CN204425516U - The video control system of the integrated medium voltage network of MW class photovoltaic - Google Patents
The video control system of the integrated medium voltage network of MW class photovoltaic Download PDFInfo
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- CN204425516U CN204425516U CN201520069585.2U CN201520069585U CN204425516U CN 204425516 U CN204425516 U CN 204425516U CN 201520069585 U CN201520069585 U CN 201520069585U CN 204425516 U CN204425516 U CN 204425516U
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Abstract
The utility model discloses the video control system of the integrated medium voltage network of MW class photovoltaic, it comprises alarm detector, camera head, protocol converter.This alarm detector comprises smog alarm detector, door limit switch, relay J D2, relay J D3.Coil one end ground connection of relay J D2, the Controlling vertex K1 of this smog alarm detector of another termination.The two ends of the normally opened contact one of relay J D2 are connected on opening between end of power supply and this protocol converter, and normally-closed contact one is connected in the current supply circuit of this camera head.Coil one end ground connection of relay J D3, the Controlling vertex K2 of this door limit switch node of another termination.The two ends of the normally opened contact two of relay J D3 are connected on power supply and protocol converter is opened between end, and normally-closed contact two is connected in the current supply circuit of this camera head.The utility model adopt relay to realize occurring opening the door or fire hazard aerosol fog situation time shooting and alert process function, reduce cost of goods manufactured, simultaneously easy to maintenance.
Description
Technical field
The utility model relates to a kind of video control system, particularly relates to the video control system of the integrated medium voltage network of a kind of MW class photovoltaic.
Background technology
The operation in large-sized photovoltaic power station is generally all carried out in unattended situation, will carry out control very loaded down with trivial details with difficulty, need a large amount of human and material resources and financial resources to antitheft, fire etc.Therefore, need long-distance video control system, can the generation of the effective fortuitous event such as antitheft, fire-proof.
As shown in Figure 1, the video control system of the integrated medium voltage network of this MW class photovoltaic effectively can prevent the generation of the situations such as pilferage, fire.Once when there is the situations such as enabling, smog, alarm detector detects abnormal condition immediately, so automatically start high-definition network camera carry out making a video recording and pass the signal to protocol converter open into end, high definition network head is connected with video management platform (i.e. video management center) by switch simultaneously; Protocol converter is connected with video management platform (i.e. video management center) by switch; Can be monitored in real time by video management platform.Also can be undertaken making a video recording and shutting down by the manually opened high-definition camera of video management platform simultaneously.General alarm checkout gear adopts intelligent control chip, but cost compare is high like this.
Utility model content
Based on above-mentioned defect, the utility model provides the video control system of the integrated medium voltage network of a kind of MW class photovoltaic, and it adopts relay to realize the function of original alarm detector, as there is processing capacity when enabling or smoke condition, reduces costs.
Solution of the present utility model is: the video control system of the integrated medium voltage network of MW class photovoltaic, and it comprises alarm detector, camera head, protocol converter, and this alarm detector comprises smog alarm detector, door limit switch; It is characterized in that: this alarm detector also comprises relay J D2, relay J D3; Wherein, coil one end ground connection of relay J D2, the Controlling vertex K1 of this smog alarm detector of another termination; Relay J D2 comprises one group of normally opened contact one and one group of normally-closed contact one: what the two ends of normally opened contact one were connected on power supply and this protocol converter opens between end, and normally-closed contact one is connected in the current supply circuit of this camera head; Coil one end ground connection of relay J D3, the Controlling vertex K2 of this door limit switch node of another termination; Relay J D3 comprises one group of normally opened contact two and one group of normally-closed contact two: the two ends of normally opened contact two are connected on power supply and protocol converter is opened between end, and normally-closed contact two is connected in the current supply circuit of this camera head.
Further as such scheme, this alarm detector also comprises relay J D1, coil one end ground connection of relay J D1, another this protocol converter of termination output end; Relay J D1 comprises one group of normally opened contact three: the two ends of this group normally opened contact three are connected in the current supply circuit of this camera head.
Further as such scheme, this alarm detector also comprises the electrical socket X2 be connected in the current supply circuit of this camera head, and this electrical socket X2 is used for the power supply adaptor of this camera head of grafting.
Further as such scheme, this camera head is camera.
Further as such scheme, this camera head is video camera.
Further as such scheme, this power supply is+24V.
The utility model adopts relay to realize the function of original alarm detector, realize remote monitoring, can carry out recording a video and reporting to the police by (pilferage, fire, excess temperature etc.) automatic video camera of opening under abnormal condition simultaneously, effectively can apply technical field of photovoltaic power generation, effectively antitheft, fire-proof, thus the utility model simplified structure and cost, convenient for maintaining and replacing, very practical.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the video control system of the integrated medium voltage network of existing MW class photovoltaic.
Fig. 2 is the electrical block diagram of the alarm detector of the video control system of the integrated medium voltage network of the utility model MW class photovoltaic.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The video control system of the integrated medium voltage network of MW class photovoltaic comprises alert checkout gear, camera head, protocol converter, video management center.This alarm detector detects enabling situation by the door limit switch for often opening node, when normally closing the door, door limit switch is closed, this alarm detector receives the signal of telecommunication, when the door is opened, door limit switch disconnects, and this alarm detector does not receive the signal of telecommunication, starts camera head shooting and send the signal of telecommunication to video management platform (i.e. video management center) by protocol converter and switch to report to the police.This alarm detector also detects smoke condition by smog alarm detector, under normal circumstances, smog alarm detector can't detect smog, this alarm detector receives the signal of telecommunication (smog alarm detector node is closed under normal circumstances), when smog alarm detector detects smog, this alarm detector does not receive the signal of telecommunication (under having smoke condition, smog alarm detector node is for often opening) start camera head shooting and send the signal of telecommunication to video management platform (i.e. video management center) by protocol converter and switch and report to the police.
Alarm detector of the present utility model adopts common relay just to achieve the function originally needing intelligent chip to realize, and reduces cost, goes back convenient for maintaining or replacing simultaneously, very practical.Refer to Fig. 2, the alarm detector of the subsequent video control system to the integrated medium voltage network of MW class photovoltaic of the present utility model describes in detail.
This alarm detector also comprises relay J D1, relay J D2, relay J D3, electrical socket X2 except original smog alarm detector, for the door limit switch often opening node.In Fig. 2, JD1, JD2, JD3 are relay; X2 is power supply base, for the power supply adaptor of camera head provides power supply; XZ3-3, XZ3-8 are connected to AC220V both ends of power; What COM14-14 was connected to protocol converter opens into end; COM11-1 connects opening of protocol converter and connects opening into end of protocol converter into end COM12-2.
Coil one end ground connection of relay J D2, the Controlling vertex K1 of this smog alarm detector of another termination.Relay J D2 also comprises one group of normally opened contact one (1,2) and one group of normally-closed contact one (3,4): normally-closed contact one (1,2) two ends are connected in the current supply circuit of this camera head, normally opened contact one (3,4) is connected on opening into end of power supply (in the present embodiment for+24V) and protocol converter.As in Fig. 2, conveniently control camera head, this camera head can be camera can be also video camera, in present embodiment, is high-definition camera.Camera head can adopt power supply adaptor to be plugged on electrical socket X2
The Controlling vertex K1 of smog alarm detector is a normally closed node, and being namely a closed node in normal situation, is a disconnected node when smog alarm detector detects smog.When lower surface analysis has fire etc. abnormal, the principle of automatic unlatching high-definition camera work: under normal conditions, smog alarm detector closes, the 24V of DC24 power supply is through Controlling vertex K1 to the relay J D2 line bag of smog alarm detector, relay J D2 line is surrounded by 24V Power supply, and thus the normally-closed contact one (1,2) of relay J D2 disconnects, without AC220V Power supply on electrical socket X2, high-definition camera non-transformer is in off-mode.When occurring when there being fire to produce smog, be off node when smog alarm detector detects smog, smog alarm detector is also reported to the police.The 24V of DC24 power supply is through Controlling vertex K1 to the relay J D2 line bag of smog alarm detector, relay J D2 line bag is without 24V Power supply, and the normally-closed contact one (1,2) of relay J D2 is transferred to closed by disconnection, normally opened contact one (3,4) disconnects simultaneously; Electrical socket X2 there is AC220V Power supply, high-definition camera provides AC220V power supply due to electrical socket X2, automatic startup is also made a video recording, and sending its data to switch and video management platform (i.e. video management center) in the mode of communication transfer, video management platform (i.e. video management center) can monitoring site situation in real time; Due to normally opened contact one (3,4) disconnect, it is 0V that protocol converter is opened into terminal voltage, protocol converter detects that namely 0V judges to have fire etc. to cause a fog abnormal conditions, and its data are sent to switch and video management platform (video management center) in the mode of communication transfer, video management platform is reported to the police.
Coil one end ground connection of relay J D3, the Controlling vertex K2 of another this door limit switch of termination; Relay J D3 can comprise one group of normally opened contact two (5,6) and one group of normally-closed contact two (7,8): one group of normally-closed contact two (5,6) two ends are connected in the current supply circuit of this camera head, another group normally opened contact two (7,8) is connected on opening into end of+24V and protocol converter.
The Controlling vertex K2 of door limit switch one often opens node, and being a disconnected node when namely opening the door, is a closed node when closing the door.When lower surface analysis opens the door, the principle of automatic unlatching high-definition camera work: when closing the door, door limit switch closes, the 24V of DC24 power supply is through the line bag of the Controlling vertex K2 to relay J D3 of door limit switch, relay J D3 has 24V Power supply, and thus the normally-closed contact two (5,6) of relay J D3 is off, without AC220V Power supply on electrical socket X2, high-definition camera non-transformer is in off-mode.When there being enabling, door limit switch transfers disconnection to by closed, the 24V of DC24 power supply is through the line bag of the Controlling vertex K2 to relay J D3 of door limit switch, relay J D3 does not have 24V Power supply, thus the normally-closed contact two (5 of relay J D3, 6) transferred to by disconnection closed, electrical socket X2 there is AC220V Power supply, normally opened contact two (7 simultaneously, 8) disconnect, high-definition camera provides AC220V power supply due to electrical socket X2, automatic startup is also made a video recording, and send its data to switch and video management platform (i.e. video management center) in the mode of communication transfer, video management platform (i.e. video management center) can monitoring site situation in real time, due to normally opened contact two (7,8) disconnect, it is 0V that protocol converter is opened into terminal voltage, protocol converter detects 0V, namely the abnormal conditions of enabling are judged as, and its data are sent to switch and video management platform (video management center) in the mode of communication transfer, video management platform is reported to the police.
Owing to adopting relay J D2 of the present utility model, relay J D3, the open and close of camera head and warning device become very simple.
Conveniently, the video management center of video control system can control separately the open and close of camera head.Coil one end ground connection of relay J D1, another termination protocol converter output end (namely meeting terminals COM14-14); Relay J D1 comprises one group of normally opened contact three (9,10), and the two ends of normally opened contact three (9,10) are connected in the current supply circuit of this camera head.Video management center sends high-definition camera start-up command, information is sent to switch, protocol converter by communication transfer, protocol converter receives start-up command, export 24V (outputing end) to terminals COM14-14, the line bag (i.e. coil) of relay J D1 has 24V Power supply, thus the normally opened contact three (9 of relay J D1,10) transferred to by disconnection closed, electrical socket X2 there is AC220V Power supply, high-definition camera provides AC220V power supply due to electrical socket X2, automatically starts and makes a video recording.Video management center sends high-definition camera shutdown command, information is sent to switch, protocol converter by communication transfer, protocol converter receives shutdown command, export 0V (outputing end) to terminals COM14-14, the line bag non-transformer of relay J D1 is powered, and the normally opened contact three (9,10) of control relay JD1 transfers disconnection to by closed, without AC220V Power supply on electrical socket X2, high-definition camera non-transformer is in off-mode.
Be that protocol converter exports 0V to terminals COM14-14 equally, but owing to adopting relay J D1 of the present utility model, the open and close of camera head become very simple.
The advantage that this control system has: 1. this control system effectively can prevent the generation of the situations such as pilferage, fire.2. this control system more adapts to distributed photovoltaic power generation system.Distributed photovoltaic generating system, by this control system, can carry out centralized management, reduces the input of human and material resources, financial resources.
The communication protocol standard that different communication transfer modes converts to according to specifying is sent to interchanger by stipulations converter.Switch sends the data such as video record and alarm signal to system for managing video.Client can carry out local or remote access by video management center and check video and warning message.Client also manually can be sent by video management center and open high-definition camera signal, send switch, protocol converter, high-definition camera to, thus unlatching high-definition camera is made a video recording, and can carry out long-range closedown video camera simultaneously in communication transfer mode.High-definition camera, alarm detector, warning device, protocol converter can realize multiple access switch in parallel.
In sum, once when there is the situations such as enabling, smog, alarm detector detects abnormal condition immediately, and carry out making a video recording and reporting to the police so automatically start high-definition network camera, high definition network head is connected with video management platform by switch simultaneously.Can be monitored in real time by video management platform, also can be undertaken making a video recording and shutting down by the manually opened high-definition camera of video management platform simultaneously.
It is emphasized that: describe in detail for control mode of the present utility model with reference to accompanying drawing though above, concrete formation is not limited to this control mode, also comprises the design alteration etc. of the scope not departing from main idea of the present utility model.All amendments carried out according to essence of the present utility model, all still belong in the scope of scheme of the present utility model.
Claims (6)
1. the video control system of the integrated medium voltage network of MW class photovoltaic, it comprises alarm detector, camera head, protocol converter, and this alarm detector comprises smog alarm detector, door limit switch; It is characterized in that: this alarm detector also comprises relay J D2, relay J D3; Wherein,
Coil one end ground connection of relay J D2, the Controlling vertex K1 of this smog alarm detector of another termination; Relay J D2 comprises one group of normally opened contact one and one group of normally-closed contact one: what the two ends of this normally opened contact one were connected on power supply and this protocol converter opens between end, and this normally-closed contact one is connected in the current supply circuit of this camera head;
Coil one end ground connection of relay J D3, the Controlling vertex K2 of another this door limit switch of termination; Relay J D3 comprises one group of normally opened contact two and one group of normally-closed contact two: the two ends of this normally opened contact two are connected on this power supply and protocol converter is opened between end, and this normally-closed contact two is connected in the current supply circuit of this camera head.
2. the video control system of the integrated medium voltage network of MW class photovoltaic as claimed in claim 1, is characterized in that: this alarm detector also comprises relay J D1, coil one end ground connection of relay J D1, another this protocol converter of termination output end; Relay J D1 comprises one group of normally opened contact three: the two ends of this group normally opened contact three are connected in the current supply circuit of this camera head.
3. the video control system of the integrated medium voltage network of MW class photovoltaic as claimed in claim 1 or 2, it is characterized in that: this alarm detector also comprises the electrical socket X2 be connected in the current supply circuit of this camera head, this electrical socket X2 is used for the power supply adaptor of this camera head of grafting.
4. the video control system of the integrated medium voltage network of MW class photovoltaic as claimed in claim 1, is characterized in that: this camera head is camera.
5. the video control system of the integrated medium voltage network of MW class photovoltaic as claimed in claim 1, is characterized in that: this camera head is video camera.
6. the video control system of the integrated medium voltage network of MW class photovoltaic as claimed in claim 1, is characterized in that: this power supply is+24V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520069585.2U CN204425516U (en) | 2015-01-30 | 2015-01-30 | The video control system of the integrated medium voltage network of MW class photovoltaic |
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| CN201520069585.2U CN204425516U (en) | 2015-01-30 | 2015-01-30 | The video control system of the integrated medium voltage network of MW class photovoltaic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11909308B2 (en) | 2020-12-08 | 2024-02-20 | Huawei Digital Power Technologies Co., Ltd. | Power conversion circuit, method for controlling power conversion circuit, and transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11909308B2 (en) | 2020-12-08 | 2024-02-20 | Huawei Digital Power Technologies Co., Ltd. | Power conversion circuit, method for controlling power conversion circuit, and transformer |
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