CN205015710U - Electric power measurement and control device is synthesized to multiloop - Google Patents
Electric power measurement and control device is synthesized to multiloop Download PDFInfo
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- CN205015710U CN205015710U CN201520266368.2U CN201520266368U CN205015710U CN 205015710 U CN205015710 U CN 205015710U CN 201520266368 U CN201520266368 U CN 201520266368U CN 205015710 U CN205015710 U CN 205015710U
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- microcontroller
- branch road
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- host computer
- sample circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses an electric power measurement and control device is synthesized to multiloop, including host computer and a plurality of branch road module, the host computer includes host computer microcontroller, display screen, memory and warning circuit, the branch road module includes a sampling circuit, switch information sampling circuit and branch road microcontroller, display screen, memory and warning circuit are connected with host computer microcontroller's corresponding port electricity respectively, a sampling circuit and switch information sampling circuit are connected with branch road microcontroller's corresponding port electricity, branch road microcontroller and host computer microcontroller are connected. The utility model discloses sampling host computer and a plurality of branch road integrated structures utilize the sampling circuit of each branch road module to carry out signal of telecommunication information acquisition after branch road microcontroller sends to host computer microcontroller, are shown behind analysis processes on the display screen and are stored into in the memory and control warning circuit and report to the police by host computer microcontroller, collect digital and intelligent in an organic whole, have solved the instrument and have arranged and install complicated scheduling problem.
Description
Technical field
The utility model relates to a kind of multiloop Integral power measuring control device, belongs to electric power monitoring technical field.
Background technology
In electric power and industrial power distribution systems, usually need to measure the multiple parameters of electric power of monitoring simultaneously, sometimes even need the current parameters of simultaneously monitoring tens loops, and need record when abnormal conditions appear in monitoring parameter and send alarm signal to remind the abnormal problem of relevant staff's analyzing and processing system under test (SUT).For such demand, traditional TT&C system is made up of instrument such as multiple separate voltage, reometer, temperature gauge outfit, alarms, and test data is dispersed in multiple instrument, can not carry out unified analyzing and processing, and multiple self contained instrument installs trouble, cost is also higher.
Utility model content
The deficiency that the utility model exists to overcome prior art, provides a kind of multiloop Integral power measuring control device.
The utility model is achieved by taking following technical scheme:
A kind of multiloop Integral power measuring control device, comprise main frame and multiple branch road module, described main frame comprises host microcontroller, display screen, storer and warning circuit, described branch road module comprises the first sample circuit, switching information sample circuit and branch road microcontroller, described display screen, storer and warning circuit are electrically connected with the corresponding port of host microcontroller respectively, described first sample circuit and switching information sample circuit are electrically connected with the corresponding port of branch road microcontroller, described branch road microcontroller is connected with host microcontroller, described first sample circuit and switching information sample circuit just collect the voltage of electric system, the electrical signal information of electric current and switch is delivered to branch road microcontroller, this electrical signal information is delivered to host microcontroller by branch road microcontroller, host microcontroller will to be shown to after this electrical signal information analyzing and processing on display screen and to be stored in storer and reported to the police by warning circuit.
Preferably, described main frame also comprises the Ethernet interface controlled for Internet Transmission, and described Ethernet interface is connected with host microcontroller.
Preferably, described branch road microcontroller is connected by RS485 interface with between host microcontroller.
Preferably, described first sample circuit comprises current sampling circuit and voltage sampling circuit, and corresponding to the branch road microcontroller respectively FPDP of described current sampling circuit and voltage sampling circuit is electrically connected.
Preferably, described main frame also comprises the second sample circuit, and described second sample circuit is electrically connected with host microcontroller.
Compared with prior art, the beneficial effects of the utility model are: the utility model sampling main frame and multiple branch road integrated structure, host microcontroller is sent to through branch road microcontroller after utilizing the sample circuit of each branch road module to carry out electrical signal information collection, to be shown to after being processed by analysis by host microcontroller on display screen and to be stored in storer and control warning circuit and report to the police, integrate digitizing and intellectuality, make measuring process and Data Analysis Services Automated condtrol, solve instrument disposition and the problems such as complicated are installed, providing cost savings.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of multiloop Integral power measuring control device of the present utility model;
Fig. 2 is the circuit block diagram of the main frame in Fig. 1;
Fig. 3 is the circuit block diagram of the branch road module in Fig. 2;
Fig. 4 is the circuit diagram of host microcontroller of the present utility model;
Fig. 5 is the circuit diagram of branch road microcontroller of the present utility model;
Fig. 6 is the circuit diagram of the RS485 interface of main frame of the present utility model;
Fig. 7 is the circuit diagram of the RS485 interface of branch road module of the present utility model;
Fig. 8 is the circuit diagram of voltage sampling circuit of the present utility model;
Fig. 9 is the circuit diagram of power supply sample circuit of the present utility model;
Figure 10 is the circuit diagram of switching information sample circuit of the present utility model;
Figure 11 is the circuit diagram of storer of the present utility model;
Figure 12 is the circuit diagram of real time clock circuit of the present utility model;
Figure 13 is the circuit diagram of warning circuit of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, most preferred embodiment of the present utility model is described in detail.
As shown in Figure 1 to Figure 3, the multiloop Integral power measuring control device of the present embodiment comprises main frame and multiple branch road module, described main frame comprises host microcontroller, display screen, storer, warning circuit, Ethernet interface and the second sample circuit, described branch road module comprises the first sample circuit, switching information sample circuit and branch road microcontroller, described display screen, storer and warning circuit are electrically connected with the corresponding port of host microcontroller respectively, described first sample circuit and switching information sample circuit are electrically connected with the corresponding port of branch road microcontroller, described branch road microcontroller is connected with host microcontroller by RS485 interface, described Ethernet interface is connected with host microcontroller, described second sample circuit is electrically connected with host microcontroller, described first sample circuit and switching information sample circuit just collect the voltage of electric system, the electrical signal information of electric current and switch is delivered to branch road microcontroller, this electrical signal information is delivered to host microcontroller by RS485 interface by branch road microcontroller, host microcontroller will to be shown to after this electrical signal information analyzing and processing on display screen and to be stored in storer and reported to the police by warning circuit, Ethernet interface makes main road microcontroller have networking function, data after analyzing and processing can be sent to outside, facilitate external system to the Long-distance Control of this device.Wherein, described first sample circuit comprises Multi-current Sampling circuit and voltage sampling circuit, and corresponding to the branch road microcontroller respectively FPDP of described current sampling circuit and voltage sampling circuit is electrically connected.Second sample circuit adopts identical circuit structure with the first sample circuit, makes main frame possess the function of independent power measure and control instrument.
As shown in Figures 4 to 7, the host microcontroller of the present embodiment adopts STM32F207 family chip, by on information displaying to display screen and be stored in storer after being mainly used in receiving information data and analyzing and processing information data, and reported to the police by its control output end control warning circuit, or by Ethernet interface by information transmission to control center, facilitate external control.And branch road microcontroller adopts STM32F103 family chip, mainly the information data of the first sampling circuit samples is sent in host microcontroller through RS485 interface.Fig. 6, Fig. 7 are the circuit diagram of the RS485 interface of main frame and the RS485 interface of branch road module respectively, and these two RS485 interfaces are mainly in order to complete the information transmission between two microcontrollers.
Because the second sample circuit is the same with the structure of the first sample circuit, the circuit structure of the first sample circuit is only described at this.Described first sample circuit comprises current sampling circuit, voltage sampling circuit and switching information sample circuit.As shown in Figure 8, described voltage sampling circuit comprises resistance R173, R178, R188, R181, R204, R216, analog switch U17 and operational amplifier U16, voltage input end is by resistance R173, R178, R188, R181, R204, after R216 carries out dividing potential drop sampling, voltage sample information is transferred to operational amplifier U16 through analog switch U17, operational amplifier U16 is transferred to branch road microcontroller STM32F103 by after voltage sample information amplification filtering, be transferred to host microcontroller STM32F207 through RS485 interface after branch road microcontroller STM32F103 carries out data AD conversion to voltage sample information and carry out analyzing and processing.As shown in Figure 9, described current sampling circuit comprises mutual inductor T2, analog switch U20 and operational amplifier U15, current sample information is transferred to operational amplifier U15 through analog switch U20 after carrying out current sample by mutual inductor T2 by current input terminal, operational amplifier U15 carries out analyzing and processing by being transferred to host microcontroller STM32F207 through RS485 interface after branch road microcontroller STM32F103, branch road microcontroller STM32F103 carry out data AD conversion to current sample information after this current sample information amplification filtering.
As shown in Figure 10, in the present embodiment, described switch sample circuit comprises resistance R34, R35, R36, R37, R38, R39, diode D5 and triode Q2, switch signal input end is by resistance R35, R37, R38, R39, Q2 is transferred to branch road microcontroller STM32F103 after carrying out signal shaping to the input signal of switch terminals again, be transferred to host microcontroller STM32F207 through RS485 interface after branch road microcontroller STM32F103 carries out data AD conversion to switch sample information and carry out analyzing and processing, wherein, resistance R34, R36 and diode D5 plays overvoltage protection effect.
As shown in Figure 11, Figure 12, in the present embodiment, real time clock circuit adopts DS3231 chip, be mainly used in as host microcontroller STM32F207 provides time and temperature data, memory circuit adopts MB85RC64PNF-G-JNE1 chip, be mainly used in the data of storage host microcontroller STM32F207, these two circuit carry out data by I2C1_SCL and I2C1_SDA interface and host microcontroller STM32F207 to be transmitted and exchanges.
As shown in figure 13; in the present embodiment; described warning circuit comprises triode Q4, relay K 1, resistance R206 and electric capacity C149; host microcontroller STM32F207 issues instructions to triode Q4 by BJ_SP; controlling triode ON makes relay connection control alarm report to the police; wherein, resistance R206 and electric capacity C149 forms output protection circuit.
Claims (5)
1. a multiloop Integral power measuring control device, it is characterized in that comprising main frame and multiple branch road module, described main frame comprises host microcontroller, display screen, storer and warning circuit, described branch road module comprises the first sample circuit, switching information sample circuit and branch road microcontroller, described display screen, storer and warning circuit are electrically connected with the corresponding port of host microcontroller respectively, described first sample circuit and switching information sample circuit are electrically connected with the corresponding port of branch road microcontroller, described branch road microcontroller is connected with host microcontroller, described first sample circuit and switching information sample circuit will collect the voltage of electric system, the electrical signal information of electric current and switch is delivered to branch road microcontroller, this electrical signal information is delivered to host microcontroller by branch road microcontroller, host microcontroller will to be shown to after this electrical signal information analyzing and processing on display screen and to be stored in storer and reported to the police by warning circuit.
2. multiloop Integral power measuring control device according to claim 1, it is characterized in that described main frame also comprises the Ethernet interface controlled for Internet Transmission, described Ethernet interface is connected with host microcontroller.
3. multiloop Integral power measuring control device according to claim 1 and 2, is characterized in that described branch road microcontroller is connected by RS485 interface with between host microcontroller.
4. multiloop Integral power measuring control device according to claim 1 and 2, is characterized in that described first sample circuit comprises the FPDP that described in current sampling circuit and voltage sampling circuit, current sampling circuit and voltage sampling circuit are corresponding to branch road microcontroller respectively and is electrically connected.
5. multiloop Integral power measuring control device according to claim 1, is characterized in that described main frame also comprises the second sample circuit, and described second sample circuit is electrically connected with host microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520266368.2U CN205015710U (en) | 2015-04-29 | 2015-04-29 | Electric power measurement and control device is synthesized to multiloop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520266368.2U CN205015710U (en) | 2015-04-29 | 2015-04-29 | Electric power measurement and control device is synthesized to multiloop |
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| CN205015710U true CN205015710U (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957520A (en) * | 2016-10-17 | 2018-04-24 | 深圳市海德森科技股份有限公司 | Power distribution cabinet and its detection device |
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2015
- 2015-04-29 CN CN201520266368.2U patent/CN205015710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957520A (en) * | 2016-10-17 | 2018-04-24 | 深圳市海德森科技股份有限公司 | Power distribution cabinet and its detection device |
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