CN101975885B - Comprehensive electric energy detector for direct-current power supplies - Google Patents

Comprehensive electric energy detector for direct-current power supplies Download PDF

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Publication number
CN101975885B
CN101975885B CN2010102613651A CN201010261365A CN101975885B CN 101975885 B CN101975885 B CN 101975885B CN 2010102613651 A CN2010102613651 A CN 2010102613651A CN 201010261365 A CN201010261365 A CN 201010261365A CN 101975885 B CN101975885 B CN 101975885B
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remote signalling
card
communication
host
electric energy
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CN101975885A (en
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徐国明
陈水明
王祥
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Zhejiang Harnpu Power Technology Co Ltd
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Zhejiang Harnpu Power Technology Co Ltd
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Abstract

The invention relates to a comprehensive electric energy detector for direct-current power supplies. The detector comprises a measuring host for measuring electric energy, a remote signaling host for detecting the states of fuse wires, and a display and communication host, wherein the measuring host and the remote signaling host are connected with the display and communication host by communication cables; the measuring host samples voltage and current values on an input loop and an output loop and calculates power and electric energy data; the remote signaling host detects the states (whether broken or not) of the fuse wires on the input loop and the output loop; and the display and communication host reads various parameter values acquired by the measuring host and the states of the fuse wires acquired by the remote signaling host through the communication cables, correspondingly displays the data and triggers alarms. The comprehensive electric energy detector for the direct-current power supplies can display voltage, current, power and electric energy parameters, has rich alarm types, can realize the alarms for a plurality of electricity utilization situations such as overvoltage and undervoltage alarms, a current early alarm, the alarms for the upper and lower limits of the current, a fuse wire breakage alarm and the like, and meets requirements on internet data center (IDC) machine room power supply management.

Description

Direct supply comprehensive electric energy detector
Technical field
The present invention relates to a kind of electric energy detection equipment, relate in particular to a kind of direct supply comprehensive electric energy detector of measuring multiloop voltage, electric current, power and electric energy and having the polytype warning function.
Background technology
IDC machine room (Internet Data Center; Be Internet data center) services such as trust server, fire wall mainly are provided; Mainly serve the trust server of each website, ISP/ICP, SP/CP; And power supply is the heart of these communication networks, is the power producer of whole communication network safe and reliable operation.
Existing IDC machine room direct supply distributes cabinet can be furnished with WV, current parameters shows; Have overvoltage, undervoltage alarm function; Control alarm the tinkle of bells etc. can be set, but lack power and the isoparametric demonstration of electric energy, and existing direct supply distributes the cabinet type of alarm not abundant; Only have overvoltage and undervoltage warning, lack client's warning functions such as relatively electric current early warning, the electric current bound of needs are reported to the police, fuse is disconnected.Because input circuit in the feed circuit, output loop quantity are many, existing direct supply distributes instrument cashier's office in a shop can't satisfy actual needs.
Summary of the invention
The present invention mainly solves original direct supply and distributes the parameter that cabinet showed less; Lack the isoparametric demonstration of power and electric energy; And type of alarm is abundant, only has overvoltage and undervoltage warning, lacks the technical matters of warning functions such as electric current early warning, electric current bound are reported to the police, fuse is disconnected; A kind of direct supply comprehensive electric energy detector is provided; It can display voltage, current parameters; Can show power, electrical energy parameter again, and type of alarm is abundant, can realizes the warning of multiple electricity consumption situation such as overvoltage and undervoltage warning, electric current early warning, electric current bound are reported to the police, fuse is disconnected.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: the present invention includes measurement host, the remote signalling main frame that detects fuse state of measuring electric energy and show host computer communication, described measurement host, the equal and described demonstration host computer communication of remote signalling main frame link to each other through communication cable.Voltage, current value on measurement host sampling input circuit and the output loop; Calculate power and energy data again; The remote signalling main frame detects the fuse state (whether rupturing) on input circuit and the output loop; Show that host computer communication reads the various parameter values of measurement host acquisition and each fuse state that the remote signalling main frame obtains through communication cable, and correspondingly video data is reported to the police with triggering.So the present invention can display voltage, current parameters, can show power, electrical energy parameter again, and type of alarm is abundant, can realize the warning of multiple electricity consumption situation such as overvoltage and undervoltage warning, electric current early warning, electric current bound are reported to the police, fuse breaks.
As preferably; Be provided with some measurement cards in the described measurement host; Measure card for every and comprise one road DC voltage sampling circuit, seven road DC current sampling circuits and a single-chip microcomputer with 8 passage AD; Described DC voltage sampling circuit, DC current sampling circuit link to each other with described input end with single-chip microcomputer of 8 passage AD respectively; Also be connected with storage unit, 485 communication interfaces and electrical energy pulse output channel on the described single-chip microcomputer with 8 passage AD and select rotary switch; The electrical energy pulse output channel selects rotary switch to link to each other with the electrical energy pulse lead-out terminal, and every 485 communication interfaces of measuring on the card link to each other with described demonstration host computer communication through 485 communication buses.Measure card for every and can connect one road voltage and seven road electric currents, can be provided with many as required in the measurement host and measure card, efficiently solve the many problems of input circuit and output loop quantity.Employing has the single-chip microcomputer of 8 passage AD; One road AD is responsible for voltage sample, and other seven road AD are responsible for current sample, analyzed, judge and calculated by the single-chip microcomputer internal processes; Calculate voltage, electric current and power and energy data, send the demonstration host computer communication to through 485 communication interfaces.This single-chip microcomputer is selected which road electrical energy pulse of state programming decision output of rotary switch according to the electrical energy pulse output channel.
As preferably, the front of the cabinet of described measurement host is provided with some card inserting mouths, and described measurement cartoon is crossed card inserting mouth and is located in the cabinet of measurement host.Measure card from the positive cabinet that inserts of cabinet, make things convenient for installation and maintenance.Adopt card insert type can measure the quantity of card flexibly according to the quantity adjustment of input, output loop.
As preferably; Be provided with measuring machine motherboard, measuring machine power panel and measuring machine card extender in the described measurement host; Described measurement card, measuring machine power panel and measuring machine card extender are plugged in respectively on the described measuring machine motherboard; The measuring machine power panel is supplied with each through the measuring machine motherboard and is measured the card WV, and 485 communication interfaces of measuring card are electrically connected through measuring machine motherboard and measuring machine card extender, and described measuring machine card extender links to each other with described demonstration host computer communication through 485 communication buses.The measuring machine motherboard plays the transmission action of electric signals, and some shared signals obtain transmitting or gathering through the measuring machine motherboard on interior each wiring board of measurement host, have simplified the circuit connection, are convenient to installation and maintenance.And all wiring boards install in order and neatly, operation and maintenance is all very convenient.Each power consumption parameter such as voltage, electric current, power and electric energy of measuring the card acquisition is aggregated into the measuring machine card extender through 485 communication interfaces on the card through the measuring machine motherboard; Send the demonstration host computer communication by the measuring machine card extender to through 485 communication buses again; Simplify measurement host and shown the line between host computer communication; Reduce the failure rate that the line loose contact brings, improved the reliability of equipment.
As preferably; Be provided with some remote signalling test card in the described remote signalling main frame; Every remote signalling test card comprises seven road fuse detection lines and a single-chip microcomputer, and seven road fuse detection lines link to each other with the input end of single-chip microcomputer respectively, also are connected with storage unit and 485 communication interfaces on the described single-chip microcomputer; Described remote signalling test card comprise remote signalling detect main card and some remote signalling detect divide card, described remote signalling to detect to divide card be provided with this card on the rotary switch that links to each other of single-chip microcomputer; Remote signalling detects 485 communication interfaces that divide card and all links to each other with 485 communication interfaces of remote signalling detection main card, and 485 communication interfaces that remote signalling detects main card link to each other with described demonstration host computer communication through 485 communication buses; Be connected with the fuse alarm unit on the single-chip microcomputer of described remote signalling detection main card.Every remote signalling test card can connect seven road fuse detection lines, many remote signalling can be set in the remote signalling main frame as required detect the branch card, efficiently solves the many problems of input circuit and output loop quantity.The fuse detection line can adopt optocoupler to realize; A pin of optocoupler secondary is linked on the one-chip machine port; The level that single-chip microcomputer detects 7 ports comes just to confirm whether fuse ruptures, and starts the fuse alarm unit in case find to have fuse disruption, single-chip microcomputer to send control signal immediately.Main card is responsible for reading the fuse state and the warning message of each minute card; Divide fuse state and warning message on the card to be aggregated on the main card through 485 communication interfaces on it; Send the demonstration host computer communication by 485 communication interfaces on the main card to through 485 communication buses again, accelerated the efficient of communication reading of data.
As preferably, the front of the cabinet of described remote signalling main frame is provided with some card inserting mouths, and described remote signalling test card is located in the cabinet of remote signalling main frame through card inserting mouth respectively.The remote signalling test card makes things convenient for installation and maintenance from the positive cabinet that inserts of cabinet.Adopt card insert type can adjust the quantity of remote signalling test card flexibly according to the quantity of input, output loop.
As preferably; Be provided with the dynamo-electric source plate of remote signalling machine motherboard and remote signalling in the described remote signalling main frame; Described remote signalling detects main card, remote signalling detects and divides card and the dynamo-electric source plate of remote signalling to be plugged in respectively on the described remote signalling machine motherboard; The dynamo-electric source plate of remote signalling is supplied with each remote signalling test card WV through remote signalling machine motherboard, and described remote signalling detects 485 communication interfaces that divide card and links to each other with 485 communication interfaces that described remote signalling detects main card through remote signalling machine motherboard.Remote signalling machine motherboard plays the transmission action of electric signals, and some shared signals obtain transmitting or gathering through remote signalling machine motherboard on interior each wiring board of remote signalling main frame, have simplified the circuit connection, are convenient to installation and maintenance.And all wiring boards install in order and neatly, operation and maintenance is all very convenient.All fuse state information all send the demonstration host computer communication through 485 communication interfaces on the main card to through 485 communication buses, have simplified the remote signalling main frame and have shown the line between host computer communication, have reduced the failure rate that the line loose contact brings, and improve the reliability of equipment.
As preferably; Be provided with the alarm lamp plate in the described remote signalling main frame; Described alarm lamp plate is plugged on the described remote signalling machine motherboard, and described fuse alarm unit comprises some light emitting diodes, corresponding one road fuse detection line of each light emitting diode; Described light emitting diode all is located on the described alarm lamp plate, and the alarm control signal that described remote signalling detects on the main card is electrically connected through the light emitting diode on remote signalling machine motherboard and the alarm lamp plate.Adopt light emitting diode to realize the fuse alarm prompting, the corresponding fuse of light emitting diode, all light emitting diodes focus on the alarm lamp plate and arrange in order, are convenient to find out pairing fuse position.And the light emitting diode of warning usefulness and fuse detected to divide be arranged, reduced the interference between used power supply and signal, improve reliability.
As preferably; Described demonstration host computer communication comprises high capacity monolithic machine and the display module that links to each other with high capacity monolithic machine, key-press module, memory module, 485 communication interfaces and shows the main frame alarm module, shows that host computer communication links to each other with described measurement host, remote signalling main frame and upper monitoring machine through 485 communication buses that are connected on this 485 communication interface.The demonstration host computer communication is mainly accomplished demonstration, data processing, parameter setting and the warning of communication, each electricity consumption data and fuse state.Through 485 communication buses, read all data and relevant warning that measurement host obtains and handle, read all fuse states and warning message that the remote signalling main frame obtains, and with the communication of upper monitoring machine, realize management, monitoring and the daily servicing of data.Adopt high capacity monolithic machine, measure all data centralizations such as electric quantity data, fuse state, systematic parameter, warning message, make data processing convenient to together.Display module adopts the user interface of hommization, but the flexible configuration parameter, and warning is provided with a little more, inquires about more convenient.
As preferably, described display module comprises large-sized liquid crystal display and a plurality of operation LED light, and described demonstration main frame alarm module comprises hummer and a plurality of warning LED light.Show that all data that host computer communication reads all can show on Large-size LCD Screen, entire equipment ground running status also can show through corresponding operation LED light simultaneously, shows that image is with directly perceived more.Type of alarm adopts sound and light alarm; Different type of alarm (overvoltage and undervoltage warning, electric current early warning, the warning of electric current bound, fuse disruption etc.) can start different hummers and send different tweeting sounds; Light corresponding warning LED light simultaneously; It is effective to report to the police, and helps the staff and in time pinpoints the problems.
The invention has the beneficial effects as follows: measurement data increases; It can display voltage, current parameters; Can show power, electrical energy parameter again; And type of alarm is abundant, can realize the warning of multiple electricity consumption situation such as overvoltage and undervoltage warning, electric current early warning, electric current bound are reported to the police, fuse is disconnected, satisfies the needs of IDC power of computer room management.And showing that host computer communication has 485 communication interfaces of standard, ability and upper monitoring machine carry out communication, are convenient to the management and the monitoring of electricity consumption data.In addition, power consumption parameter measurement, fuse state detection and data presentation and setting separate from 3 main frames, and 3 main frames can independently can be used in combination again, match more flexible.
Description of drawings
Fig. 1 is a kind of syndeton synoptic diagram of the present invention.
Fig. 2 is a kind of synoptic diagram of syndeton more specifically of the present invention.
Fig. 3 is a kind of circuit catenation principle block diagram of the measurement card of measurement host among the present invention.
Fig. 4 is that the remote signalling of remote signalling main frame among the present invention detects main card and remote signalling detects a kind of circuit catenation principle block diagram that divides card.
Fig. 5 is a kind of circuit catenation principle block diagram that shows host computer communication among the present invention.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment: the direct supply comprehensive electric energy detector of present embodiment like Fig. 1, shown in Figure 2, comprises measurement host 1, remote signalling main frame 2 and shows host computer communication 3 that measurement host 1, remote signalling main frame 2 all link to each other with demonstration host computer communication 3 through 485 communication buses 4.There are a measuring machine motherboard 12, measuring machine power panel 13, measuring machine card extender 14 and polylith to measure card 11 in the measurement host 1; Measuring card 11, measuring machine power panel 13 and measuring machine card extender 14 is plugged in respectively on the measuring machine motherboard 12; Measuring machine power panel 13 is supplied with each through measuring machine motherboard 12 and is measured card 11 WVs; Measure 485 communication interfaces that block on 11 and be electrically connected through measuring machine motherboard 12 and measuring machine card extender 13, measuring machine card extender 13 links to each other with demonstration host computer communication 3 through 485 communication buses 4 again.The front of the cabinet of measurement host 1 has a plurality of card inserting mouths, and measurement card 11 is put into the cabinet of measurement host 1 through card inserting mouth and is plugged in and measures on the card motherboard 12.Having the dynamo-electric source plate of a remote signalling machine motherboard 23, remote signalling 24, alarm lamp plate 25, remote signalling to detect main card 21 and polylith remote signalling in the remote signalling main frame 2 detects and divides card 22; Remote signalling detects main card 21, remote signalling detects and divides the dynamo-electric source plate 24 of card 22, alarm lamp plate 25 and remote signalling to be plugged in respectively on the remote signalling machine motherboard 23; The dynamo-electric source plate 24 of remote signalling is supplied with remote signalling through remote signalling machine motherboard 23 and is detected main card 21 and each remote signalling detection branch card 22 WVs; Remote signalling detects 485 communication interfaces that divide on the card 22 and links to each other with 485 communication interfaces that remote signalling detects on the main card 21 through remote signalling machine motherboard 23; 485 communication interfaces that remote signalling detects on the main card 21 link to each other with demonstration host computer communication 3 through 485 communication buses 4; A plurality of light emitting diodes are housed on the alarm lamp plate 25; Alarm front end device as fuse alarm unit 216; Corresponding one road fuse detection line 211 of each light emitting diode, the alarm control signal that remote signalling detects on the main card 21 is electrically connected through the light emitting diode on remote signalling machine motherboard 23 and the alarm lamp plate 25.
As shown in Figure 3; In the measurement host 1 every measures card 11 and comprises that one road DC voltage sampling circuit 111, seven road DC current sampling circuits 112, storage unit 114,485 communication interfaces 115 and electrical energy pulse output channel select rotary switch 116 and the single-chip microcomputer 113 with 8 passage AD; DC voltage sampling circuit 111, DC current sampling circuit 112 link to each other with the input end of the single-chip microcomputer with 8 passage AD 113 respectively; Storage unit 114,485 communication interfaces 115 select rotary switch 116 also to link to each other with the single-chip microcomputer with 8 passage AD 113 with the electrical energy pulse output channel; Electrical energy pulse lead-out terminal 117 on the electrical energy pulse output channel is selected rotary switch 116 and is located at the measurement card links to each other, and the single-chip microcomputer 113 with 8 passage AD selects the state programming decision of rotary switch 116 to export which road electrical energy pulse according to the electrical energy pulse output channel.Every 485 communication interfaces 115 of measuring on the card 11 link to each other with measuring machine card extender 13 through measuring machine motherboard 12.
As shown in Figure 4; Remote signalling in the remote signalling main frame 2 detect main card and every remote signalling and detect and divide card to include seven road fuse detection lines 211, storage unit 213,485 communication interfaces 214 and single-chip microcomputer 212; Seven road fuse detection lines 211 link to each other with the input end of single-chip microcomputer 212 respectively, and storage unit 213,485 communication interfaces 214 also link to each other with single-chip microcomputer 212.Fuse detection line 211 adopts optocouplers, and a pin of optocoupler secondary is linked on the port of single-chip microcomputer 212, and the level that the single-chip microcomputer on every remote signalling test card detects seven ports comes just to confirm whether fuse has fracture, whether need start fuse alarm.Remote signalling detect to divide card 22 be provided with this card on the rotary switch 215 that links to each other of single-chip microcomputer, remote signalling detects and divides card to determine branch to block the address by rotary switch.Remote signalling detects 485 communication interfaces that divide on the card 22 and all links to each other with 485 communication interfaces that remote signalling detects on the main card 21 through remote signalling machine motherboard.Be connected with the fuse alarm control module as fuse alarm unit 216 parts on the single-chip microcomputer of remote signalling detection main card 21, the alarm control signal of fuse alarm control module output is electrically connected through the light emitting diode on remote signalling machine motherboard 23 and the alarm lamp plate 25.
As shown in Figure 5, show that host computer communication 3 comprises high capacity monolithic machine 31 and the display module 32 that links to each other with high capacity monolithic machine 31, key-press module 33, memory module 34,485 communication interfaces 35 and shows main frame alarm module 36.Display module 32 comprises a large-sized liquid crystal display and a plurality of operation LED light.Show that main frame alarm module 36 comprises hummer and a plurality of warning LED light.Show that host computer communication 3 links to each other with measurement host 1, remote signalling main frame 2 and upper monitoring machine 5 through 485 communication buses 4 that are connected on this 485 communication interface 35.
The course of work:
1. on the DC voltage of input, output loop, DC voltage sampling circuit that dc current signal is received measurement host, the DC current sampling circuit; Measurement host is through having single-chip microcomputer sampled voltage, the current signal of 8 passage AD; Single-chip microcomputer with 8 passage AD converts sampled signal to voltage, current data; Simultaneously calculate power and electric energy according to voltage, current data, all data all are placed in the communication buffer memory after treatment.Show that host computer communication regularly reads the data that each measurement card is obtained on the measurement host through 485 communication buses.
2. the fuse both sides of input, output loop are inserted on the fuse detection line of remote signalling main frame.Fuse detects and utilizes optocoupler to realize; Every remote signalling detects main card, divide single-chip microcomputer on the card to detect the level that connects 7 ports has above that just determined whether fuse disruption; The fuse state signal that each minute blocks all is aggregated on the main card through 485 communication interfaces, goes to control the fuse alarm unit by the single-chip microcomputer on the main card.When fuse disruption; Single-chip microcomputer on the main card sends alarm control signal; This signal sends the alarm lamp plate in the remote signalling main frame to through remote signalling machine motherboard, then can be lighted with the corresponding light emitting diode of fracture fuse, and height can be put in corresponding fuse state position simultaneously.Show that host computer communication regularly reads all fuse state information through 485 communication buses.
3. show after host computer communication takes advantage of all measurement data of reading from measurement host no-load voltage ratio to handle and send the communication buffer memory, corresponding in addition communication buffer memory send high capacity monolithic machine to be handled by the alarm decision program.When overvoltage, under-voltage, electric current early warning, the ultra upper and lower limit of electric current, the display interface of large-sized liquid crystal display can jump to electricity consumption situation warning interface, and corresponding simultaneously warning LED light is lighted, hummer sounds.Show after host computer communication is all fuse state data processing of reading from the remote signalling main frame and send the communication buffer memory, corresponding in addition communication buffer memory send high capacity monolithic machine to be handled by the alarm decision program.When fuse disruption was reported to the police, the display interface of large-sized liquid crystal display can jump to the fuse alarm interface, and corresponding simultaneously warning LED light is lighted, hummer sounds, and also can inquire corresponding information through key-press module inquiry fuse state interface.Show that host computer communication adopts the user interface that has hommization, human-computer interaction property is good, but the flexible configuration parameter, and inquiry is easily.

Claims (9)

1. direct supply comprehensive electric energy detector; It is characterized in that comprising measurement host (1), the remote signalling main frame (2) that detects fuse state of measuring electric energy and show host computer communication (3), described measurement host (1), remote signalling main frame (2) all link to each other through communication cable with described demonstration host computer communication (3); Be provided with some measurement cards (11) in the described measurement host (1); Measure card (11) for every and comprise one road DC voltage sampling circuit (111), seven road DC current sampling circuits (112) and a single-chip microcomputer (113) with 8 passage AD; Described DC voltage sampling circuit (111), DC current sampling circuit (112) link to each other with described input end with single-chip microcomputer (113) of 8 passage AD respectively; Also be connected with storage unit (114), 485 communication interfaces (115) and electrical energy pulse output channel on the described single-chip microcomputer (113) with 8 passage AD and select rotary switch (116); The electrical energy pulse output channel selects rotary switch (116) to link to each other with electrical energy pulse lead-out terminal (117), and every 485 communication interfaces (115) of measuring on the card (11) link to each other with described demonstration host computer communication (3) through 485 communication buses (4).
2. direct supply comprehensive electric energy detector according to claim 1 is characterized in that the front of the cabinet of described measurement host (1) is provided with some card inserting mouths, and described measurement card (11) is located in the cabinet of measurement host (1) through card inserting mouth.
3. direct supply comprehensive electric energy detector according to claim 1 and 2; It is characterized in that being provided with in the described measurement host (1) measuring machine motherboard (12), measuring machine power panel (13) and measuring machine card extender (14); Described measurement card (11), measuring machine power panel (13) and measuring machine card extender (14) are plugged in respectively on the described measuring machine motherboard (12); Measuring machine power panel (13) is supplied with each through measuring machine motherboard (12) and is measured card (11) WV; 485 communication interfaces (115) of measuring card (11) are electrically connected through measuring machine motherboard (12) and measuring machine card extender (14), and described measuring machine card extender (14) links to each other with described demonstration host computer communication (3) through 485 communication buses (4).
4. direct supply comprehensive electric energy detector according to claim 1; It is characterized in that being provided with in the described remote signalling main frame (2) some remote signalling test card; Every remote signalling test card comprises seven road fuse detection lines (211) and a single-chip microcomputer (212); Seven road fuse detection lines (211) link to each other with the input end of single-chip microcomputer (212) respectively, also are connected with storage unit (213) and 485 communication interfaces (214) on the described single-chip microcomputer (212); Described remote signalling test card comprise remote signalling detect main card (21) and some remote signalling detect divide card (22), described remote signalling to detect to divide block (22) be provided with this card on the rotary switch (215) that links to each other of single-chip microcomputer; Remote signalling detects 485 communication interfaces that divide card (22) and all links to each other with 485 communication interfaces of remote signalling detection main card (21), and 485 communication interfaces that remote signalling detects main card (21) link to each other with described demonstration host computer communication (3) through 485 communication buses (4); Be connected with fuse alarm unit (216) on the single-chip microcomputer of described remote signalling detection main card (21).
5. direct supply comprehensive electric energy detector according to claim 4 is characterized in that the front of the cabinet of described remote signalling main frame (2) is provided with some card inserting mouths, and described remote signalling test card is located in the cabinet of remote signalling main frame (2) through card inserting mouth respectively.
6. according to claim 4 or 5 described direct supply comprehensive electric energy detectors; It is characterized in that being provided with in the described remote signalling main frame (2) the dynamo-electric source plate (24) of remote signalling machine motherboard (23) and remote signalling; Described remote signalling detects main card (21), remote signalling detects and divides card (22) and the dynamo-electric source plate of remote signalling (24) to be plugged in respectively on the described remote signalling machine motherboard (23); The dynamo-electric source plate of remote signalling (24) is supplied with each remote signalling test card WV through remote signalling machine motherboard (23), and described remote signalling detects 485 communication interfaces that divide card (22) and links to each other with 485 communication interfaces that described remote signalling detects main card (21) through remote signalling machine motherboard (23).
7. direct supply comprehensive electric energy detector according to claim 6; It is characterized in that being provided with in the described remote signalling main frame (2) alarm lamp plate (25); Described alarm lamp plate (25) is plugged on the described remote signalling machine motherboard (23); Described fuse alarm unit (216) comprises some light emitting diodes; Corresponding one road fuse detection line (211) of each light emitting diode, described light emitting diode all is located on the described alarm lamp plate (25), and the alarm control signal that described remote signalling detects on the main card (21) is electrically connected through the light emitting diode on remote signalling machine motherboard (23) and the alarm lamp plate (25).
8. according to claim 1 or 4 described direct supply comprehensive electric energy detectors; It is characterized in that described demonstration host computer communication (3) comprises high capacity monolithic machine (31) and the display module (32) that links to each other with high capacity monolithic machine (31), key-press module (33), memory module (34), 485 communication interfaces (35) and shows main frame alarm module (36), shows that host computer communication (3) links to each other with described measurement host (1), remote signalling main frame (2) and upper monitoring machine (5) through 485 communication buses (4) that are connected on this 485 communication interface (35).
9. direct supply comprehensive electric energy detector according to claim 8; It is characterized in that described display module (32) comprises large-sized liquid crystal display and a plurality of operation LED light, described demonstration main frame alarm module (36) comprises hummer and a plurality of warning LED light.
CN2010102613651A 2010-08-24 2010-08-24 Comprehensive electric energy detector for direct-current power supplies Expired - Fee Related CN101975885B (en)

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CN102879749B (en) * 2012-09-22 2015-04-29 华晶精密制造有限公司 Diamond fretsaw direct-current power supply test system
CN107154676A (en) * 2017-05-19 2017-09-12 宁波三星医疗电气股份有限公司 A kind of electrical equipment electricity monitoring system and the method for power consumption feedback analysis processing
CN108132435A (en) * 2018-01-13 2018-06-08 蚌埠华特科技有限公司 A kind of key testing device
CN113884757A (en) * 2021-09-27 2022-01-04 中国电信股份有限公司 Electric energy collector, electric energy collection monitoring equipment and method for direct current machine room

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CN201323472Y (en) * 2008-12-19 2009-10-07 潍坊北大青鸟华光通信技术有限公司 Distribution transformer monitoring device
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