signal, at the same contact voltage monitor to the contact voltage data of measurement by logic judgment module carry out data whether be more than
The judgement of defined threshold, when there is contact voltage more than defined threshold, contact voltage monitor erecting bed can pass through buzzing
Device issues buzzing alarm, and nearby personnel notice that the industrial equipment contact voltage is dangerous for prompting.
It should be noted that industrial equipment contact voltage monitoring device described in the embodiment of the present invention can be high-volume
Installation settings, that is to say and distinguish installation settings corresponding industrial equipment contact voltage monitoring dress on each industrial equipment
It sets.Therefore, when in a region using with multiple industrial equipment contact voltage monitoring devices and the device is passed using wireless
When defeated mode sends signal, the problem of in order to avoid co-channel interference, using time division technique by monitoring device and data sink
Between communication it is separated using the time-division by the way of, accordingly, each contact voltage monitor has the independent address ID, adopts
Data or order are sent with the data frame with address code.Each contact voltage monitor is respectively and synchronously by contact voltage number
According to by wirelessly reaching data sink, backstage monitoring device is reached by data sink packing.
The embodiment of the invention also provides a kind of industrial equipment contact voltages to monitor system, as described in Figure 3, packet in the system
It includes:
Industrial equipment contact voltage monitoring device 100 described in the above embodiment of the present invention, for monitoring industrial equipment 20
Contact voltage；
Data sink 200 is arranged near the industrial equipment 20, for receiving the industrial equipment contact voltage
The industrial equipment contact voltage data that monitoring device 100 is sent；
Backstage monitoring device 300 is connect with the data sink 200, for recording the data sink 200
The industrial equipment contact voltage data sent.
Optionally, the data sink of the embodiment of the present invention includes: wireless receiver, contacts electricity with the industrial equipment
It presses the contact voltage monitor of monitoring device to be wirelessly connected, the industrial equipment contact voltage number is received by wireless transmission method
According to.
The data sink is a device being fixed near monitored target, to avoid sleet haze to dress
It sets inside to cause to corrode, data sink uses stainless steel metal full-closed structure, and installs rain cover additional on top, prevents rain
Water penetrates into；To avoid the public from contacting, data sink is installed at higher position.Antenna is stretched from data sink side
Out, for receiving the contact voltage signal issued by each industrial equipment contact voltage monitoring device.
Optionally, backstage monitoring device includes: monitor display and central processing unit, the central processing by wired or
Person's wireless mode is connect with the data sink, is shown in receiving after the industrial equipment contact voltage is handled
On the monitor display.
Specifically, backstage monitoring device includes the monitor display of industrial equipment contact voltage, central processing unit.Work as center
After processor receives remote signaling, through processing feedback on industrial equipment contact voltage monitor display, on observation interface figure
Display content includes designation number, geographical distribution and the contact of relative position situation, each monitored target of monitored target
Voltage show value, and (red dot is to require point more than limit value) is marked to the contact voltage beyond threshold value, convenient for monitoring people
Member quickly checks.
Backstage monitoring device described in the embodiment of the present invention should shift to an earlier date the designation number of typing monitored target, geographical distribution
And relative position situation.In this way, detect there is contact voltage in the case where, determine the position of corresponding industrial equipment in time
It sets and correlation distribution situation.
To sum up, the beneficial effect that can reach of the invention is:
The present invention can be achieved to all power equipments and periphery industrial equipment metal shell or framework surface contact voltage into
The monitoring device of row real-time monitoring issues buzzing alarm when there is contact voltage more than defined threshold, and staff is working
Before the case where can monitoring equipment metal shell or framework surface contact voltage at the first time, greatly improve personnel's construction
Safety coefficient in the process.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the application.
Claims (10)
1. a kind of industrial equipment contact voltage monitoring device characterized by comprising
Contact voltage monitor is fixed at the outside of industrial equipment；
Earthing pole is inserted into position in ground, and is connect by plain conductor with the contact voltage monitor；
Wherein, the contact voltage monitor includes:
Voltage measurement module, for detecting the contact voltage on the industrial equipment surface；
Alarm module exports warning note when being more than threshold value for the contact voltage on the industrial equipment surface；
Control module is separately connected with the voltage measurement module and the alarm module, for judging the contact electricity
Pressure controls the alarm module when being more than threshold value and alarms.
2. industrial equipment contact voltage monitoring device according to claim 1, which is characterized in that the contact voltage monitoring
Device is fixed on the shell or metal frame of the industrial equipment.
3. industrial equipment contact voltage monitoring device according to claim 2, which is characterized in that the contact voltage monitoring
Device is fixed on the shell or metal frame of the industrial equipment by annular copper rounding.
4. industrial equipment contact voltage monitoring device according to claim 1, which is characterized in that the control module packet
It includes:
Logic judgment module, for judging whether the contact voltage is more than the threshold value.
5. industrial equipment contact voltage monitoring device according to claim 1, which is characterized in that the contact voltage monitoring
Device further include:
Digital analog converter, for the contact voltage of analog signal to be converted to digital signal；
Wireless transmitter is connect with the digital analog converter, for sending the digital signal by wireless transmission method.
6. a kind of industrial equipment contact voltage monitors system characterized by comprising
Industrial equipment contact voltage monitoring device described in any one of claim 1 to 5, for monitoring industrial equipment contact electricity
Pressure；
Data sink is arranged near the industrial equipment, for receiving the industrial equipment contact voltage monitoring device
The industrial equipment contact voltage data of transmission；
Backstage monitoring device is connect with the data sink, for recording described in the data sink sends
Industrial equipment contact voltage data.
7. industrial equipment contact voltage according to claim 6 monitors system, which is characterized in that data sink packet
It includes:
Wireless receiver is wirelessly connected with the contact voltage monitor of the industrial equipment contact voltage monitoring device, passes through nothing
Line transmission mode receives the industrial equipment contact voltage data.
8. industrial equipment contact voltage according to claim 7 monitors system, which is characterized in that the wireless receiver is adopted
With stainless steel metal full-closed structure.
9. industrial equipment contact voltage according to claim 7 monitors system, which is characterized in that the wireless receiver
Top is provided with rain cover.
10. industrial equipment contact voltage according to claim 6 monitors system, which is characterized in that backstage monitoring device packet
Include: monitor display and central processing unit, the central processing pass through wired or wireless mode and the data sink
Connection, is shown on the monitor display to receiving after the industrial equipment contact voltage is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214172.1A CN110045176A (en) | 2019-03-20 | 2019-03-20 | Industrial equipment contact voltage monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214172.1A CN110045176A (en) | 2019-03-20 | 2019-03-20 | Industrial equipment contact voltage monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110045176A true CN110045176A (en) | 2019-07-23 |
Family
ID=67273858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910214172.1A Pending CN110045176A (en) | 2019-03-20 | 2019-03-20 | Industrial equipment contact voltage monitoring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110045176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225528A (en) * | 2021-04-16 | 2021-08-06 | 湖南省京湘电力开发有限公司 | Electric power construction safety management system based on electric power thing networking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901857A (en) * | 2012-10-12 | 2013-01-30 | 宁波市鄞州供电局 | Measuring method for step voltage and contact voltage |
| CN104891300A (en) * | 2015-06-29 | 2015-09-09 | 周志鸿 | Lift electric leakage detection device and system |
| CN105372481A (en) * | 2015-12-07 | 2016-03-02 | 国网浙江省电力公司绍兴供电公司 | Step voltage monitor |
| CN107037256A (en) * | 2017-03-31 | 2017-08-11 | 中广核核电运营有限公司 | Ground detection device |
| US10281503B2 (en) * | 2016-11-11 | 2019-05-07 | Fluke Corporation | Non-contact voltage measurement system using multiple capacitors |
-
2019
- 2019-03-20 CN CN201910214172.1A patent/CN110045176A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901857A (en) * | 2012-10-12 | 2013-01-30 | 宁波市鄞州供电局 | Measuring method for step voltage and contact voltage |
| CN104891300A (en) * | 2015-06-29 | 2015-09-09 | 周志鸿 | Lift electric leakage detection device and system |
| CN105372481A (en) * | 2015-12-07 | 2016-03-02 | 国网浙江省电力公司绍兴供电公司 | Step voltage monitor |
| US10281503B2 (en) * | 2016-11-11 | 2019-05-07 | Fluke Corporation | Non-contact voltage measurement system using multiple capacitors |
| CN107037256A (en) * | 2017-03-31 | 2017-08-11 | 中广核核电运营有限公司 | Ground detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225528A (en) * | 2021-04-16 | 2021-08-06 | 湖南省京湘电力开发有限公司 | Electric power construction safety management system based on electric power thing networking |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190723 |