CN211127278U - Multi-power-supply type power supply device and system based on monitoring system front-end equipment - Google Patents
Multi-power-supply type power supply device and system based on monitoring system front-end equipment Download PDFInfo
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- CN211127278U CN211127278U CN201921786596.7U CN201921786596U CN211127278U CN 211127278 U CN211127278 U CN 211127278U CN 201921786596 U CN201921786596 U CN 201921786596U CN 211127278 U CN211127278 U CN 211127278U
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Abstract
The utility model discloses a many power supplies formula power supply unit based on monitored control system front end equipment, include: the at least two power supply parts are simultaneously connected with the front-end equipment of the security monitoring system; the data acquisition device is respectively connected with each power supply part and acquires voltage and current data of each power supply part; the control device receives the detection data of the data acquisition device; the power supply switching device is respectively connected with each power supply part and controls the working relation between the front-end equipment of the security monitoring system and each power supply part; the power supply switching device is internally provided with a communication module which forms data communication with the control device. The utility model discloses the beneficial effect who reaches: the multi-power supply type power supply system can realize seamless switching of a plurality of power supply access ends.
Description
Technical Field
The utility model relates to a many power supplies formula power supply unit, system based on monitored control system front end equipment.
Background
With the continuous development of smart city construction, tens of thousands of front-end monitoring points are built in each important city and countryside, and intensive monitoring points can effectively improve case detection rate, reduce case rate and play a frightening role in criminal activities. Meanwhile, the maintenance workload of the equipment is correspondingly increased, and for the monitoring equipment, the access of a power supply is of vital significance to the long-term stable operation of the equipment, especially in a high crime incidence area.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a many power supplies formula power supply unit based on monitored control system front end equipment, include:
the at least two power supply parts are simultaneously connected with the front-end equipment of the security monitoring system;
the data acquisition device is respectively connected with each power supply part and acquires voltage and current data of each power supply part;
the control device receives the detection data of the data acquisition device;
the power supply switching device is respectively connected with each power supply part and controls the working relation between the front-end equipment of the security monitoring system and each power supply part;
the power supply switching device is internally provided with a communication module which forms data communication with the control device;
the same ends of the power supply parts are connected together to be used as a common end and connected to a load, and the other ends of the power supply parts are respectively connected to the power supply switching devices.
Further, the power supply part includes a main power supply and at least one sub power supply.
Further, the primary power source and the secondary power source are identical.
Further, the data acquisition device includes:
the voltage acquisition device is used for acquiring voltage data of the power supply part;
and the current acquisition device is used for acquiring current data of the power supply part.
Furthermore, the data acquisition devices are configured in one-to-one correspondence with the power supply parts.
Further, the power switching device includes:
a switching part for switching the access of the power supply part after receiving the signal of the control device;
the clock device is connected with the switching part and used for recording the action record of the switching part;
and the environment detection device monitors the circuit environment in real time and transmits the data and the time data of the fashion device to the control device at the same time.
Furthermore, the control device adopts a single chip microcomputer, and the model of the single chip microcomputer adopts PIC18F67J 60.
Further, the switching part adopts a relay, and the model is HF115F-012-2ZS 4.
Further, voltage is sampled by adopting partial pressure, and ADC is used for conversion; the current is converted by an I-V conversion circuit and an ADC.
As another aspect of this solution, a multi-power-supply power supply system based on a front-end device of a monitoring system is further provided, including:
the power supply module is provided with a group of main power supply modules and at least one group of auxiliary power supply modules; data interaction is not generated between the main power supply module and the auxiliary power supply module;
the acquisition module is used for acquiring real-time data of the power supply module;
the switching module is used for switching the access of the power supply module;
and the master control module is used for receiving the data of the acquisition module and sending a corresponding switching instruction to the switching module.
Furthermore, a communication module is arranged in the master control module and is used for communication between the master control module and other modules.
Further, the acquisition module includes:
the voltage acquisition module is used for acquiring power supply voltage;
the current acquisition module is used for acquiring power supply current;
the acquisition modules and the power supply modules are configured in a one-to-one correspondence manner.
Further, the system further comprises:
and the real-time clock unit is used for simultaneously transmitting the time and the action record of the switching unit to the master control module.
As another aspect of the present disclosure, a multi-power-supply power supply method based on a front-end device of a monitoring system is further provided: the security monitoring system front-end equipment is connected into at least two groups of power supply end, the master control end carries out real-time detection through the voltage and current data to each power supply end, and to the condition that the power that uses at present breaks down, other normal work's power end is in time started to the record that will switch uploads to master control end formation log.
The utility model discloses the beneficial effect who reaches: the multi-power supply type power supply system can realize seamless switching of a plurality of power supply access ends.
Drawings
FIG. 1 is a structural view of the present apparatus;
fig. 2 is a block diagram of the present system.
The meaning of the reference symbols in the figures:
1-output end, 2-main power supply, 3-auxiliary power supply, 4-voltage instrument, 5-current instrument, 6-indicator light and 7-main control board.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The technical scheme relates to a multi-power-supply type power supply method based on monitoring system front-end equipment, which comprises the following steps:
the security monitoring system front-end equipment is connected into at least two groups of power supply end, the master control end carries out real-time detection through the voltage and current data to each power supply end, and to the condition that the power that uses at present breaks down, other normal work's power end is in time started to the record that will switch uploads to master control end formation log.
As one aspect of the present invention, a multi-power-supply type power supply device based on a front-end device of a monitoring system is provided, as shown in fig. 1, in a housing of the device, the device includes:
the at least two power supply parts are simultaneously connected with the front-end equipment of the security monitoring system;
the data acquisition device is respectively connected with each power supply part and acquires voltage and current data of each power supply part;
the control device receives the detection data of the data acquisition device;
the power supply switching device is respectively connected with each power supply part and controls the working relation between the front-end equipment of the security monitoring system and each power supply part;
the power supply switching device is internally provided with a communication module which forms data communication with the control device.
As a specific example, the power supply portion is a main power supply and a sub power supply. Two power inserts security protection monitored control system front end equipment simultaneously, can same interface access, and specific interface end is similar to the data wiring of a pair of many that the cell-phone charges among the prior art, also can insert through a plurality of access ports, and in this figure, the load interface sets up on the output board alone. The main power supply (negative pole) and the standby power supply (negative pole) are connected together to form a common end which is linked to one end of the load; the other end is connected to the common end of the relay, the normally-on point and the normally-off point of the relay are respectively connected with the anode of the main power supply and the anode of the standby power supply, and only one power supply module can supply power at the same time.
After the main power supply and the auxiliary power supply are connected, the main power supply normally works. A plurality of circuit modules are integrated on the main control board, and each circuit module comprises a current acquisition circuit and a voltage acquisition circuit. Each power supply is independently provided with a current acquisition circuit and a voltage acquisition circuit, and circuit data are displayed through an instrument for the power supply in use.
The main control board is provided with a singlechip which is used as a core control element of the whole device.
The circuits of the main power supply and the auxiliary power supply are connected to the singlechip through the relay. In the embodiment, the relay is used as a switching module, the contact attraction and the disconnection of the relay are controlled by the singlechip between the main power supply and the auxiliary power supply to realize switching, and a fast electronic switch is used during switching, so that fast switching can be realized.
As a specific embodiment, each power supply has advanced PPTC self-recovery current-limiting protection (cut-off output/automatic recovery) instead of simply installing a plurality of fuses, each power supply has an independent L ED power supply indicator lamp, namely when a front-end device (a camera, a power line and the like) connected to a certain channel is in short circuit, the channel is self-protected and does not influence the normal power supply of other channels, and after the fault is eliminated, the channel automatically recovers the power supply.
The power part in the scheme forms two intelligent double-backup power supplies, a double-group double-backup power supply module is arranged in the power part, two main power supply modules work and supply power under a normal state, when one main power supply module breaks down, the main power supply module is self-locked and automatically switched to a corresponding standby power supply module to work and supply power, and an alarm is prompted. After the failed main power supply module is replaced and repaired, a reset key is required to be pressed for unlocking, and the power supply state of the corresponding standby power supply is switched back to the power supply state of the corresponding main power supply module for supplying power. The two main power supply modules and the standby power supply module coexist in a cold backup mode, namely the two standby power supply modules are not electrified or work when the two main power supply modules are not in failure, and the reliability of the standby power supply modules is greatly improved.
As a specific embodiment, the data acquisition device in the present solution includes:
and the voltage acquisition device consists of components and voltage type current transformers and is used for acquiring voltage signals of equipment.
The current acquisition device is composed of components and parts and a current type current transformer and is used for acquiring current signals of equipment.
And the data acquisition devices are configured in one-to-one correspondence with the power supply parts so as to ensure the accuracy of the acquired data of each power supply part.
As a specific embodiment, the power switching device includes:
a switching part for switching the access of the power supply part after receiving the signal of the control device;
and the clock device is connected with the switching part and used for recording the action record of the switching part and executing the main functions of recording the time when the fault occurs and the timing on-off state.
And the environment detection device monitors the circuit environment in real time and transmits the data and the time data of the fashion device to the control device at the same time.
As a specific embodiment, as shown in fig. 1, a main power supply and a secondary power supply are disposed inside the casing, wherein both power supplies are connected to the output end and are connected to the electric device. The two power supplies respectively correspond to a voltage acquisition circuit and a current acquisition circuit, are integrated on the main control board, and transmit data to the instrument through the single chip microcomputer. The main power supply and the auxiliary power supply are switched by controlling the contact of the relay to be closed and closed through the single chip microcomputer, and a quick electronic switch is used during switching, so that quick switching can be realized.
As another aspect of this solution, a multi-power-supply power supply system based on a front-end device of a monitoring system is further provided, including:
the power supply module is provided with a group of main power supply modules and at least one group of auxiliary power supply modules; data interaction is not generated between the main power supply module and the auxiliary power supply module;
the acquisition module is used for acquiring real-time data of the power supply module;
the switching module is used for switching the access of the power supply module;
and the master control module is used for receiving the data of the acquisition module and sending a corresponding switching instruction to the switching module.
The master control module is internally provided with a communication module for communication between the master control module and other modules.
As a specific example, the power supply provides both manual and remote control modes of operation. When the remote control mode is selected, the whole machine output of the intelligent double-backup energy-saving power supply can be subjected to on-off control (the on state is that current output is available when the machine is started or current output is unavailable when the machine is shut down) in a remote manual mode or a timed mode according to the actual needs of a monitoring site, so that the working time of equipment such as a camera and the like is shortened, the video storage capacity is reduced, the service life of the equipment such as the camera and a storage unit is prolonged, the energy-saving effect is achieved, and certain economic benefits are generated for a user unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a many power supplies formula power supply unit based on monitored control system front end equipment which characterized in that:
the multi-power supply type power supply device based on the monitoring system front-end equipment comprises:
a main chassis housing as a carrier;
the at least two power supply parts are positioned in the host case shell and are simultaneously accessed to the front-end application equipment through an interface;
the data acquisition device is respectively connected with each power supply part and acquires voltage and current data of each power supply part;
the control device receives the detection data of the data acquisition device;
the power supply switching device is respectively connected with each power supply part and controls the working relation between the front-end equipment of the security monitoring system and each power supply part;
the power supply switching device is internally provided with a communication module which forms data communication with the control device;
the same ends of the power supply parts are connected together to serve as a common end and connected to a load, and the other ends of the power supply parts are respectively connected to the power supply switching devices.
2. The multi-power supply device based on the front-end equipment of the monitoring system as claimed in claim 1, wherein:
the power supply part comprises a main power supply and at least one auxiliary power supply.
3. The multi-power supply device based on the front-end equipment of the monitoring system as claimed in claim 1, wherein:
the data acquisition device includes:
the voltage acquisition device is used for acquiring voltage data of the power supply part;
the current acquisition device is used for acquiring current data of the power supply part;
the voltage acquisition device and the current acquisition device are connected with the power supply part through lines and display self-acquired data through instruments positioned outside the shell.
4. The multi-power supply device based on the front-end equipment of the monitoring system as claimed in claim 1, wherein:
the data acquisition devices are configured in one-to-one correspondence with the power supply parts.
5. The multi-power supply device based on the front-end equipment of the monitoring system as claimed in claim 1, wherein:
the power switching device includes:
a switching part for switching the access of the power supply part after receiving the signal of the control device;
the clock device is connected with the switching part and used for recording the action record of the switching part;
and the environment detection device monitors the circuit environment in real time and transmits the data and the time data of the fashion device to the control device at the same time.
6. A multi-power supply type power supply system based on monitoring system front-end equipment is characterized in that:
the multi-power-supply type power supply system based on the monitoring system front-end equipment comprises:
the power supply module is provided with a group of main power supply modules and at least one group of auxiliary power supply modules; data interaction is not generated between the main power supply module and the auxiliary power supply module;
the acquisition module is used for acquiring real-time data of the power supply module;
the switching module is used for switching the access of the power supply module and respectively controlling the contact attraction and the disconnection of the relays of the main power supply module and the standby power supply module;
and the master control module is used for receiving the data of the acquisition module and sending a corresponding switching instruction to the switching module.
7. The multi-power-supply power supply system based on the monitoring system front-end equipment as claimed in claim 6, wherein:
and the master control module is internally provided with a communication module for communication between the master control module and other modules.
8. The multi-power-supply power supply system based on the monitoring system front-end equipment as claimed in claim 6, wherein:
the acquisition module comprises:
the voltage acquisition module is used for acquiring power supply voltage;
the current acquisition module is used for acquiring power supply current;
the acquisition modules and the power supply modules are configured in a one-to-one correspondence manner.
9. The multi-power-supply power supply system based on the monitoring system front-end equipment as claimed in claim 6, wherein:
the system further comprises:
and the real-time clock unit is used for simultaneously transmitting the time and the action record of the switching unit to the master control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786596.7U CN211127278U (en) | 2019-10-23 | 2019-10-23 | Multi-power-supply type power supply device and system based on monitoring system front-end equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786596.7U CN211127278U (en) | 2019-10-23 | 2019-10-23 | Multi-power-supply type power supply device and system based on monitoring system front-end equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211127278U true CN211127278U (en) | 2020-07-28 |
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| CN201921786596.7U Active CN211127278U (en) | 2019-10-23 | 2019-10-23 | Multi-power-supply type power supply device and system based on monitoring system front-end equipment |
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| CN (1) | CN211127278U (en) |
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- 2019-10-23 CN CN201921786596.7U patent/CN211127278U/en active Active
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