CN218413262U - Control box applied to data center - Google Patents

Abstract

The utility model discloses a be applied to data center's control box, include: the device comprises a case, and a control panel and a power module which are arranged in the case. The power module is used for supplying power to the control panel and the electric equipment connected with the control panel. The control panel is provided with a main control module, a DI interface, a DO interface, an industrial personal computer communication interface, a temperature and humidity sensor interface, an asset detection interface and a storage battery acquisition module interface. The main control module is used for carrying out data transmission on the equipment correspondingly connected with each interface respectively and transmitting the acquired data to an external industrial personal computer. This application is through this kind of setting, and unified by the equipment of control box connection extension and to the consumer power supply of connecting, has avoided the complicated wiring of data center infrastructure control, reduces the U bit space that extra independent industrial power source occupy the frame.

Description

Control box applied to data center

Technical Field

The utility model relates to a data center infrastructure control technical field especially relates to a be applied to data center's control box.

Background

Modularization, edge data center miniaturization and commercialization of data centers are a trend of current machine room construction, and various modularized data centers are emerging in the market, including data centers based on cabinets as units, and product forms such as single cabinets, multi-connected cabinets and micro-modules. The data center of each form, no matter the size and the scale, is an independent and complete individual, and has few basic power and environment monitoring equipment, fire fighting sensors and various execution mechanisms inside, and the equipment needs to be powered, managed and maintained; the modular data center fully compresses and utilizes the space in the cabinet, so that innovative intelligent products are needed to manage monitoring and management of various infrastructures.

Infrastructure monitoring of a modular data center in the market at present is usually distributed, each device is independently connected to a port of an upper monitoring host (industrial personal computer) in a pull-cord mode, and the industrial personal computer expands different types of DI and DO modules externally under the condition that port resources are insufficient and is used for expanding and connecting a certain number of DI and DO devices. Typically, DI and DO devices are classified according to port type, each type requires a separate module for expansion and an additional industrial switching power supply for power supply. Besides the state quantities of DI and DO, intelligent bus interfaces, such as port resources of RS485 and RS232, need to be expanded, for example, a serial server is adopted, and a plurality of RS485 buses can be expanded for accessing various moving-ring intelligent sensor devices; and the serial server occupies the U-bit space of the independent rack because the equipment needs an independent industrial power supply for power supply, which causes the waste of equipment installation space and complicated wiring. Therefore, the infrastructure monitoring of the existing data center has the problems of high expansion difficulty and more occupied U-bit space of the rack.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a be applied to data center's control box to there is the expansion degree of difficulty height, takes up the problem in more frame U bit space in the infrastructure control of solving current data center.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a control box applied to a data center comprises: the device comprises a case, a control panel and a power module, wherein the control panel and the power module are arranged in the case;

the power module is electrically connected with the control board and is used for supplying power to the control board and electric equipment connected with the control board;

the control panel is provided with a main control module, a DI interface, a DO interface, an industrial personal computer communication interface, a temperature and humidity sensor interface, an asset detection interface and a storage battery acquisition module interface, and the main control module is respectively and electrically connected with the DI interface, the DO interface, the industrial personal computer communication interface, the temperature and humidity sensor interface, the asset detection interface and the storage battery acquisition module interface;

the main control module is used for carrying out data transmission on the equipment correspondingly connected with each interface respectively and transmitting the acquired data to an external industrial personal computer.

Further, the power supply module comprises at least one industrial switching power supply outputting power of 35W, 45W, 50W, 60W, 75W and 100W, and the number of the industrial switching power supplies is at least one.

Furthermore, industrial computer communication interface is including adopting the cascade input interface and the cascade output interface of Modbus RTU agreement, cascade input interface is used for connecting the upper level be applied to data center's control box, cascade output interface is used for connecting the next level be applied to data center's control box or industrial computer.

Furthermore, the control panel still is provided with the RS485 switching mouth of 3 passageways, the RS485 switching mouth with cascade input interface connection.

Further, the temperature and humidity sensor interface and the asset detection interface are both RS485 communication interfaces, and the RS485 communication interfaces are provided with power supply pins;

the interface of the storage battery acquisition module is an XBUS interface, and the XBUS interface is provided with a power supply pin.

Further, the control panel still is provided with three-color lamp area interface, three-color lamp area interface with the host system electricity is connected, three-color lamp area interface is provided with power supply pin and three-color control pin.

Furthermore, the control panel is also provided with a water immersion detection module for acquiring a water immersion detection signal of digital quantity or analog quantity;

the water logging detection module includes: the device comprises a first resistor patch position, a second resistor patch position, a third resistor patch position, a first resistor, a second resistor, a third resistor, a fourth resistor, a water immersion sensor interface, a comparator, a first optical coupler isolator and a water immersion sensitivity dial switch;

the output end of the first optical coupler isolator is electrically connected with the main control module, the positive electrode of the input end of the first optical coupler isolator is connected with the output end of the comparator, and the negative electrode of the input end of the first optical coupler isolator is respectively connected with one end of the second resistor patch position and one end of the third resistor patch position;

one end of the first resistor patch position is connected with the power supply module, the other end of the first resistor patch position is connected with the positive electrode of the input end of the first optocoupler isolator, the other end of the second resistor patch position is connected with the water sensor interface, the other end of the third resistor patch position is grounded, one end of the fourth resistor is connected with the water sensor interface, the other end of the fourth resistor is grounded and connected with the non-inverting input end of the comparator, and the inverting input end of the comparator is connected with the water immersion sensitivity dial switch;

the first resistor patch bit is configured with the first resistor when acquiring the water immersion detection signal of digital quantity and configured as a blank patch when acquiring the water immersion detection signal of analog quantity;

the second resistor pad bit is configured with the second resistor when acquiring the water-logging detection signal of digital quantity and configured as a dummy pad when acquiring the water-logging detection signal of analog quantity;

the third resistor pad bit is configured to be a dummy pad when acquiring the water-logging detection signal of a digital quantity and configured to be the third resistor when acquiring the water-logging detection signal of an analog quantity.

Furthermore, the control panel is also provided with a multiplexing key electrically connected with the main control module, and the multiplexing key is used for sending a first multiplexing signal and a second multiplexing signal to the main control module;

and the main control module restores factory setting operation on the control box according to the first multiplexing signal, or automatically addresses the equipment correspondingly connected with the temperature and humidity sensor interface and the storage battery acquisition module interface according to the second multiplexing signal.

Furthermore, the control panel is also provided with a first fuse and a second optical coupler isolator;

one end of the first fuse is connected with the power supply module, and the other end of the first fuse is connected with the DI interface;

the positive pole of second optical coupler isolator connects power module, the negative pole of second optical coupler isolator is connected the DI interface, the output of second optical coupler isolator is connected main control module.

Furthermore, the control panel is also provided with a first field effect transistor, a third optocoupler isolator, a second fuse and a diode;

the input end of the third optical coupler isolator is connected with the main control module, the positive electrode of the output end of the third optical coupler isolator is connected with the grid electrode of the first field effect transistor, and the negative electrode of the output end of the third optical coupler isolator is grounded;

one end of the second fuse is connected with the power supply module, the other end of the second fuse is respectively connected with the source electrode of the first field effect transistor and the grid electrode of the first field effect transistor, and the drain electrode of the first field effect transistor is connected with the DO interface;

the anode of the diode is grounded, and the cathode of the diode is connected with the drain electrode of the first field effect transistor.

The beneficial effects of the utility model reside in that: the control box is provided with interfaces for connecting all required equipment and expansion equipment, data transmission is carried out on equipment correspondingly connected with all the interfaces through the main control module, and power is supplied to connected electric equipment through the power module. The main control module also transmits the acquired data to an industrial personal computer so as to realize the monitoring of data center infrastructure. This application is through this kind of setting, unifiedly by the equipment that the control box connects the extension and to the consumer power supply of connecting, has avoided the complicated wiring of data center infrastructure control, reduces the U bit space that extra independent industrial power source took the frame.

Drawings

Fig. 1 is a schematic block diagram of a control box according to an embodiment of the present invention;

fig. 2 is a system block diagram of infrastructure monitoring of a data center according to an embodiment of the present invention;

fig. 3 is another schematic block diagram of a control box according to an embodiment of the present invention;

fig. 4 is a schematic block diagram of a power module according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a control circuit of an LED indicator light of the communication interface of the industrial personal computer in the embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a water immersion detection module according to an embodiment of the present invention;

fig. 7 is another schematic circuit diagram of a water immersion detection module according to an embodiment of the present invention;

fig. 8 is a schematic diagram of an input circuit of a DI interface according to an embodiment of the present invention;

fig. 9 is a schematic diagram of an output circuit of a DO interface according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a front panel of the control box according to the embodiment of the present invention;

fig. 11 is a schematic structural diagram of a rear panel of the control box according to an embodiment of the present invention.

Description of the reference symbols:

10. an industrial personal computer; 20. a control box; 30. a temperature and humidity sensor; 40. an asset detection terminal; 50. a storage battery acquisition module; 60. a DI device; 70. a DO device; 80. a three-color light strip; 100. a case; 200. a control panel; 210. a main control module; 220. a DI interface; 230. a DO interface; 240. an industrial personal computer communication interface; 241. A cascade input interface; 242. a cascade output interface; 250. a temperature and humidity sensor interface; 260. an asset detection interface; 270. a storage battery acquisition module interface; 281. an RS485 switching port; 282. the three-color lamp band is connected; 283. multiplexing keys; 284. a power indicator light; 285. a working state indicator light; 286. an equipment address dial switch; 287. a power supply interface of the group current acquisition module; 290. a water immersion detection module; 291. a water immersion sensor interface; 292. a comparator; 293. a water immersion sensitivity dial switch; 294. a first resistor pad bit; 295. A second resistor pad bit; 296. a third resistor pad bit; 300. and a power supply module.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Examples

Referring to fig. 1 to 11, an embodiment of the present invention is:

referring to fig. 1,2, 10 and 11, a control box 20 applied to a data center includes a 1U box 100, specifically, a 19-inch rack-type box 100 of 1U standard manufactured by a sheet metal process, which can be installed on a rack or a cabinet of the data center. The control box 20 further includes a control board 200 and a power module 300 disposed in the housing 100. The power module 300 is electrically connected to the control board 200, and the power module 300 is configured to supply power to the control board 200 and the electric device connected to the control board 200. The control panel 200 is provided with a main control module 210, a DI interface 220, a DO interface 230, an industrial personal computer communication interface 240, a temperature and humidity sensor interface 250, an asset detection interface 260 and a storage battery acquisition module interface 270, wherein the main control module 210 is electrically connected with the DI interface 220, the DO interface 230, the industrial personal computer communication interface 240, the temperature and humidity sensor interface 250, the asset detection interface 260 and the storage battery acquisition module interface 270, respectively. The main control module 210 is configured to perform data transmission with the devices correspondingly connected to the respective interfaces, and transmit the acquired data to an external industrial personal computer 10.

The working principle of the control box 20 of the present embodiment is as follows: the control box 20 includes several interfaces for connecting external devices, for example, a DI interface 220 is used for connecting a DI device 60, a DO interface 230 is used for connecting a DO device 70, an industrial computer communication interface 240 is used for connecting an industrial computer 10, a temperature and humidity sensor interface 250 is used for connecting a temperature and humidity sensor 30, an asset detection interface 260 is used for connecting an asset detection terminal 40, and a battery collection module interface 270 is used for connecting a battery collection module 50. The main control module 210 performs data transmission with the correspondingly connected devices through each interface, and supplies power to the connected electric devices through the power module 300. Illustratively, the main control module 210 transmits digital quantity signals through the DI interface 220 and the DO interface 230, acquires temperature and humidity detection signals through the temperature and humidity sensor interface 250, acquires asset information through the asset detection interface 260, acquires battery parameter signals through the battery acquisition module interface 270, and transmits digital input signals, temperature and humidity detection signals, asset information, and battery parameter signals to the external industrial personal computer 10 through the industrial personal computer communication interface 240. The power module 300 is electrically connected to the control board 200 and supplies power to the consumer through an interface for connecting the consumer. The DI device 60 includes an infrared sensor, a smoke sensor, a door magnet, a water sensor, etc., and the DO device 70 includes an electric lock, an audible and visual alarm, a lighting, a skylight magnetic lock, etc.

It can be understood that, in this embodiment, the control box 20 is used to connect the extended devices and supply power to the connected electric devices, so as to avoid complex wiring of data center infrastructure monitoring, reduce the U-bit space occupied by the additional independent industrial power source, and facilitate installation and connection of the extended devices. In addition, compared with the existing data center infrastructure monitoring that the industrial switching power supply is arranged in the cabinet and complicated wiring is adopted, the power supply module 300 is arranged in the case 100 in the embodiment, which is beneficial to improving the infrastructure monitoring security of the data center.

Referring to fig. 4, optionally, the power module 300 includes at least one industrial switching power supply outputting power of 35W, 45W, 50W, 60W, 75W, and 100W, and the number of the industrial switching power supplies is at least one. The power module 300 in the control box 20 not only supplies power to the control board 200, but also supplies power to various sensors and execution devices in the cabinet through interfaces, so that the installation space and wiring complexity of the external device power supply are greatly simplified, and the power module 300 in the control box 20 is structurally compatible with the external device power supply, so that industrial power supplies with different power levels, such as 35W, 45W, 50W, 75W and 100W industrial switching power supplies, can be flexibly selected according to the power requirements of the external device, and all the power supplies output stable 12V direct current power supply, and can meet the power supply of various sensor devices in the cabinet.

Illustratively, the present embodiment employs two industrial switching power supplies, which are respectively connected to 220V ac power or 240V dc power, and are transformed into 12V dc power by rectification and transformation, and part of the 12V dc power is transformed into 5V dc power by transformation, so as to satisfy the power supply requirements of the control board 200 and the external power consumption device.

It can be understood that the power module 300 supports a single industrial switching power supply and a dual industrial switching power supply, implements the functions of redundant backup and load balancing of power input, and improves the stability of power supply of the device.

Referring to fig. 3, in particular, the industrial personal computer communication interface 240 includes a cascade input interface 241 and a cascade output interface 242 which adopt a Modbus RTU protocol, the cascade input interface 241 is used for connecting the control box 20 applied to the data center at the upper stage, and the cascade output interface 242 is used for connecting the control box 20 applied to the data center or the industrial personal computer 10 at the lower stage. The cascade input interface 241 and the cascade output interface 242 both use RJ45 connectors.

The main control module 210 in this embodiment adopts a Cotex M series chip of ARM, and has at least 3 UART (Universal Asynchronous Receiver/Transmitter ) serial ports and a plurality of GPIO ports for communication and DI, DO extension, where the UART1 serial port is used as an industrial computer communication interface 240, and is responsible for communication with an industrial computer 10, and adopts a standard Modbus RTU protocol, and 1 to 15 control boxes 20 can be accessed on a bus, and through cascading the plurality of control boxes 20, the monitoring capability of a data center is improved.

The 8 core wires of the RJ45 connector are combined and distributed with 4 RS485 buses of the industrial personal computer 10 according to the wire sequence 1 and 2, 3 and 6, 4 and 5, 7 and 8 of 4 twisted pairs, wherein 1 bus is used for cascading 1-15 intelligent control boxes 20; the other 3 buses are used for expanding and accessing other types of intelligent devices, and data of the intelligent devices are directly sent to the bus of the upper monitoring host without passing through the intelligent control box 20. The 8PIN lines of the two seats of the RJ45 are completely and directly connected, and the yellow and green LED lamps on the seats are designed as data receiving and transmitting status indicator lamps of the RS485 communication of the intelligent control box 20, wherein yellow is a data transmitting indication of the intelligent control box 20, and green is a data receiving indication of the control box 20.

It can be understood that the control box 20 has the capability of autonomously collecting the status of various types of connected DI devices 60 and intelligent sensor data, and has the function of performing associated driving on the DO devices 70 in the cabinet according to preset control logic and associated logic. This autonomous acquisition and associated logic control approach allows the control box 20 to be intelligent, not only as an extension of the port, but also has the basic capability of operating independently without an upper monitoring host. Therefore, the situation that the port control state cannot be executed and updated due to RS485 communication interruption in a simple port expansion device scheme can be avoided.

In addition, the control box 20 also supports intelligent devices of specific proprietary communication protocols accessed into the cabinet, such as a storage battery monitoring acquisition module (including an internal resistance acquisition module and a current acquisition module), an intelligent temperature and humidity module, and an asset detection terminal 40 product, wherein the specific devices adopt a standard Modbus RTU protocol or a proprietary protocol, and communicate with the intelligent control box 20 through an RS485 bus, and the intelligent control box 20 needs to convert the specific protocols and then transmit the converted protocols through the Modbus RTU protocol of the RS485 standard of a northbound interface, so that the control box 20 of the embodiment also has functions of performing protocol analysis, data conversion, data caching and the like on transmission data of part of the devices; therefore, the intermediate waiting time of the industrial personal computer 10 during data acquisition of various devices can be greatly reduced, and the data acquisition efficiency is improved.

Referring to fig. 5, the control board 200 is further provided with a transceiver indicator lamp control circuit of the RJ45 connector, and the transceiver indicator lamp control circuit includes a second field effect transistor Q2, a third field effect transistor Q3, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, and an eighth resistor R8. The gate of the second field effect transistor Q2 is connected to the main control module 210, the source of the second field effect transistor Q2 is connected to the input voltage, the drain of the second field effect transistor Q2 is connected to one end of the fifth resistor R5 and one end of the sixth resistor R6, respectively, the other end of the fifth resistor R5 is connected to the yellow LED lamp of the cascade input interface 241, and the other end of the sixth resistor R6 is connected to the yellow LED lamp of the cascade output interface 242. The gate of the third field-effect transistor Q3 is connected to the main control module 210, the source of the third field-effect transistor Q3 is connected to the input voltage, the drain of the third field-effect transistor Q3 is connected to one end of the seventh resistor R7 and one end of the eighth resistor R8, respectively, the other end of the seventh resistor R7 is connected to the green LED lamp of the cascade input interface 241, and the other end of the eighth resistor R8 is connected to the green LED lamp of the cascade output interface 242.

It can be understood that 1 field effect transistor and 2 current-limiting resistors are adopted and divided into 2 branches to simultaneously drive LED indicator lamps on 2 cascade RJ45 connectors, the LED lamps with the same color are controlled by 1 MOS transistor, a grid control end of the LED lamps is connected with a TX signal and an RX signal of a UART, and the corresponding LED indicator lamps are driven through the high-low state of the LED lamps, so that the receiving and transmitting states are reflected, and the LED indicator lamps of the two RJ45 connectors synchronously flash.

Referring to fig. 11, optionally, the control board 200 is further provided with a 3-channel RS485 adapter 281, and the RS485 adapter 281 is connected to the cascade input interface 241.

In this embodiment, the control box 20 provides a physical line switching channel of the 3-way RS485 bus for switching the RS485 bus signal of the monitoring host, but does not have a communication logic relationship with the internal control board 200, and is directly connected to other independent intelligent devices externally, and data does not pass through the control board 200, so as to facilitate the bus connection and the device access of the monitoring host. The RS485 interface 281 includes terminals with 6 pins and 5.08mm intervals, and is divided into 3 groups of RS485 a and B lines, which can be used to access UPS and smart devices, and its communication signal has no direct association with the control box 20, and is derived from 3 bus signals tapped from the cascade interface of the industrial personal computer communication interface 240, in fact, from 3 buses of the industrial personal computer 10.

Referring to fig. 3, specifically, the temperature and humidity sensor interface 250 and the asset detection interface 260 are both RS485 communication interfaces, and each RS485 communication interface is provided with a power supply pin. The battery collection module interface 270 is an XBUS interface, which is provided with power supply pins. The temperature and humidity sensor interface 250 and the asset detection interface 260 both adopt RJ45 connectors, the storage battery acquisition module interface 270 adopts 2 RJ11 connectors, and the XBUS is used for being connected to the storage battery acquisition module 50 and is divided into an input interface and an output interface, so that automatic addressing of the storage battery acquisition module 50 is realized in a cascading mode; the RJ11 connector uses a 6PIN socket, and the signals are defined as 12V, GND, TX, RX, address lines IN (or OUT), and GND, respectively.

In this embodiment, the UART2 serial port of the main control module 210 is used as the temperature and humidity sensor interface 250 and the asset detection interface 260, and communicates with the temperature and humidity sensor 30 and the asset detection terminal 40; the number of the accessed slave machines is set to be 1-6 intelligent temperature and humidity sensors 30 and 1 intelligent asset detection terminal 40 by default. In addition to providing a communications bus, the control box 20 also provides 12V POE power to the accessed device, with both the communications and power lines being integrated into the connection wires of the RJ45 connector. The UART3 serial port of the main control module 210 serves as a storage battery acquisition module interface 270 and is responsible for accessing a storage battery internal resistance acquisition module and a current acquisition module, a private XBUS communication protocol is adopted, the control panel 200 needs to analyze and convert the private protocol, and data transmitted by the private XBUS protocol is converted into a standard Modbus RTU protocol and is transmitted to the industrial personal computer 10 through the industrial personal computer communication interface 240 in a unified manner. In addition to providing a communications bus, the control box 20 also provides 12V POE power to the accessed device, with both communications and power lines integrated into the 6PIN RJ11 connector connection, providing up to 80 knots of 12V, 500mA power supply requirements for the battery collection module 50.

Referring to fig. 3 and 11, optionally, the control board 200 is further provided with a three-color lamp strip interface 282, the three-color lamp strip interface 282 is electrically connected to the main control module 210, and the three-color lamp strip interface 282 is provided with a power supply pin and a three-color control pin.

Wherein, three-colour lamp area 80 that three-colour lamp area interface 282 connects adopts and is altogether positive pole lamp area, inputs 12V power supplies to being altogether positive pole by the power supply pin, and three-colour control pin includes R respectively, G, the three control pin of B, controls the break-make of three kinds of colours respectively, realizes putting out the mixed display effect of control and realization polychrome to lighting in lamp area. The control box 20 of this embodiment also supports linkage three-color lamp strip 80 to display when opening the door or human infrared identification.

Referring to fig. 11, the control box 20 of the present embodiment further includes a power indicator 284 and a working status indicator 285, and the main control module 210 controls the power indicator 284 and the working status indicator 285 independently. The power indicator 284 is normally on after the power is turned on, and the operating status indicator 285 is configured with a plurality of display statuses, including normally on, slow flashing (0.5 Hz), fast flashing (2 Hz), and extinguished, which correspond to four service statuses, namely, program hang-up, program normal operation, device automatic addressing, and device failure, respectively.

Optionally, the control board 200 is further provided with a multiplexing button 283 electrically connected to the main control module 210, where the multiplexing button 283 is used to send a first multiplexing signal and a second multiplexing signal to the main control module 210. The main control module 210 performs factory reset operation on the control box 20 according to the first multiplexing signal, or automatically addresses the devices correspondingly connected to the temperature and humidity sensor interface 250 and the storage battery acquisition module interface 270 according to the second multiplexing signal.

Illustratively, the first multiplexing signal is that the multiplexing button 283 is pressed for a long time (the pressing time is greater than or equal to 3 seconds), and when the multiplexing button 283 is pressed for a long time, the control board 200 executes factory reset configuration through the main control module 210, and resets the built-in setting parameters to a factory state; the second multiplexing signal is that the multiplexing button 283 is pressed for a short time (the pressing time is more than 1 second and less than 3 seconds), the multiplexing button 283 is pressed for a short time, the control board 200 automatically addresses the sensor device with RS485, and the device addresses are automatically allocated to the temperature and humidity sensor 30 and the storage battery acquisition module 50.

It can be understood that the control board 200 is internally provided with a bus automatic addressing function for various intelligent devices, integrates sequential automatic addressing supporting various devices, quickly identifies a plurality of sub-devices accessed into the control box 20, and greatly improves the engineering installation and debugging efficiency of the devices.

Referring to fig. 6 and 7, optionally, the control board 200 is further provided with a water immersion detection module 290 for acquiring a water immersion detection signal of a digital quantity or an analog quantity. The water immersion detecting module 290 includes: first resistance patch bit 294, second resistance patch bit 295, third resistance patch bit 296, first resistance R1, second resistance R2, third resistance R3, fourth resistance R4, water logging sensor interface 291, comparator 292, first opto-isolator U1, and water logging sensitivity dip switch 293. The output of first opto-isolator U1 with the master control module 210 electricity is connected, the input positive pole of first opto-isolator U1 with comparator 292's output is connected, first opto-isolator U1's input negative pole is connected respectively the one end of second resistance paster position 295 and the one end of third resistance paster position 296. One end of the first resistor pad bit 294 is connected to the power module 300, the other end of the first resistor pad bit 294 is connected to the positive electrode of the input end of the first opto-isolator U1, the other end of the second resistor pad 295 is connected to the water sensor interface 291, the other end of the third resistor pad 296 is grounded, one end of the fourth resistor R4 is connected to the water sensor interface 291, the other end of the fourth resistor R4 is grounded and connected to the non-inverting input end of the comparator 292, and the inverting input end of the comparator 292 is connected to the water immersion sensitivity dial switch 293. The first resistance patch bit 294 is configured to be configured with the first resistance R1 when acquiring the water immersion detection signal of a digital quantity, and to be configured as a dummy patch when acquiring the water immersion detection signal of an analog quantity. The second resistance pad bit 295 is configured to be configured with the second resistance R2 when acquiring the water immersion detection signal of a digital quantity and configured to be a blank pad when acquiring the water immersion detection signal of an analog quantity. The third resistor pad bit 296 is configured to be a blank pad when acquiring the water-logging detection signal of digital quantity, and configured with the third resistor R3 when acquiring the water-logging detection signal of analog quantity.

It is understood that water sensor interface 291 may be an interface for a DI-type or AI-type water sensor. When the water logging detection signal of the digital quantity is accessed, the 1 st, 2 nd and 3 rd pins of the water logging sensor interface 291 can be connected with a DI type water logging sensor, at the moment, the first resistor R1 is arranged in the first resistor patch position 294 and is accessed into the circuit, the second resistor R2 is arranged in the second resistor patch position 295 and is accessed into the circuit, the third resistor patch position 296 is attached in an empty state, and the water logging detection signal of the digital quantity is directly transmitted to the main control module 210 through the first optocoupler isolator U1 and is identified by the main control module 210.

When the water logging detection signal of the analog quantity is accessed, the pins 2 and 3 of the water logging sensor interface 291 can be connected with the AI water leakage rope, at this time, the first resistor patch position 294 and the second resistor patch position 295 are both attached in an empty state, the third resistor R3 is arranged on the third resistor patch position 296 and is accessed into the circuit, and the third resistor R3 is a resistor with a resistance value of 0 ohm. The water logging detection signal of analog quantity divides voltage with fourth resistance R4, voltage signal after the partial voltage is as the positive terminal input of comparator 292, compare with the reference voltage that water logging sensitivity dial switch 293 corresponds the gear and provides, reach certain voltage threshold range when the water logging impedance, trigger comparator 292 upset, the high level signal of output of comparator 292, thereby drive first opto-isolator U1, send high level signal to main control module 210, main control module 210 detects the state of leaking according to high level signal. The water immersion sensitivity dial switch 293 can provide high, medium and low water immersion sensitivities, the water immersion sensitivity dial switch 293 defines a gear in a binary mode, 11 represents a high-gear water immersion sensitivity, 01 or 10 represents a medium-gear water immersion sensitivity, 00 represents a low-gear water immersion sensitivity, and the main control module 210 configures a comparison reference voltage of the main control module to the water leakage rope by detecting the state of the dial, so that the sensitivity of the main control module is adjusted.

It can be understood that the embodiment also integrates a water logging detection function based on analog quantity acquisition detection, and solves the problem of high cost of the traditional scheme that a special water logging sensor device needs to be accessed externally. In this embodiment, the analog quantity state detection of the regional water leakage can be realized only by directly connecting the two-wire water leakage rope, and meanwhile, the sensitivity of the water leakage can be adjusted by setting 3 gears. The effect of this function is to reduce the cost of the equipment to the utmost extent and simplify the installation and wiring for the water leakage equipment. The embodiment realizes the compatibility of the water leakage detection equipment of two different types, namely DI and AI, and expands the access adaptability of the equipment.

Referring to fig. 10, optionally, the control box 20 is further provided with a device address dial switch 286, which can be divided into 15 device addresses of 0001 to 1111, and the master control module 210 collects the state of the device address dial switch 286 to set the device address of the current control box 20, which is beneficial to monitoring and managing a plurality of control boxes 20.

The present embodiment employs a 2-wire and 3-wire DI interface 220. The 2-wire system DI interface 220 has signal wires DI and GND, respectively, and the DI signal supports a high input of 0-12V, and the control box 20 recognizes the DI input as a high input when the DI level is higher than 0.7V, and recognizes the DI input as a low input otherwise. Here the two-wire DI is 12V powered without the control box 20, so this port is a separate 2-set 2-wire DI interface 220. A 3-wire system DI interface 220 with a signal wire sequence of 12V, DI and GND; the 3-wire system DI interface 220 requires the control box 20 to supply power to the corresponding connected DI device 60, with the DI signal input also being in the level range of 0-12V.

Referring to fig. 8, in order to ensure the power supply safety of the DI interface 220, optionally, the control board 200 is further provided with a first fuse F1 and a second optocoupler isolator U2. One end of the first fuse F1 is connected to the power module 300, and the other end of the first fuse F1 is connected to the DI interface 220. The positive pole of second opto-isolator U2 connects power module 300, the negative pole of second opto-isolator U2 is connected DI interface 220, the output of second opto-isolator U2 is connected main control module 210.

The first fuse F1 is a recoverable fuse, the control box 20 supplies power to the external DI device 60 and plays a role in current limiting protection, and the 2 nd pin of the 3-wire system DI interface 220 is used as an input pin of a DI signal and directly drives the second optical coupler isolator U2, so that the individual module in the house receives the DI signal and identifies the level state of the DI signal.

In this embodiment, a 2-wire DO interface 230 is adopted, and the signal wires are divided into DO + and DO-; the two signal lines can directly drive external equipment with direct current power supply for illumination, an electromagnetic lock and an audible and visual alarm lamp, and DO + provides 12V and 500mA driving capability, so that the external equipment can be directly powered. The 2-wire DO output is 6 total and is placed in 3 4-PIN terminals at 5.08mm pitch.

Referring to fig. 9, in order to ensure the power supply safety of the DO interface 230, optionally, the control board 200 is further provided with a first field effect transistor Q1, a third optocoupler isolator U3, a second fuse F2, and a diode D1. The input end of the third optocoupler isolator U3 is connected with the master control module 210, the positive electrode of the output end of the third optocoupler isolator U3 is connected with the grid electrode of the first field-effect tube Q1, and the negative electrode of the output end of the third optocoupler isolator U3 is grounded. One end of the second fuse F2 is connected to the power module 300, the other end of the second fuse F2 is connected to the source of the first field effect transistor Q1 and the gate of the first field effect transistor Q1, respectively, and the drain of the first field effect transistor Q1 is connected to the DO interface 230. The anode of the diode D1 is grounded, and the cathode of the diode D1 is connected with the drain electrode of the first field effect transistor Q1.

In this embodiment, the main control module 210 is connected to the negative terminal of the input end of the third optical coupler isolator U3, and when the main control module 210 outputs a low level, the third optical coupler isolator U3 is turned on and drives the first field-effect transistor Q1 to be turned on. The 3 rd pin of the DO interface 230 listens for 12V power from the japanese worker, and the second fuse F2 is a resettable fuse and performs overcurrent protection. When the DO interface 230 is connected to an inductive load, the diode D1 functions as a current freewheel when turned off to prevent damage to the devices on the circuit.

Referring to fig. 10 and fig. 11, optionally, the housing 100 includes a front panel and a rear panel, and the front panel is sequentially provided with a power indicator 284, a working status indicator 285, a multiplexing button 283, a water immersion sensitivity dial switch 293, a device address dial switch 286, a cascade input interface 241, and a cascade output interface 242. The rear panel is sequentially provided with an RS485 adapter 281,2 DI interfaces with 2 wire systems, 3 DI interfaces with 3 wire systems, 6 DO interfaces with 2 wire systems 230, a three-color lamp belt interface 282, a storage battery acquisition module input interface, a storage battery acquisition module output interface, a group current acquisition module power supply interface 287, a temperature and humidity sensor interface 250 and an asset detection interface 260. The group current collection module power supply interface 287 is a 2-pin socket for independently supplying power to the group current collection module.

To sum up, the utility model provides a be applied to data center's control box, the control box is unified to carry out data transmission and to the consumer power supply of connection to the equipment of connecting the extension, has avoided the complicated wiring of data center infrastructure control, reduces the U bit space that extra independent industrial power source occupy the frame, the erection joint of the extension equipment of being convenient for. In addition, compared with the existing data center infrastructure monitoring, the industrial switching power supply is arranged in the cabinet and adopts complex wiring, and the power supply module is arranged in the cabinet, so that the data center infrastructure monitoring safety is improved.

Furthermore, the industrial switching power supply in the control box is structurally compatible, and industrial power supplies with different power levels, such as 35W, 45W, 50W, 75W and 100W industrial switching power supplies, can be flexibly selected according to the power requirements of external equipment, so that the power supply of various sensing equipment in the cabinet can be met. The control box also has the basic capability of independent operation by being separated from the upper monitoring host, can avoid completely relying on the upper monitoring host, and can also avoid the situation that the port control state cannot be executed and updated due to RS485 communication interruption in a simple port expansion device scheme. The control box also has the functions of carrying out protocol analysis, data conversion, data caching and the like on transmission data of part of equipment; therefore, the intermediate waiting time of the upper monitoring host in the process of collecting various equipment data can be greatly reduced, and the data collection efficiency is improved.

In addition, the control box can be compatible with the input of the water logging detection signal of analog quantity or digital quantity, when the water logging detection signal of analog quantity is input, the state detection of regional water leakage can be realized only by accessing the two-line water leakage rope, and meanwhile, the water logging detection sensitivity can be adjusted by setting 3 gears. Therefore, the control box is adopted, so that the cost of the equipment is reduced to the greatest extent, and the installation and wiring for the water leakage equipment are simplified. The control box also supports automatic addressing of the sensor equipment, and greatly improves the engineering installation and debugging efficiency of the equipment. The control box is provided with the RS485 switching mouth, is favorable to inserting other independent smart machine. The power supply module can be adjusted and set according to actual needs, so that the functions of redundant backup and load balance of power supply input are realized, and the power supply stability of the equipment is improved.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. A control box applied to a data center is characterized by comprising: the control panel and the power module are arranged in the case;

the power module is electrically connected with the control board and used for supplying power to the control board and electric equipment connected with the control board;

the control panel is provided with a main control module, a DI interface, a DO interface, an industrial personal computer communication interface, a temperature and humidity sensor interface, an asset detection interface and a storage battery acquisition module interface, wherein the main control module is respectively and electrically connected with the DI interface, the DO interface, the industrial personal computer communication interface, the temperature and humidity sensor interface, the asset detection interface and the storage battery acquisition module interface;

the main control module is used for carrying out data transmission on the equipment correspondingly connected with each interface respectively and transmitting the acquired data to an external industrial personal computer.

2. The control box applied to the data center according to claim 1, wherein the power supply module comprises at least one industrial switching power supply outputting power of 35W, 45W, 50W, 60W, 75W and 100W, and the number of the industrial switching power supplies is at least one.

3. The control box applied to the data center according to claim 1, wherein the industrial personal computer communication interface comprises a cascade input interface and a cascade output interface which adopt a Modbus RTU protocol, the cascade input interface is used for connecting a control box applied to the data center at a previous stage, and the cascade output interface is used for connecting a control box applied to the data center or an industrial personal computer at a next stage.

4. The control box applied to the data center as claimed in claim 3, wherein the control panel is further provided with a 3-channel RS485 interface, and the RS485 interface is connected with the cascade input interface.

5. The control box applied to the data center according to claim 1, wherein the temperature and humidity sensor interface and the asset detection interface are both RS485 communication interfaces, and the RS485 communication interfaces are provided with power supply pins;

the interface of the storage battery acquisition module is an XBUS interface, and the XBUS interface is provided with a power supply pin.

6. The control box applied to the data center according to claim 1, wherein the control board is further provided with a tri-color lamp strip interface, the tri-color lamp strip interface is electrically connected with the main control module, and the tri-color lamp strip interface is provided with a power supply pin and a tri-color control pin.

7. The control box applied to the data center according to claim 1, wherein the control board is further provided with a water immersion detection module for acquiring a water immersion detection signal of a digital quantity or an analog quantity;

the water logging detection module includes: the sensor comprises a first resistor patch position, a second resistor patch position, a third resistor patch position, a first resistor, a second resistor, a third resistor, a fourth resistor, a water immersion sensor interface, a comparator, a first optical coupling isolator and a water immersion sensitivity dial switch;

the output end of the first optical coupler isolator is electrically connected with the main control module, the positive electrode of the input end of the first optical coupler isolator is connected with the output end of the comparator, and the negative electrode of the input end of the first optical coupler isolator is respectively connected with one end of the second resistor patch position and one end of the third resistor patch position;

one end of the first resistor patch position is connected with the power supply module, the other end of the first resistor patch position is connected with the positive electrode of the input end of the first optocoupler isolator, the other end of the second resistor patch position is connected with the water sensor interface, the other end of the third resistor patch position is grounded, one end of the fourth resistor is connected with the water sensor interface, the other end of the fourth resistor is grounded and connected with the non-inverting input end of the comparator, and the inverting input end of the comparator is connected with the water immersion sensitivity dial switch;

the first resistor patch bit is configured with the first resistor when acquiring the water immersion detection signal of digital quantity and configured as empty patch when acquiring the water immersion detection signal of analog quantity;

the second resistor pad bit is configured with the second resistor when acquiring the water-logging detection signal of digital quantity and configured as a dummy pad when acquiring the water-logging detection signal of analog quantity;

the third resistor pad bit is configured to be a dummy pad when acquiring the water-logging detection signal of a digital quantity and configured to be the third resistor when acquiring the water-logging detection signal of an analog quantity.

8. The control box applied to the data center according to claim 1, wherein the control board is further provided with a multiplexing key electrically connected with the main control module, and the multiplexing key is used for sending a first multiplexing signal and a second multiplexing signal to the main control module;

and the main control module performs factory setting restoration operation on the control box according to the first multiplexing signal, or automatically addresses the equipment correspondingly connected with the temperature and humidity sensor interface and the storage battery acquisition module interface according to the second multiplexing signal.

9. The control box applied to the data center according to claim 1, wherein the control board is further provided with a first fuse and a second optical coupler isolator;

one end of the first fuse is connected with the power supply module, and the other end of the first fuse is connected with the DI interface;

the positive pole of second opto-isolator connects power module, the negative pole of second opto-isolator is connected the DI interface, the output of second opto-isolator is connected main control module.

10. The control box applied to the data center according to claim 1, wherein the control board is further provided with a first field effect transistor, a third optical coupling isolator, a second fuse and a diode;

the input end of the third optical coupler isolator is connected with the main control module, the positive electrode of the output end of the third optical coupler isolator is connected with the grid electrode of the first field effect transistor, and the negative electrode of the output end of the third optical coupler isolator is grounded;

one end of the second fuse is connected with the power supply module, the other end of the second fuse is respectively connected with the source electrode of the first field effect transistor and the grid electrode of the first field effect transistor, and the drain electrode of the first field effect transistor is connected with the DO interface;

the anode of the diode is grounded, and the cathode of the diode is connected with the drain electrode of the first field effect transistor.

Images