CN208384091U - A kind of remote monitoring device for variable-frequency power sources - Google Patents
A kind of remote monitoring device for variable-frequency power sources Download PDFInfo
- Publication number
- CN208384091U CN208384091U CN201821064654.0U CN201821064654U CN208384091U CN 208384091 U CN208384091 U CN 208384091U CN 201821064654 U CN201821064654 U CN 201821064654U CN 208384091 U CN208384091 U CN 208384091U
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- CN
- China
- Prior art keywords
- variable
- monitoring device
- frequency power
- power sources
- patch panel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to variable-frequency power sources monitoring technical fields, especially a kind of remote monitoring device for variable-frequency power sources, including variable-frequency power sources case, the side of variable-frequency power sources case is equipped with external cable, variable-frequency power sources case is electrically connected with insulation monitoring device by cable, the inside of insulation monitoring device is equipped with patch panel, patch panel is equipped with detector, detector is fixedly connected in patch panel, detector is electrically connected with electric resistance sensor by conducting wire, electric resistance sensor output end is electrically connected with control panel by conducting wire, the output end of control panel is electrically connected with signal projector, patch panel is circumscribed with power supply line, patch panel is equipped with reaction resistance, the output end of reaction resistance is electrically connected with alarm contact by conducting wire, the connecting wire of alarm contact is equipped with current detection means, insulation monitoring device passes through channel radio Letter is connected with remote computer.The utility model it is practical, be worthy to be popularized.
Description
Technical field
The utility model relates to variable-frequency power sources monitoring technical field more particularly to a kind of long-range monitorings for variable-frequency power sources
Device.
Background technique
Currently, variable-frequency power sources is widely used, frequency converter is equipped in variable-frequency power sources, because frequency converter has part protection
Function, such as over-voltage, overcurrent, phase shortage, overload etc., but frequency converter will appear leaky in some emergency switchboards, may
Equipment or personal injury are caused, in a power distribution system, good ground connection can reduce contact voltage, prevent shock hazard, but people
Ground connection protection setting is not good at caused by electrical hazard but recognize deficiency, in fact, the perfect protective grounding of electrical equipment is set
Shock hazard can not only be reduced by applying, also extremely important to the protection person and equipment safety, and protective grounding has become distribution wire
Important component part in road, currently, cannot timely feed back variable-frequency power sources to the insulation monitoring device of variable-frequency power sources in the market
Circuit conditions, in addition, being all artificial carry out phenomenon detection to the Insulation monitoring of variable-frequency power sources, which increases the amounts of labour.
Utility model content
Purpose of the utility model is to solve the circuit that cannot timely feed back variable-frequency power sources exists in the prior art
The shortcomings that situation, and a kind of remote monitoring device for variable-frequency power sources proposed.
To achieve the goals above, the utility model adopts the technical scheme that
Design a kind of remote monitoring device for variable-frequency power sources, including variable-frequency power sources case, the one of the variable-frequency power sources case
Side is equipped with external cable, and the external cable is fixedly connected with variable-frequency power sources case, and the variable-frequency power sources case is electrically connected by cable
It is connected to insulation monitoring device, the inside of the insulation monitoring device is equipped with patch panel, and the patch panel is fixedly connected on absolutely
In edge monitoring device, the patch panel is equipped with detector, and the detector is fixedly connected in patch panel, the detection
Head is electrically connected with electric resistance sensor by conducting wire, and the electric resistance sensor is fixedly connected in patch panel, and the resistance passes
Sensor output end is electrically connected with control panel by conducting wire, and the control panel is fixedly connected in patch panel, the control
Panel processed include out processor, with processor be electrically connected resistance detection module, signal transmitting module, signal receiving module and
Signal processing module, the output end of the control panel are electrically connected with signal projector, and the signal projector is fixedly connected
In patch panel, the patch panel is circumscribed with power supply line, and the patch panel is equipped with reaction resistance, the reaction resistance
It is fixedly connected in patch panel, the reaction resistance is fixedly connected with power supply line, and the output end of the reaction resistance is by leading
Line is electrically connected with alarm contact, and the alarm contact is fixedly connected in patch panel, the connecting wire of the alarm contact
It is equipped with current detection means, the current detection means is fixedly connected in patch panel, and the insulation monitoring device passes through
Wireless communication is connected with remote computer.
Preferably, the power supply line is three-phase power line.
Preferably, the insulation monitoring device is equipped with alarm device.
Preferably, the insulation monitoring device is equipped with display screen.
Preferably, the resistance value of the reaction resistance is between 1 kilohm to 10 megohms.
The utility model proposes a kind of remote monitoring device for variable-frequency power sources, beneficial effect is: this is practical new
The insulation monitoring device of type designs, and its role is to when the insulation resistance of the power-supply system of variable-frequency power sources case is lower than reaction resistance
When, electric resistance sensor can transmit a signal to control panel, and then control panel can control alarm contact closure, to issue police
Report, while remote computer is sent signal to, first time feed circuit fault message, again when line fault is repaired
It disconnects, will sound all clear.The benefit of the utility model can timely feedback fault, practical.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of remote monitoring device for variable-frequency power sources structural schematic diagram；
Fig. 2 be the utility model proposes a kind of remote monitoring device for variable-frequency power sources insulation monitoring device electricity
Road connection schematic diagram；
Fig. 3 be the utility model proposes a kind of remote monitoring device for variable-frequency power sources system block diagram.
In figure: variable-frequency power sources case 1, external cable 2, insulation monitoring device 3, remote computer 4, patch panel 31, detection
First 33, electric resistance sensor 34, control panel 35, signal projector 36, reaction resistance 311, power supply line 312, current detection means
313, alarm contact 314.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of remote monitoring device for variable-frequency power sources, including variable-frequency power sources case 1, variable-frequency power sources case 1
Side be equipped with external cable 2, external cable 2 is fixedly connected with variable-frequency power sources case 1, and variable-frequency power sources case 1 passes through cable and electrically connects
It is connected to insulation monitoring device 3, the inside of insulation monitoring device 3 is equipped with patch panel 31, and patch panel 31 is fixedly connected on insulation
In monitoring device 3, patch panel 31 is equipped with detector 33, and detector 33 is fixedly connected in patch panel 31, detector 33
It is electrically connected with electric resistance sensor 34 by conducting wire, electric resistance sensor 34 is fixedly connected in patch panel 31, electric resistance sensor
34 output ends are electrically connected with control panel 35 by conducting wire, and control panel 35 is fixedly connected in patch panel 31, control plane
Plate 35 includes resistance detection module, signal transmitting module, signal receiving module and the letter for processor, being electrically connected with processor
Number processing module.
The output end of control panel 35 is electrically connected with signal projector 36, and signal projector 36 is fixedly connected on wiring face
On plate 31, patch panel 31 is circumscribed with power supply line 312, and power supply line 312 is three-phase power line, and patch panel 31 is equipped with reaction electricity
Resistance 311, for the resistance value of reaction resistance 311 between 1 kilohm to 10 megohms, reaction resistance 311 is fixedly connected on wiring
On panel 31, reaction resistance 311 is fixedly connected with power supply line 312, and the output end of reaction resistance 311 is electrically connected with by conducting wire
Alarm contact 314, alarm contact 314 are fixedly connected in patch panel 31, and the connecting wire of alarm contact 314 is equipped with electric current
Detection device 313, current detection means 313 are fixedly connected in patch panel 31, and insulation monitoring device 3 is equipped with corresponding alert
Reporting device, insulation monitoring device 3 are equipped with display screen, and insulation monitoring device 3 is connected with remote computer 4 by wireless communication.
Working principle: when the insulation resistance of the power-supply system of variable-frequency power sources case 1 is lower than reaction resistance 311, resistance sensing
Device 34 can transmit a signal to control panel, and then control panel can control the closure of alarm contact 314, to sound an alarm, simultaneously
Remote computer 4 is sent signal to, first time feed circuit fault message is again off when line fault is repaired,
It will sound all clear.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of remote monitoring device for variable-frequency power sources, including variable-frequency power sources case (1), the one of the variable-frequency power sources case (1)
Side is equipped with external cable (2), and the external cable (2) is fixedly connected with variable-frequency power sources case (1), which is characterized in that the frequency conversion
Power supply box (1) is electrically connected with insulation monitoring device (3) by cable, and the inside of the insulation monitoring device (3) is equipped with wiring
Panel (31), the patch panel (31) are fixedly connected in insulation monitoring device (3), and the patch panel (31) is equipped with inspection
Gauge head (33), the detector (33) are fixedly connected on patch panel (31), and the detector (33) is electrically connected by conducting wire
It is connected to electric resistance sensor (34), the electric resistance sensor (34) is fixedly connected on patch panel (31), the electric resistance sensor
(34) output end is electrically connected with control panel (35) by conducting wire, and the control panel (35) is fixedly connected on patch panel
(31) on, the control panel (35) includes that processor, the resistance detection module being electrically connected with processor, signal send mould out
The output end of block, signal receiving module and signal processing module, the control panel (35) is electrically connected with signal projector
(36), the signal projector (36) is fixedly connected on patch panel (31), and the patch panel (31) is circumscribed with power supply line
(312), the patch panel (31) is equipped with reaction resistance (311), and the reaction resistance (311) is fixedly connected on patch panel
(31) on, the reaction resistance (311) is fixedly connected with power supply line (312), and the output end of the reaction resistance (311) is by leading
Line is electrically connected with alarm contact (314), and the alarm contact (314) is fixedly connected on patch panel (31), the alarm
The connecting wire for switching (314) is equipped with current detection means (313), and the current detection means (313), which is fixedly connected on, to be connect
On line panel (31), the insulation monitoring device (3) is connected with remote computer (4) by wireless communication.
2. a kind of remote monitoring device for variable-frequency power sources according to claim 1, which is characterized in that the power supply line
It (312) is three-phase power line.
3. a kind of remote monitoring device for variable-frequency power sources according to claim 1, which is characterized in that the insulation prison
It surveys device (3) and is equipped with alarm device.
4. a kind of remote monitoring device for variable-frequency power sources according to claim 1, which is characterized in that the insulation prison
It surveys device (3) and is equipped with display screen.
5. a kind of remote monitoring device for variable-frequency power sources according to claim 1, which is characterized in that the reaction electricity
The resistance value of (311) is hindered between 1 kilohm to 10 megohms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064654.0U CN208384091U (en) | 2018-07-06 | 2018-07-06 | A kind of remote monitoring device for variable-frequency power sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064654.0U CN208384091U (en) | 2018-07-06 | 2018-07-06 | A kind of remote monitoring device for variable-frequency power sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384091U true CN208384091U (en) | 2019-01-15 |
Family
ID=64963039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821064654.0U Expired - Fee Related CN208384091U (en) | 2018-07-06 | 2018-07-06 | A kind of remote monitoring device for variable-frequency power sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384091U (en) |
-
2018
- 2018-07-06 CN CN201821064654.0U patent/CN208384091U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210706 |