CN118040504A - Power distribution cabinet with operation environment monitoring function - Google Patents
Power distribution cabinet with operation environment monitoring function Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 139
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 145
- 230000009466 transformation Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 9
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- 239000007788 liquid Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 9
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- 238000012806 monitoring device Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
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Abstract
The invention is applicable to the technical field of power distribution cabinet monitoring, and provides a power distribution cabinet with operation environment monitoring, which comprises a power distribution cabinet body; a control circuit, a controller module installation position, a display module and an extended function installation position are installed in the power distribution cabinet body; the controller module is arranged on the controller module installation position; the power distribution cabinet body comprises a third power distribution cabinet, a second power distribution cabinet and a first power distribution cabinet; the controller module installation positions inside the three power distribution cabinets are respectively provided with an embedded terminal unit, a front end detection control terminal and a background server terminal module, and the three power distribution cabinets are electrically connected with respective control circuits; the background server terminal module is connected with the WEB browsing terminal through a network; one or more optional functional units are installed on the extended function installation position. Therefore, the power distribution cabinet with the operation environment monitoring function in the technical scheme can monitor the internal factors and external factors of the power distribution cabinet simultaneously, and ensure the normal operation of electrical equipment in the power distribution cabinet.
Description
Technical Field
The invention is suitable for the technical field of monitoring of power distribution cabinets and provides a power distribution cabinet with operation environment monitoring.
Background
In the power distribution link, a power distribution cabinet is used as equipment on the basis of a power distribution system and is used for installing a cabinet of electrical equipment, so that the cabinet plays a role in protecting the electrical equipment installed in the cabinet, and the power distribution cabinet, the illumination power distribution cabinet and the metering cabinet are usually separated.
At present, the Internet of things and artificial intelligence technology of China are developed at full speed, and under the environment background, the intelligent and network big data monitoring of the traditional building is also imperative. The power equipment in most buildings such as a shopping mall, an office building, a functional building and the like can realize timing self-checking, and can finish remote supervision in a general control room.
The electrical equipment such as isolator, circuit breaker, contactor, thermal relay, mutual inductor, condenser, arrester, surge protector are installed in the switch board generally, because electrical equipment is many in the switch board, detect the environment in the switch board, guarantee that electrical equipment normally operates in the switch board is particularly important. However, at present, in a residential building area of a large area, an intelligent operation environment monitoring platform of a power distribution cabinet is lacking, the operation environment cannot be monitored in an omnibearing manner, and fine problems are easily ignored to cause safety accidents, such as personal electric shock, heating of the power distribution cabinet, fire and even explosion.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a power distribution cabinet with operation environment monitoring, and to solve the problems set forth in the background art, the apparatus includes a power distribution cabinet body; a control circuit, a controller module installation position, a display module and an extended function installation position are installed in the power distribution cabinet body;
the display module is electrically connected with a control circuit in the power distribution cabinet body, and a controller module is arranged on the controller module installation position;
the power distribution cabinet body comprises a three-stage power distribution cabinet, a two-stage power distribution cabinet and a first-stage power distribution cabinet;
The embedded terminal unit, the front end detection control terminal and the background server terminal module are respectively arranged on the controller module installation positions in the three-stage power distribution cabinet, the second-stage power distribution cabinet and the first-stage power distribution cabinet, and the control circuits of the three-stage power distribution cabinet, the second-stage power distribution cabinet and the first-stage power distribution cabinet are respectively electrically connected with the embedded terminal unit, the front end detection control terminal and the background server terminal module;
The background server terminal module is connected with a WEB browsing terminal through a network;
One or more of the following optional functional units are installed on the extended function installation position: the system comprises a temperature monitoring unit, a humidity monitoring unit, an electric well room monitoring unit, a cold water system monitoring unit, a heat source monitoring unit, an air conditioning system detecting unit, a water supply and drainage system detecting unit, an elevator system monitoring unit, a power transformation and distribution system unit and an illumination detecting unit;
the functional unit is electrically connected with the controller module.
Further, the functional unit may further comprise one or more of the following optional ingredients: the system comprises a fresh air system unit, a video monitoring unit, a smoke sensing monitoring unit, a fire alarm unit and a door magnetic system monitoring unit;
The monitoring function of the fresh air system unit comprises monitoring the actual measurement temperature of air supply, the set temperature of air supply and the deviation value of the actual measurement temperature of air supply and the set temperature of air supply;
the video monitoring unit can monitor images of operators who open the power distribution cabinet;
the smoke sensing monitoring unit monitors fire fighting of the building in real time;
the fire alarm unit is a fire alarm electric power facility;
The door magnetic system monitoring unit is door magnetic equipment of the power distribution cabinet.
Further, the electric well room monitoring unit comprises an electric well overflow monitor and an electric well temperature and humidity monitor, and the electric well overflow monitor and the electric well temperature and humidity monitor are installed at important positions according to the actual area and the size of each floor electric well; the electric well overflow monitor and the electric well temperature and humidity monitor are connected with the controller module in the power distribution cabinet body through signal wires.
Further, the cold water system monitoring unit monitors and controls the following: the water supply and return temperature of the cooling tower, the running state of the cooling tower, start-stop control, fault alarm, manual/automatic state, control of a water supply butterfly valve of the cooling tower, the running state of a cooling water pump, start-stop control and water flow switch state; the running state of the water chilling unit, start-stop control, control of a water chilling unit cooling water supply butterfly valve and control of a chilled water supply butterfly valve of the water chilling unit; chilled water supply and return water temperature, pressure, water supply flow, running state of a chilled water pump, fault alarm, manual/automatic state, water flow switch state, start-stop control of the chilled water pump and pressure difference adjustment of the chilled water supply and return water.
Further, the heat source monitoring unit monitors and controls the following: primary side hot water temperature, steam temperature, pressure, flow; a primary side hot water/steam regulating valve of the heat exchanger is controlled; the hot water circulating pump is in an operating state, a fault alarm, a manual/automatic state and a water flow switch state; starting and stopping control of a hot water circulating pump; the temperature, pressure and flow of the secondary side water supply and return water.
Further, the air conditioning system detection unit monitors and controls the following:
The temperature and humidity of fresh air, air supply and return air; a fresh air valve and a return air valve are controlled; a filter screen state; alarming the surface cooler at low temperature; adjusting a water valve; a fan differential pressure; fan running state, fault alarm, hand/automatic state; and (5) controlling the start and stop of the fan.
Further, the water supply and drainage system detection unit monitors and controls the following: the water tank and the water pool are high in liquid level and low in liquid level; water pump running state, fault alarm, hand/automatic state; and (5) controlling the start and stop of the water pump.
Furthermore, the elevator system monitoring unit and the power transformation and distribution system unit are only monitored and not controlled on the data monitoring terminal;
The monitoring content of the elevator system monitoring unit is as follows: elevator running state, elevator fault alarm, elevator ascending state and elevator descending state;
the monitoring content of the power transformation and distribution system unit is as follows: low voltage side voltage, current, power factor, frequency, etc.; overtemperature alarm of the transformer; the running state of the low-voltage breaker and the fault alarm; and (5) automatically calculating active power and reactive power, and counting the electricity consumption of each loop.
The invention has the following advantages when in use:
1. Real-time performance, the real-time performance of monitoring data is ensured by using a similar equipment single bus acquisition mode, the front-end equipment data acquisition and control time is customized, and the remote monitoring data refreshing time is customized. Real-time monitoring, avoiding accidents: the computer system is used for monitoring the environments of electromechanical equipment and a power distribution cabinet in real time, so that hidden dangers which cannot be found in time by manpower are monitored at any time, the defect of manpower is overcome, and the serious loss is avoided;
2. The maintenance performance, various parameters of the power distribution cabinet support on-line parameter modification, parameters and the like are modified for monitoring equipment under the condition that a monitoring system is not stopped, the system design adopts a modularized structure, and the maintenance of the whole system is on-line and the normal operation of all equipment is not stopped due to the maintenance of part of equipment.
3. Convenience, this switch board can still master the indoor information of total accuse under the circumstances that the staff breaks away from the master control room, has promoted the convenience in work such as maintenance, inspection, improves maintainer's work efficiency greatly, reduces enterprise human cost.
According to the technical scheme, the power distribution cabinet with the operation environment monitoring function can monitor the internal factors and external factors of the power distribution cabinet at the same time, and normal operation of electrical equipment in the power distribution cabinet is guaranteed. The intelligent monitoring system can monitor the external environment and the running condition of equipment in an omnibearing way, and prevent safety accidents, such as personal electric shock, heating of a power distribution cabinet, fire and even explosion.
Drawings
Fig. 1 is a schematic diagram of the internal structure of a power distribution cabinet body;
fig. 2 is a schematic diagram of a connection of a power distribution cabinet;
FIG. 3 is a flow chart of a power distribution cabinet monitoring system;
In the figure: 01-first-level power distribution cabinet; 02-a secondary power distribution cabinet; 03-three-stage power distribution cabinets; 1-a power distribution cabinet body; 2-a display module; 3-a control circuit; 4-a controller module mounting location; a 5-controller module; 6, expanding a function installation position; 7-functional unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention aims to provide a power distribution cabinet with an operation environment monitoring function, which comprises a power distribution cabinet body 1, wherein the power distribution cabinet body 1 comprises a three-stage power distribution cabinet 03, a two-stage power distribution cabinet 02 and a one-stage power distribution cabinet 01. The first-stage power distribution cabinet 01 is electrically connected with a plurality of second-stage power distribution cabinets 02, and the second-stage power distribution cabinets 02 are electrically connected with a plurality of third-stage power distribution cabinets 03.
The power distribution cabinet body 1 is internally provided with a control circuit 3, a controller module installation position 4, a display module 2 and an extended function installation position 6.
The display module 2 is electrically connected with the control circuit 3 in the power distribution cabinet body 1, and the display module 2 is a capacitance screen with the specification of 11 inches; the controller module 5 is installed on the controller module installation position 4, and the controller module 5 comprises an embedded terminal unit, a front end detection control terminal and a background server terminal module.
The three-stage power distribution cabinet 03, the two-stage power distribution cabinet 02 and the one-stage power distribution cabinet 01 are all provided with a control circuit 3. An embedded terminal unit is arranged on a controller module installation position 4 on the three-stage power distribution cabinet 03, the embedded terminal unit is electrically connected with a control circuit 3 of the three-stage power distribution cabinet 03, a front end detection control terminal is arranged on the controller module installation position 4 on the two-stage power distribution cabinet 02, the front end detection control terminal is electrically connected with the control circuit 3 of the two-stage power distribution cabinet 02, a background server terminal module is arranged on the controller module installation position 4 on the one-stage power distribution cabinet 01, the background server terminal module is electrically connected with the control circuit 3 of the one-stage power distribution cabinet 01, and the background server terminal module is connected with a WEB browsing terminal through a switch and a router network. The background server terminal module adopts a commercial Ali cloud server.
The function unit 7 is installed on the extended function installation position 6. One or more of the following optional functional units 7 are installed on the extended function installation position 6 of the power distribution cabinet body 1: the system comprises a temperature monitoring unit, a humidity monitoring unit, an electric well room monitoring unit, a cold water system monitoring unit, a heat source monitoring unit, an air conditioning system detecting unit, a water supply and drainage system detecting unit, an elevator system monitoring unit, a power transformation and distribution system unit and an illumination detecting unit. The functional units 7 are all electrically connected with the controller module 5 inside the power distribution cabinet body 1 where the functional units are located.
Specifically, the functional units 7 on the extended function installation position 6 of the power distribution cabinet body 1 can complete respective functional requirements, data are transmitted to the controller module 5 electrically connected with the functional units in real time, and the controller module 5 then analyzes electric signals and transmits the electric signals to the primary control terminal; the background server terminal module is connected with a plurality of front-end detection control terminals through buses, the front-end detection control terminals are connected with a plurality of embedded terminal units through signal lines, and the background server terminal module is connected with a WEB browsing terminal through a network; and finally, the staff can immediately check and continuously monitor the power distribution cabinets in all areas on the WEB browsing terminal.
The power distribution cabinet in the technical scheme is based on an embedded distributed control theory and a direct digital control system (DDC automatic control system), integrates a system controller, control equipment and monitoring equipment distributed on each monitoring site through a network system, and jointly completes centralized operation, management and decentralized control, thereby being an important extension part of building intellectualization. The front-end detection control terminal refers to a data receiving and transmitting control subsystem distributed in a building in a broad sense, and refers to the data end of each building unit or a power transformation and distribution room in a narrow sense. The embedded terminal unit is a data integration unit of each functional unit divided down by the data end of each floor or each power transformation and distribution room.
On the three-stage power distribution cabinet 03, data monitored by each functional unit 7 installed on the extended function installation position 6, such as a temperature monitoring unit, a humidity monitoring unit, an electric well room monitoring unit, a cold water system monitoring unit, a heat source monitoring unit or an illumination detecting unit, are collected and primarily integrated by an embedded terminal unit inside the three-stage power distribution cabinet 03, and then transmitted to a front end detection control terminal on the secondary power distribution cabinet 02 through a signal line.
Meanwhile, each functional unit 7 installed on the extended function installation position 6 on the secondary power distribution cabinet 02 directly analyzes environment monitoring data around the secondary power distribution cabinet 02 and sends the environment monitoring data to the front-end detection control terminal, the front-end detection control terminal is integrated with data sent by the tertiary power distribution cabinet 03, the front-end detection control terminal is transmitted to the background server terminal module through the bus, and the background server terminal module and the cloud terminal realize real-time data exchange.
The background server terminal module adopts a commercial Ali cloud server and has independent data processing and data storage capacity, and is used for storing, real-time processing, analyzing and outputting the environmental data of each monitoring point, processing all alarm information, recording alarm events and being responsible for sending control commands to the controller module 5 where the abnormal alarm is located, and the controller module 5 realizes the remote control of the on-site power distribution cabinet. Meanwhile, the background server terminal module bears the carrier of the video server and the third-party server for butting the monitoring video camera.
The WEB browsing terminal is used for conducting remote WEB browsing, is convenient for a manager to remotely monitor environmental data of a station room, can directly observe a monitoring picture consistent with a monitoring background server, and can realize remote control on equipment under corresponding permission, such as starting and stopping of a power distribution cabinet, version viewing and updating of a collector and the like.
The functional units 7 further comprise one or more of the following optional functional units 7: fresh air system unit, video monitoring unit, smoke monitoring unit, fire alarm unit, door magnetic system monitoring unit.
The monitoring function of the fresh air system unit comprises monitoring the actual measurement temperature of the air supply, the set temperature of the air supply and the deviation value of the actual measurement temperature of the air supply and the set temperature of the air supply. The monitoring equipment in the fresh air system unit is in real-time communication with the controller module 5, the controller module 5 adjusts the opening of the waterway electric regulating valve according to the deviation of the actually measured temperature of air supply and the set temperature of air supply through the background server terminal module, and simultaneously monitors and controls functions of filter blockage alarm signals, the interlocking of a fresh air valve and the running state of a fan, the opening and closing state of the fan on-off valve, starting and stopping the unit at fixed time according to a time schedule and the like, so that real-time monitoring is realized.
The video monitoring unit belongs to a part of the intelligent security system of the building, and can expand the security system according to the user demand to monitor the picture of an operator who opens the power distribution cabinet.
The smoke detection unit is internally provided with a smoke detector in the power distribution cabinet, and the smoke detector is connected with the controller module 5 in a bus mode to monitor fire fighting of a building in real time. Once an alarm occurs, the system is automatically switched to a corresponding monitoring interface, and the fire alarm state icon turns red and flashes to display, and meanwhile, an alarm event is generated to record and store and have a corresponding processing prompt, and the alarm is sent to a front-end detection control terminal at the first time.
The fire alarm unit is a fire alarm electric power facility.
The door magnetic system monitoring unit is door magnetic equipment of the power distribution cabinet.
The electric well room monitoring unit comprises an electric well overflow monitor and an electric well temperature and humidity monitor, and the electric well overflow monitor and the electric well temperature and humidity monitor are arranged at important positions according to the actual area size requirement of each floor electric well; the electric well overflow monitor and the electric well temperature and humidity monitor in the electric well of each floor are connected with the controller module 5 in the power distribution cabinet body 1 through signal wires.
The detection signal of the electric well temperature and humidity monitor can be used for checking the current temperature and humidity values in real time on a liquid crystal display panel of the temperature and humidity detector, and the temperature and humidity detector values can be checked through a monitoring terminal. Once the temperature and the humidity are in overrun alarm, the system is automatically switched to a corresponding monitoring interface, the parameters of the alarm are displayed on an alarm page, and meanwhile, an alarm event is generated for recording and storing and alarming at the first time. The system can provide curve records, visually display real-time and historical curves, can inquire the historical curves of corresponding parameters in specific time and parameter values (including maximum values and minimum values) of specific time, and can derive the historical curves into an EXCEL format, so that an administrator can conveniently and comprehensively know the temperature and humidity conditions in a station room.
The electric well overflow monitor is a positioning type water immersion transmitter distributed on each floor. When the sensing cable detects that water leakage exists, the sensing cable can immediately transmit signals to the positioning type water immersion transmitter, at the moment, the transmitter can give an alarm and transmit alarm signals to the controller module 5 of the current power distribution cabinet, and the controller module 5 generates accurate fault positioning signals and transmits the accurate fault positioning signals to the background server terminal module and the WEB browsing terminal. The electric well temperature and humidity monitor and the electric well overflow monitor are similar in operation condition. Therefore, the electric well overflow monitor and the electric well temperature and humidity monitor can monitor the temperature, humidity and overflow conditions in the electric well in real time, quickly respond when dangerous conditions occur, and return fault location information.
The humiture monitoring unit includes two kinds of data and looks over the mode, specifically:
(1) Checking the current temperature and humidity values among all the electric wells and whether overflow monitoring is normal or not in real time at an electric well temperature and humidity and overflow monitoring plate of the display module 2;
(2) And checking whether the temperature and humidity detector value and overflow monitoring are normal or not through a background server terminal module unit page in the general control room.
The cold water system monitoring unit monitors and controls the following:
(1) The water supply and return temperature of the cooling tower, the running state of the cooling tower, start-stop control, fault alarm, manual/automatic state, control of a water supply butterfly valve of the cooling tower, the running state of a cooling water pump, start-stop control and water flow switch state; the cooling tower system automatically calculates the cold load quantity required by the building air conditioner according to the temperature of the chilled water supply and return water and the water supply flow quantity measurement value, and determines the running number of the water chilling units, so that the aim of saving energy is fulfilled; determining the number of fans of the cooling tower to operate according to the temperature of the cooling water supply and return water; after the water pump is started, the water flow switch detects the water flow state, and if the water flow state is in failure, the water pump is stopped. If the water pump fails during operation, the standby pump is automatically put into operation; starting and stopping the machine set at fixed time according to a scheduled work and holiday work and rest schedule; the functions can be monitored through the power distribution cabinet.
(2) The running state of the water chilling unit, start-stop control, control of a water chilling unit cooling water supply butterfly valve and control of a chilled water supply butterfly valve of the water chilling unit; chilled water supply and return water temperature, pressure, water supply flow, running state of a chilled water pump, fault alarm, manual/automatic state, water flow switch state, start-stop control of the chilled water pump and pressure difference adjustment of the chilled water supply and return water. And comparing the actual value of the chilled water supply and return water pressure difference with the set value of the supply and return water pressure difference, and automatically adjusting the bypass regulating valve to maintain the constant supply and return water pressure difference.
The same-electricity well room monitoring unit is in communication connection with the controller module 5; each monitoring device and each monitoring device in the monitoring unit of the cold water system are connected with the controller module 5 in the power distribution cabinet body 1 through signal wires.
The heat source monitoring unit monitors and controls the following:
Primary side hot water temperature, steam temperature, pressure, flow; a primary side hot water/steam regulating valve of the heat exchanger is controlled; the hot water circulating pump is in an operating state, a fault alarm, a manual/automatic state and a water flow switch state; starting and stopping control of a hot water circulating pump; the temperature, pressure and flow of the secondary side water supply and return water. The water temperature, steam temperature, pressure and flow rate values of the primary side of the heat supply network water supply are measured by a sensor or an instrument device arranged on a corresponding pipeline, and the heat exchanger is provided with an electric regulating valve and an internal sensing element; meanwhile, the power distribution cabinet also comprises equipment such as a circulating pump, a water collector, a water separator and the like, and all the electronic components are electrically connected with a controller module 5 in the power distribution cabinet body 1. The following functions can be achieved:
1. The opening degree of a primary hot water/steam regulating valve of the heat exchanger is monitored and regulated.
2. And monitoring the working state of the hot water circulating pump and the state of the hot water steam regulating valve.
3. And monitoring a water flow switch after the water pump is started, and detecting a water flow state and a fault shutdown state.
4. And monitoring the water supply and return water temperature and water supply flow measurement values of the air conditioner, and monitoring the calculated heat load required by the air conditioner of the building.
5. Monitoring display, modifying a scheduled operation time table through permission, automatically counting the working time of equipment, and prompting timing overhaul.
The fresh air system provides a wind source for the air conditioning system, the air is supplied to the air conditioning system through a pipeline, the air is supplied to the air conditioning system through a blower, the air conditioning system is provided with an air supply pipeline loop and a return air pipeline loop, and a filter screen system, a surface cooler, a cold and hot water valve, a steam humidifying unit and the like are arranged between the air supply pipeline loop and the return air pipeline loop. The air conditioning system detection unit monitors and controls the following:
the temperature and humidity of fresh air, air supply and return air; a fresh air valve and a return air valve are controlled; a filter screen state; alarming the surface cooler at low temperature; adjusting a water valve; a fan differential pressure; fan running state, fault alarm, hand/automatic state; and (5) controlling the start and stop of the fan. All the above monitoring components are electrically connected with the controller module 5 inside the power distribution cabinet body 1.
The following functions can be achieved: monitoring the temperature and humidity of fresh air, air supply and return air in real time; a fresh air valve and a return air valve are controlled; monitoring the state of the filter screen and reminding replacement; alarming the surface cooler at low temperature; adjusting a water valve; monitoring and controlling the pressure difference of a fan; fan running state, fault alarm, hand/automatic state monitoring and control; and (5) controlling the start and stop of the fan.
The water supply and drainage system comprises a city network water supply pipeline, a water supply pump, a living water tank, a living water supply pump, a water collecting pit and a drainage pump; the water supply pump, the life water supply pump, the drainage pump and other monitoring modules are all electrically connected with the controller module 5 inside the power distribution cabinet body 1 between the devices.
The water supply and drainage system detection unit monitors and controls the following: the water tank and the water pool are high in liquid level and low in liquid level; water pump running state, fault alarm, hand/automatic state; controlling the start and stop of the water pump; the monitoring can be realized: the water pit is automatically started to drain when the water level of the water pool is Yu Qibeng water levels, and the pump is automatically stopped when the water level is lower than the pump stopping water level; when the water level of the water tank is lower than the pump starting liquid level, automatically starting the pump to supply water, and when the water level is higher than the pump stopping liquid level, automatically stopping the pump; and automatically counting the running time of the equipment and prompting the regular maintenance.
The elevator system monitoring unit and the power transformation and distribution system unit are only not monitored on the data monitoring terminal.
The monitoring content of the elevator system monitoring unit is as follows: elevator running state, elevator fault alarm, elevator ascending state and elevator descending state.
The monitoring content of the power transformation and distribution system unit is as follows: low voltage side voltage, current, power factor, frequency, etc.; overtemperature alarm of the transformer; the running state of the low-voltage breaker and the fault alarm; and (5) automatically calculating active power and reactive power, and counting the electricity consumption of each loop. The elevator system monitoring unit and various monitoring elements in the power transformation and distribution system unit are electrically connected with the controller module 5 inside the power distribution cabinet body 1.
The invention has the following advantages when in use:
1. Real-time performance, the real-time performance of monitoring data is ensured by using a similar equipment single bus acquisition mode, the front-end equipment data acquisition and control time is customized, and the remote monitoring data refreshing time is customized. Real-time monitoring, avoiding accidents: the computer system is used for monitoring the environments of electromechanical equipment and a power distribution cabinet in real time, so that hidden dangers which cannot be found in time by manpower are monitored at any time, the defect of manpower is overcome, and the serious loss is avoided;
2. The maintenance performance, various parameters of the power distribution cabinet support on-line parameter modification, parameters and the like are modified for monitoring equipment under the condition that a monitoring system is not stopped, the system design adopts a modularized structure, and the maintenance of the whole system is on-line and the normal operation of all equipment is not stopped due to the maintenance of part of equipment.
3. Convenience, this switch board can still master the indoor information of total accuse under the circumstances that the staff breaks away from the master control room, has powerful convenience in work such as maintenance, inspection, improves maintainer's work efficiency greatly, reduces enterprise human cost.
According to the technical scheme, the power distribution cabinet with the operation environment monitoring function can monitor the internal factors and external factors of the power distribution cabinet at the same time, and normal operation of electrical equipment in the power distribution cabinet is guaranteed. The intelligent monitoring system can monitor the external environment and the running condition of equipment in an omnibearing way, and prevent safety accidents, such as personal electric shock, heating of a power distribution cabinet, fire and even explosion.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The power distribution cabinet with the operation environment monitoring function is characterized by comprising a power distribution cabinet body (1); the power distribution cabinet is characterized in that a control circuit (3), a controller module installation position (4), a display module (2) and an extended function installation position (6) are installed in the power distribution cabinet body (1);
the display module (2) is electrically connected with a control circuit (3) in the power distribution cabinet body (1), and a controller module (5) is arranged on the controller module installation position (4);
The power distribution cabinet body (1) comprises a three-stage power distribution cabinet (03), a two-stage power distribution cabinet (02) and a first-stage power distribution cabinet (01);
The embedded terminal unit, the front end detection control terminal and the background server terminal module are respectively arranged on controller module installation positions (4) in the three-stage power distribution cabinet (03), the two-stage power distribution cabinet (02) and the one-stage power distribution cabinet (01), and control circuits (3) of the three-stage power distribution cabinet (03), the two-stage power distribution cabinet (02) and the one-stage power distribution cabinet (01) are respectively electrically connected with the embedded terminal unit, the front end detection control terminal and the background server terminal module;
The background server terminal module is connected with a WEB browsing terminal through a network;
One or more of the following optional functional units (7) are installed on the extended function installation position (6): the system comprises a temperature monitoring unit, a humidity monitoring unit, an electric well room monitoring unit, a cold water system monitoring unit, a heat source monitoring unit, an air conditioning system detecting unit, a water supply and drainage system detecting unit, an elevator system monitoring unit, a power transformation and distribution system unit and an illumination detecting unit;
the functional unit (7) is electrically connected with the controller module (5).
2. The power distribution cabinet with operating environment monitoring according to claim 1, characterized in that the functional unit (7) further comprises one or more of the following optional: the system comprises a fresh air system unit, a video monitoring unit, a smoke sensing monitoring unit, a fire alarm unit and a door magnetic system monitoring unit;
The monitoring function of the fresh air system unit comprises monitoring the actual measurement temperature of air supply, the set temperature of air supply and the deviation value of the actual measurement temperature of air supply and the set temperature of air supply;
the video monitoring unit can monitor images of operators who open the power distribution cabinet;
the smoke sensing monitoring unit monitors fire fighting of the building in real time;
the fire alarm unit is a fire alarm electric power facility;
The door magnetic system monitoring unit is door magnetic equipment of the power distribution cabinet.
3. The power distribution cabinet with the operation environment monitoring function according to claim 1, wherein the electrical well house monitoring unit comprises an electrical well overflow monitor and an electrical well temperature and humidity monitor, and the electrical well overflow monitor and the electrical well temperature and humidity monitor are installed at important positions according to actual area and size requirements of electrical wells of all floors; the electric well overflow monitor and the electric well temperature and humidity monitor are connected with a controller module (5) in the power distribution cabinet body (1) through signal wires.
4. The power distribution cabinet with operating environment monitoring of claim 1, wherein the cold water system monitoring unit monitors and controls the following: the water supply and return temperature of the cooling tower, the running state of the cooling tower, start-stop control, fault alarm, manual/automatic state, control of a water supply butterfly valve of the cooling tower, the running state of a cooling water pump, start-stop control and water flow switch state; the running state of the water chilling unit, start-stop control, control of a water chilling unit cooling water supply butterfly valve and control of a chilled water supply butterfly valve of the water chilling unit; chilled water supply and return water temperature, pressure, water supply flow, running state of a chilled water pump, fault alarm, manual/automatic state, water flow switch state, start-stop control of the chilled water pump and pressure difference adjustment of the chilled water supply and return water.
5. The power distribution cabinet with operating environment monitoring of claim 1, wherein the heat source monitoring unit monitors and controls the following: primary side hot water temperature, steam temperature, pressure, flow; a primary side hot water/steam regulating valve of the heat exchanger is controlled; the hot water circulating pump is in an operating state, a fault alarm, a manual/automatic state and a water flow switch state; starting and stopping control of a hot water circulating pump; the temperature, pressure and flow of the secondary side water supply and return water.
6. The power distribution cabinet with operating environment monitoring of claim 1, wherein the air conditioning system detection unit monitors and controls the following:
The temperature and humidity of fresh air, air supply and return air; a fresh air valve and a return air valve are controlled; a filter screen state; alarming the surface cooler at low temperature; adjusting a water valve; a fan differential pressure; fan running state, fault alarm, hand/automatic state; and (5) controlling the start and stop of the fan.
7. The power distribution cabinet with operation environment monitoring according to claim 1, wherein the water supply and drainage system detection unit monitors and controls the following: the water tank and the water pool are high in liquid level and low in liquid level; water pump running state, fault alarm, hand/automatic state; and (5) controlling the start and stop of the water pump.
8. The power distribution cabinet with operating environment monitoring of claim 1, wherein the elevator system monitoring unit and the power transformation and distribution system unit are only not monitored on a data monitoring terminal;
The monitoring content of the elevator system monitoring unit is as follows: elevator running state, elevator fault alarm, elevator ascending state and elevator descending state;
the monitoring content of the power transformation and distribution system unit is as follows: low voltage side voltage, current, power factor, frequency, etc.; overtemperature alarm of the transformer; the running state of the low-voltage breaker and the fault alarm; and (5) automatically calculating active power and reactive power, and counting the electricity consumption of each loop.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410443535.XA CN118040504A (en) | 2024-04-13 | 2024-04-13 | Power distribution cabinet with operation environment monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410443535.XA CN118040504A (en) | 2024-04-13 | 2024-04-13 | Power distribution cabinet with operation environment monitoring function |
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| CN203135226U (en) * | 2013-03-19 | 2013-08-14 | 朝阳当凯电力开关有限公司 | Three-stage distribution box |
| CN104515922A (en) * | 2013-09-26 | 2015-04-15 | 青岛鸿森重工有限公司 | Power supply supervision apparatus for construction machinery |
| CN209608393U (en) * | 2018-12-10 | 2019-11-08 | 新疆信息产业有限责任公司 | Power distribution cabinet running environment monitoring device |
| DE202022106841U1 (en) * | 2022-03-23 | 2023-01-16 | China Railway No.10 Engineering Group Co., Ltd. | Quick-connect type three-tier junction box |
| CN117768509A (en) * | 2023-12-29 | 2024-03-26 | 领航产业技术研究院(山东)有限公司 | Handheld data monitoring terminal |
| CN117825786A (en) * | 2023-12-11 | 2024-04-05 | 国网浙江新兴科技有限公司 | Distribution abnormality level analysis method, device and storage medium |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203135226U (en) * | 2013-03-19 | 2013-08-14 | 朝阳当凯电力开关有限公司 | Three-stage distribution box |
| CN104515922A (en) * | 2013-09-26 | 2015-04-15 | 青岛鸿森重工有限公司 | Power supply supervision apparatus for construction machinery |
| CN209608393U (en) * | 2018-12-10 | 2019-11-08 | 新疆信息产业有限责任公司 | Power distribution cabinet running environment monitoring device |
| DE202022106841U1 (en) * | 2022-03-23 | 2023-01-16 | China Railway No.10 Engineering Group Co., Ltd. | Quick-connect type three-tier junction box |
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