CN212933740U

CN212933740U - Intelligent equipment monitor for machine room

Info

Publication number: CN212933740U
Application number: CN202021814229.6U
Authority: CN
Inventors: 贺舒庭; 陈远; 颜燕斌
Original assignee: Zhuo Zhensizhong Guangzhou Technology Co ltd
Current assignee: Zhuo Zhensizhong Guangzhou Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-09
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses an intelligent device watch-dog for computer lab, including electric quantity collection module, power module, net gape module, serial port module, be used for the communication module of warning, be used for controlling external device's external control module, be used for gathering the analog quantity collection module and the MCU control module of voltage and/or circuit, electric quantity collection module, power module, net gape module, serial port module, communication module, external control module and analog quantity collection module all are connected with MCU control module. The utility model discloses in control the external control equipment through external control module, monitor the electric current and the voltage that enter into the smart machine watch-dog through analog quantity collection module simultaneously, realize monitoring and control integration.

Description

Intelligent equipment monitor for machine room

Technical Field

The utility model relates to an electronic equipment field especially relates to an intelligent equipment watch-dog for computer lab.

Background

With the change of scientific and technological technology, the continuous development of information network technology, the sizes of various scales are different, and network equipment rooms with different equipment types and quantities are widely distributed in the areas where the user branch offices are located. Due to the lack of an operation and maintenance system symmetrical to a scale system of an operation network, changes of physical operation environment conditions, power distribution conditions, equipment operation conditions, personnel activity conditions and fire fighting conditions of numerous unattended machine rooms, including possible critical conditions, cannot be found and processed in time, and therefore the changes are difficult to effectively foresee, prevent and avoid. Therefore, the monitoring equipment is very important for monitoring the environment of the machine room.

However, the conventional monitoring equipment lacks an effective control means for the external equipment, and cannot remotely control the external equipment, so that the machine room cannot be unattended for a long time, and a large labor cost needs to be consumed in operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an intelligent device monitor for machine room, which can solve the problem that the traditional monitoring device can not carry out remote control on the external device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an intelligent device watch-dog for computer lab, includes electric quantity collection module, power module, net gape module, serial port module, is used for the communication module of warning, is used for controlling external device's external control module, is used for gathering the analog quantity collection module and the MCU control module of voltage and/or circuit, electric quantity collection module, power module, net gape module, serial port module, communication module, external control module and analog quantity collection module all are connected with MCU control module.

Preferably, the external control module comprises a first control circuit for connecting the external control device, the first control circuit comprises a relay driving chip U1, a relay K1 and a relay K2 for connecting the external control device, and the relay K1 and the relay K2 are both connected with the MCU control module through a relay driving chip U1.

Preferably, the external control module further includes a second control circuit for connecting an infrared controller, the second control circuit includes an infrared receiving chip U2, a capacitor C1, a transistor Q1, a resistor R11, a resistor R12 and a TVS tube T1, the power module is connected to a signal transceiving terminal VS of the infrared receiving chip U2, the signal transceiving terminal VS of the infrared receiving chip U2 is grounded through a capacitor C1, a signal output terminal OUT of the infrared receiving chip U2 is connected to an MCU control module alrc _ IN, the MCU control module alrc 1+ is connected to a collector of the transistor Q1 through a resistor R11, an anode of the TVS tube T1 is grounded, a cathode of the TVS tube T1 is connected to an MCU control module alrc 1+, an emitter of the transistor Q2 is connected to the power module, and a base of the transistor Q2 is connected to the MCU control module through a resistor 686r 8.

Preferably, the analog quantity acquisition module includes a plurality of analog quantity acquisition circuits externally connected with an electromagnetic inductor, each of the analog quantity acquisition circuits includes an inductor L1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R21, a resistor R22, a TVS tube T22, a fuse F22 and a signal amplifier U22, the electromagnetic inductor is connected with the negative electrode of the TVS tube T22 through the fuse F22, one end of the resistor R22 and the positive electrode of the TVS tube T22 are all grounded, one end of the resistor R22 and one end of the resistor R22 are both connected with the negative electrode of the TVS tube T22, the other end of the resistor R22 and the other end of the resistor R22 are both connected with one end of the resistor R22, the positive input end of the signal amplifier U22 and one end of the capacitor C22 are both connected with the input end of the resistor R22, the signal amplifier and the other end of the resistor R22 are both connected with the input end of the signal amplifier 22, the other end of the resistor R25 is connected with a detection end ADV1 of the MCU control module.

Preferably, the power module comprises a first output end and a second output end, the MCU control module, the network port module, the serial port module and the electric quantity acquisition module are connected with the first output end, and the communication module is connected with the second output end.

Preferably, the output voltage of the first output terminal is 3.3V, and the output voltage of the second output terminal is 5V.

Preferably, the electric quantity acquisition module comprises an acquisition circuit and an electric quantity metering circuit, the acquisition circuit comprises a plug connector J2, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a fuse F2, a voltage transformer J1, a capacitor C6, a capacitor C7, a capacitor C8 and a capacitor C9, the electric quantity metering circuit comprises an electric quantity chip U4 connected with the MCU control module, a pin ACV + of the plug connector J2 is connected with a positive electrode of a primary side of the voltage transformer J1 through a resistor R31, a pin ACV-of the plug connector J2 is connected with a negative electrode of a primary side of the voltage transformer J1, one end of the resistor R32 is connected with a positive electrode of a secondary side of the voltage transformer J1, the other end of the resistor R32, a negative electrode of a secondary side of the voltage transformer J1, one end of a resistor R33 and one end of the resistor R35, the other end of the resistor R33 is connected with the other end of the resistor R32, one end of the capacitor C6 and one end of the resistor R34 are both connected with the data acquisition end V3P of the electric quantity chip U4, the other end of the resistor R34 is connected with one end of the resistor R32, the other end of the capacitor C6 and one end of the capacitor C7 are both grounded, the other end of the resistor R35 and the other end of the capacitor C7 are both connected with the data acquisition end V3N of the electric quantity chip U4, the pin CA + of the plug-in connector J2 is connected with one end of the fuse F2, one end of the resistor R2 and one end of the resistor R2 are both connected with the other end of the fuse, the other end of the resistor R2 and one end of the capacitor C2 are both connected with the data acquisition end V2 2 of the electric quantity chip U2, the pin CA-, the other end of the resistor R2, one end of the resistor R2 and one end of the other end of the plug-in, the other end of the capacitor C8 and one end of the capacitor C9 are grounded, and the other end of the capacitor C9 and the other end of the resistor R39 are both connected with a data acquisition end V2N of the electric quantity chip U4.

Preferably, the resistor R31, the resistor R32, the resistor R33, the resistor R36 and the resistor R37 are all sampling resistors with high precision and low temperature drift.

Compared with the prior art, the beneficial effects of the utility model reside in that: the external control module comprises a first control circuit and a second control circuit, the first control circuit is used for being connected with external control equipment, the second control circuit is used for being connected with an infrared controller, the first control circuit controls the on-off of a power supply of the external control equipment such as a fan and audible and visual alarm to achieve the opening or closing of the external control equipment such as the remote control fan and audible and visual alarm, meanwhile, the second control circuit sends a control instruction to the air conditioner and a display screen which are provided with the external control equipment, the infrared receiver of the external control equipment can adjust the external control equipment, and the running conditions of the external control equipment such as the remote control air conditioner and the display screen are achieved.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent device monitor for a machine room according to the present invention.

Fig. 2 is a circuit diagram of the MCU control module according to the present invention.

Fig. 3 is a circuit diagram of a first control circuit according to the present invention.

FIG. 4 is a circuit diagram of an infrared receiving chip U2 according to the present invention,

Fig. 5 is a circuit diagram of a first control circuit according to the present invention.

Fig. 6 is a circuit diagram of the analog quantity acquisition module according to the present invention.

Fig. 7 is a circuit diagram of the dc voltage reduction circuit according to the present invention.

Fig. 8 is a circuit diagram of an energy supply conversion circuit according to the present invention.

Fig. 9 is a circuit diagram of a low dropout voltage regulator circuit according to the present invention.

Fig. 10 is a circuit diagram of a battery charging management circuit according to the present invention.

Fig. 11 is a circuit diagram of a backup power circuit according to the present invention.

Fig. 12 is a circuit diagram of a sampling circuit according to the present invention.

Fig. 13 is a circuit diagram of the electric quantity measuring circuit according to the present invention.

Fig. 14 is a circuit diagram of a communication module according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-14, an intelligent device monitor for a machine room comprises an electric quantity acquisition module for acquiring power consumption, a power module for automatically switching power supplies, a network port module for connecting an external network, a serial port module, a communication module for alarming, an external control module for controlling external devices, an analog quantity acquisition module for acquiring voltage and/or circuits, and an MCU control module, wherein the electric quantity acquisition module, the power module, the network port module, the serial port module, the communication module, the external control module, and the analog quantity acquisition module are all connected with the MCU control module. Preferably, the MCU control module includes a 32-bit ARM chip U6 internal integrated ROM of STM32F207VCT6, and a RAM, and has low power consumption, high operation speed, and stable performance, and specifically, the MCU control module further includes a capacitor C20, a capacitor C21, a crystal oscillator Y2, a resistor R61, a resistor R68, a resistor R69, a resistor R67, a resistor R66, a capacitor C22, a capacitor C23, a capacitor C24, a capacitor C25, a crystal oscillator Y3, a resistor R62, a capacitor C26, a capacitor C27, a capacitor C28, a resistor R63, a resistor R64, a key system reset key J4, a capacitor C29, a capacitor C30, a resistor R65, a chip U7, and a capacitor C31, and a specific connection relationship is shown in fig. 2.

The external control module comprises a first control circuit used for being connected with external control equipment, as shown in fig. 3, the first control circuit comprises a relay driving chip U1, a relay K1 and a relay K2 used for being connected with the external control equipment, and the relay K1 and the relay K2 are connected with the MCU control module through a relay driving chip U1. In this embodiment, the relay driver chip U1 makes the work of relay K1 and relay K2 more stable, relay K1 and relay K2 can be connected with external control devices such as external fans and audio-visual alarms, and the MCU control module controls the on-off of external controls such as external fans and audio-visual alarms by controlling the relay K1 and relay K2 through the relay driver chip U1.

Preferably, the external control module further includes a second control circuit for connecting the infrared controller, as shown IN fig. 4-5, the MCU control module controls the infrared controller to send a control command to an electrical device such as an air conditioner and the like through the second control circuit to control operation of the electrical device, specifically, the second control circuit includes an infrared receiving chip U2, a capacitor C1, a transistor Q1, a resistor R11, a resistor R12 and a TVS tube T1, the power module is connected to a signal transceiving terminal VS of the infrared receiving chip U2, the signal transceiving terminal VS of the infrared receiving chip U2 is grounded through the capacitor C1, a signal output terminal OUT of the infrared receiving chip U2 is connected to an MCU control module air rc _ IN, the MCU control module air rc1+ is connected to a collector of the transistor Q1 through the resistor R11, a positive electrode of the TVS tube T1 is grounded, a negative electrode of the TVS tube T1 is connected to an MCU control module air rc1+, an emitting electrode of the triode Q2 is connected with the power supply module, and a base electrode of the triode Q2 is connected with the MCU control module through a resistor R12.

In this embodiment, the analog quantity acquisition module includes a plurality of analog quantity acquisition circuits externally connected with an electromagnetic sensor, preferably, the analog quantity acquisition module includes 4 analog quantity acquisition circuits as shown in fig. 6, and externally connects 4 analog quantities, and can acquire voltage and current, specifically, the analog quantity acquisition circuit includes an inductor L1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a TVS tube T2, a fuse F1, and a signal amplifier U3, the electromagnetic sensor is connected with a negative electrode of the TVS tube T2 through a fuse F1, one end of the resistor R9, one end of the resistor R24, and a positive electrode of the TVS tube T2 are all grounded, one end of the resistor R21 and one end of the resistor R23 are both connected with a negative electrode of the TVS tube T2, the other end of the resistor R6867 and one end of the resistor R24 2 are both connected with a positive electrode 26, the signal amplifier U3's forward input end and the one end of electric capacity C5 all are connected with the other end of resistance R26, the other end ground connection of electric capacity C5, the output and the reverse direction input of signal amplifier U3 all are connected with the one end of resistance R25, the other end and the detection end ADV1 of MCU control module of resistance R25 are connected. In the embodiment, 12-bit precision ADC sampling is adopted, and meanwhile, the module has functions of current overcurrent protection and voltage overvoltage protection, so that circuit elements are prevented from being burnt out.

Preferably, the power module comprises a direct current voltage reduction circuit for connecting an external power supply, a low dropout voltage regulator circuit for outputting a stable voltage, an energy supply conversion circuit for switching a power supply, a backup power circuit for providing a backup power supply for the intelligent device monitor and a storage battery, a first input end of the energy supply conversion circuit and a power end of the communication module are both connected with an output end of the direct current voltage reduction circuit, a second input end of the energy supply conversion circuit is connected with the storage battery, an output end of the energy supply conversion circuit is connected with an input end of the low dropout voltage regulator circuit, and a power end of the electric quantity acquisition module, a power end of the network interface module, a power end of the external control module, a power end of the analog quantity acquisition module and a power end of the MCU control module are all connected with an output end of.

In this embodiment, the smart device monitor may be powered by an external 12V DC power, and the 12V DC power is stepped down to 5V DC power by using a DC step-down circuit, specifically, as shown in fig. 7, the DC step-down circuit includes a DC-DC conversion chip U5, a fuse F3, a TVS tube T3, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, an inductor L4, and a zener diode D1, the external power source is connected to the negative electrode of the TVS tube T3 through the fuse F3, the positive electrode of the TVS tube T3 is grounded, one end of the capacitor C20 and the pin + VIN of the DC-DC conversion chip U5 are both connected to the negative electrode of the TVS tube T3, the other end of the capacitor C20, the positive electrode of the zener diode D2, the pin and the pin ON/OFF of the DC-DC conversion chip U5 are both grounded, the negative electrode of the pin put 4 of the DC-DC conversion chip U5 and the pin pul 4 are both connected to GND, the other end of the inductor L4, one end of the capacitor C21, one end of the capacitor C22, one end of the capacitor C23 and a first input end of the energy supply conversion circuit are all connected with a pin FEADBACK of the DC-DC conversion chip U5, and the other end of the capacitor C21, the other end of the capacitor C22 and the other end of the capacitor C23 are all grounded.

In this embodiment, the inside battery that is provided with of smart machine watch-dog, when the outage condition appears in the outside, accessible energy supply converting circuit automatic switch-over to battery power supply for the normal work of system is not influenced. As shown in fig. 8, the energy supply conversion circuit includes a relay K3, a resistor R51 and a resistor R52, the relay K3 includes a solenoid coil, a first fixed contact, a second fixed contact, a third fixed contact, a fourth fixed contact, a first movable contact and a second movable contact, the external power supply is grounded through the solenoid coil, one end of the first movable contact is grounded, the other end of the first movable contact is connected with one of the first fixed contact and the second fixed contact, one end of the second movable contact is connected with an input end of a low-voltage-difference voltage stabilizing circuit, the other end of the second movable contact is connected with one of the third fixed contact and the fourth fixed contact, an output end of the low-voltage-difference voltage stabilizing circuit is connected with one end of the resistor R51, the other end of the resistor R51 and a signal receiving end extpstate of the MCU control module are both connected with the second fixed contact, the third fixed contact is connected with the storage battery, and the fourth fixed contact is connected with an output end of the dc voltage, the resistor R52 is connected between the fourth fixed contact and the second movable contact. When the external power is on, the 12V dc power passes through the electromagnetic coil to generate an electromagnetic field, and the first movable contact is connected with the first fixed contact, the second movable contact is connected with the third fixed contact, so that the output end of the dc voltage reduction circuit is connected with the low-voltage-difference voltage stabilizing circuit, that is, the external 12V dc power directly supplies power to the smart device monitor, and charges the storage battery, preferably, the battery charging management circuit further includes a battery charging management circuit, as shown in fig. 10, the battery charging management circuit includes a battery charging management chip U7, the power supply conversion circuit is connected with the storage battery through a battery charging management chip U7, specifically, the battery charging management circuit further includes a capacitor C28, a capacitor C29, a capacitor C30, a resistor R53, a resistor R54 and a resistor R55, and the specific connection relationship is shown in fig. 10, the external 12V dc power supplies power to the smart device monitor, and meanwhile, the storage battery is supplied with power through the battery charging management circuit.

In this embodiment, most of the modules are powered by 3.3V dc power, so that the 5V dc power output by the battery or the dc voltage reduction circuit is converted into stable 3.3V dc power by the low-voltage-difference voltage stabilizing circuit, specifically, as shown in FIG. 9, the low dropout voltage regulator circuit comprises an LDO chip U6, a capacitor C24, a capacitor C25, a capacitor C26 and a capacitor C27, one end of a pin VI and a pin EN of the LDO chip U6 and one end of a capacitor C24 are connected with the output end of the energy supply conversion circuit, the other end of the capacitor C24 and a pin GND of the LDO chip U6 are both grounded, a pin BYP of the LDO chip U6 is connected with one end of the capacitor C25, one end of the capacitor C26 and one end of the capacitor C27 are both connected with the other end of the capacitor C25, and a pin VO of the LDO chip U6, the other end of the capacitor C26 and the other end of the capacitor C27 are connected with the output end of the low dropout voltage regulator circuit.

In this embodiment, a backup power circuit is further provided, when the smart device monitor is powered off, the backup power circuit may still continuously supply power to the virtual clock of the MCU control module, so as to ensure that the MCU control module can normally operate after being powered on, specifically, as shown in fig. 11, the backup power circuit includes a button battery J3, a diode D2, a diode D3 and a capacitor C31, which are used for supplying power to the virtual clock of the MCU control module, an output end of the low dropout voltage regulator circuit is connected to an anode of the diode D3, a cathode of the button battery J3 and one end of the capacitor C31 are all grounded, an anode of the button battery J3 is connected to the anode of the diode D2, and a cathode of the diode D2, a cathode of the diode D3 and the other end of the capacitor C32 are all connected to the virtual clock of the MCU control module. In this embodiment, when the power supply is normally switched on, the diode D3 is turned on, the diode D2 is turned off, the output end of the low dropout voltage stabilizing circuit supplies power to the virtual clock of the MCU control module, when the power failure occurs in the smart device monitor, the diode D3 is turned off, the diode D2 is turned on, and the button battery J3 supplies power to the virtual clock of the MCU control module.

In this embodiment, electric quantity acquisition module can insert the commercial power, carries out the collection of electric quantities such as frequency, voltage, electric current, active power, and is specific, electric quantity acquisition module is including the acquisition circuit who is used for connecting the commercial power and the electric quantity measurement circuit who is used for measuring the electric quantity, acquisition circuit passes through electric quantity measurement circuit and is connected with MCU control module.

Specifically, a differential input sampling circuit is adopted, so that the interference of common-mode noise to the circuit is eliminated, as shown in fig. 12, the acquisition circuit includes a plug connector J2, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a fuse F2, a voltage transformer J1, a capacitor C6 and a capacitor C6, a pin ACV + of the plug connector J6 is connected with a positive electrode of a primary side of the voltage transformer J6 through the resistor R6, a pin ACV-of the plug connector J6 is connected with a negative electrode of a primary side of the voltage transformer J6, one end of the resistor R6 is connected with a positive electrode of a secondary side of the voltage transformer J6, the other end of the resistor R6, a negative electrode of the secondary side of the voltage transformer J6, one end of the resistor R6 is connected with a resistor R6, one end of the capacitor C6 and one end of the resistor R34 are both connected with the electricity metering circuit, the other end of the resistor R34 is connected with one end of the resistor R32, the other end of the capacitor C6 and one end of the capacitor C7 are both grounded, the other end of the resistor R35 and the other end of the capacitor C7 are both connected with an electricity metering circuit, the pin CA + of the plug connector J2 is connected with one end of a fuse F2, one end of the resistor R36 and one end of the resistor R38 are both connected with the other end of the fuse, the other end of the resistor R38 and one end of the capacitor C8 are both connected with an electricity metering circuit, the other end of the pin CA-, the other end of the resistor R36, one end of the resistor R37 and one end of the resistor R39 of the plug connector J2 are all grounded, the other end of the resistor R37 is connected with the other end of the resistor R36, the other end of the capacitor C8 and one end of the capacitor C9 are grounded, the other end of the capacitor C9 and the other end of the resistor R39 are both connected with an electricity metering circuit.

Further, as shown in fig. 13, the electric quantity measuring circuit includes an electric quantity measuring chip U4, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, an inductor L2, a resistor R2 and a crystal oscillator Y2, a measuring end V3 2, a measuring end V2 2 and a measuring end V2 2 of the electric quantity measuring chip U2 are all connected to the acquisition circuit, one end of the capacitor C2 and one end of the capacitor C2 are all connected to an adjusting end VREF of the electric quantity measuring chip U2, the other end of the capacitor C2 and the capacitor C2 are all grounded, the other end of the capacitor C2 and one end of the resistor R2 are all connected to the AVCC of the electric quantity measuring chip U2, the other end of the resistor R2 is connected to one end of the inductor L2, the VCC of the inductor L2 and one end of the resistor R2 are all connected to the power supply terminal of the electric quantity measuring chip U2, the other end of the resistor R42 is connected with a TEST end TEST of an electricity metering chip U4, a signal end XT0 of the electricity metering chip U4 is connected with one end of an inductor L4, one end of the resistor R43, one end of a crystal oscillator Y1 and one end of a capacitor C14 are connected with the other end of the inductor L4, the other end of the capacitor C14 and one end of the capacitor C13 are grounded, the other end of the resistor R43, the other end of the crystal oscillator Y1 and the other end of the capacitor C13 are connected with one end of the inductor L3, and the other end of the inductor L3 is connected with a signal end XT1 of the electricity metering chip U4.

In this embodiment, the resistor R31, the resistor R32, the resistor R33, the resistor R36, and the resistor R37 are all sampling resistors with high precision and low temperature drift, the electricity metering chip U4 is a high-precision electricity metering chip to realize high-precision electricity metering, and meanwhile, the capacitor C6, the capacitor C7, the capacitor C8, and the capacitor C9 adopt a differential filter capacitor with low ESR, low quiescent current, and low precision and high temperature drift to reduce metering errors.

In this embodiment, as shown in fig. 14, the communication module includes a communication chip U7, the communication chip U7 is a 2G communication chip, and can be connected to both a mobile 2G network and a communication network, and the MCU control module is connected to an external network through the communication chip U7 and gives an alarm to an external short message and/or a telephone voice.

In this embodiment, after the smart device monitor is connected to the dc power supply or the ac power supply via the power adapter, the smart device monitor operates normally. The serial port module can be connected to an equipment module (temperature and humidity, UPS, precise air conditioner and the like) with an RS232/RS485/422 functional interface, and a second control circuit of the external control module can learn any infrared air conditioner control remote controller so as to control the infrared air conditioner. The analog quantity acquisition module can be connected with four paths of analog quantity (0-5V voltage or 4-20MA current), and a first control circuit of the external control module can be connected with sound-light alarm equipment, fan control equipment and the like and is in linkage control with the intelligent equipment monitor. The electric quantity acquisition module can be connected with a mains supply to acquire electric quantities such as frequency, voltage, current and active power. The internet port module is connected with the internet, so that the whole system is connected with the internet, further, the running condition of the equipment can be intuitively and quickly reflected by the indicator lamp module, meanwhile, the running condition of the equipment can be uploaded to the internet through the internet port, and the equipment is communicated with the central software through the IP network, so that the equipment can browse and configure the specified WEB page. When the external monitoring equipment is abnormal, the communication module can send a short message or make a call to alarm through wireless communication.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides an intelligent equipment watch-dog for computer lab which characterized in that: the intelligent monitoring system comprises an electric quantity acquisition module, a power supply module, a network port module, a serial port module, a communication module for alarming, an external control module for controlling external equipment, an analog quantity acquisition module for acquiring voltage and/or a circuit and an MCU control module, wherein the electric quantity acquisition module, the power supply module, the network port module, the serial port module, the communication module, the external control module and the analog quantity acquisition module are all connected with the MCU control module.

2. The intelligent device monitor for a computer room of claim 1, wherein: the external control module comprises a first control circuit used for being connected with external control equipment, the first control circuit comprises a relay driving chip U1, a relay K1 and a relay K2, the relay K1 and the relay K2 are connected with the MCU control module through a relay driving chip U1.

3. The intelligent device monitor for a computer room of claim 1, wherein: the external control module further comprises a second control circuit used for being connected with an infrared controller, the second control circuit comprises an infrared receiving chip U2, a capacitor C1, a triode Q1, a resistor R11, a resistor R12 and a TVS tube T1, the power module is connected with a signal transceiving end VS of the infrared receiving chip U2, the signal transceiving end VS of the infrared receiving chip U2 is grounded through a capacitor C1, a signal output end OUT of the infrared receiving chip U2 is connected with an MCU control module AIRC _ IN, the MCU control module AIRC1+ is connected with a collector of the triode Q1 through a resistor R11, the positive electrode of the TVS tube T1 is grounded, the negative electrode of the TVS tube T1 is connected with an MCU control module RC1+, the emitter of the triode Q2 is connected with the AIRC 2, and the base of the triode Q2 is connected with the MCU control module through a resistor R12.

4. The intelligent device monitor for a computer room of claim 1, wherein: the analog quantity acquisition module comprises a plurality of analog quantity acquisition circuits externally connected with electromagnetic inductors, each analog quantity acquisition circuit comprises an inductor L1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R21, a resistor R22, a TVS tube T22, a fuse F22 and a signal amplifier U22, the electromagnetic inductors are connected with the negative pole of the TVS tube T22 through the fuse F22, one end of the resistor R22 and the positive pole of the TVS tube T22 are all grounded, one end of the resistor R22 and one end of the resistor R22 are both connected with the negative pole of the TVS tube T22, the other ends of the resistor R22 and the resistor R22 are both connected with one end of the resistor R22, the positive input end of the signal amplifier U22 and one end of the capacitor C22 are both connected with the input end of the resistor R22, and the output end of the signal amplifier U22 are both connected with the input end of the capacitor C22 and the output end of the signal amplifier U22, the other end of the resistor R25 is connected with a detection end ADV1 of the MCU control module.

5. The intelligent device monitor for a computer room of claim 1, wherein: the power module comprises a first output end and a second output end, the MCU control module, the network port module, the serial port module and the electric quantity acquisition module are connected with the first output end, and the communication module is connected with the second output end.

6. The intelligent device monitor for a computer room of claim 5, wherein: the output voltage of the first output end is 3.3V, and the output voltage of the second output end is 5V.

7. The intelligent device monitor for a computer room of claim 1, wherein: the electric quantity acquisition module comprises an acquisition circuit and an electric quantity metering circuit, the acquisition circuit comprises a plug connector J2, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a fuse F39, a voltage transformer J39, a capacitor C39 and a capacitor C39, the electric quantity metering circuit comprises an electric quantity chip U39 connected with the MCU control module, a pin ACV + of the plug connector J39 is connected with the positive electrode of the primary side of the voltage transformer J39 through the resistor R39, a pin ACV-of the plug connector J39 is connected with the negative electrode of the primary side of the voltage transformer J39, one end of the resistor R39 is connected with the positive electrode of the secondary side of the voltage transformer J39, the other end of the resistor R39 is connected with the resistor R39, one end of the capacitor C6 and one end of the resistor R34 are both connected to the data acquisition terminal V3P of the power chip U4, the other end of the resistor R34 is connected to one end of the resistor R32, the other end of the capacitor C6 and one end of the capacitor C7 are both grounded, the other end of the resistor R35 and the other end of the capacitor C7 are both connected to the data acquisition terminal V3N of the power chip U4, the pin CA + of the plug-in connector J2 is connected to one end of the fuse F2, one end of the resistor R36 and one end of the resistor R38 are both connected to the other end of the fuse, the other end of the resistor R38 and one end of the capacitor C38 are both connected to the data acquisition terminal V2 38 of the power chip U38, the pin CA-, the other end of the resistor R38, one end of the resistor R38 and one end of the capacitor C38 are both grounded, the other end of the capacitor C9 and the other end of the resistor R39 are both connected with a data acquisition end V2N of the electric quantity chip U4.

8. The intelligent device monitor for a computer room of claim 7, wherein: the resistor R31, the resistor R32, the resistor R33, the resistor R36 and the resistor R37 are all sampling resistors with high precision and low temperature drift.