CN205786881U - A kind of electric instrument - Google Patents
A kind of electric instrument Download PDFInfo
- Publication number
- CN205786881U CN205786881U CN201620086612.1U CN201620086612U CN205786881U CN 205786881 U CN205786881 U CN 205786881U CN 201620086612 U CN201620086612 U CN 201620086612U CN 205786881 U CN205786881 U CN 205786881U
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- China
- Prior art keywords
- module
- electric instrument
- power
- memory module
- circuit board
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Abstract
The utility model discloses a kind of electric instrument, including casing and the circuit board being arranged in described casing, circuit board is provided with measurement module, signal conversion module, memory module and control module；Described control module is connected with memory module and measurement module；Described measurement module, described memory module and described signal conversion module all electrically connect with cpu controller and power module；Described control module controls access and the disconnection of microgrid according to the switch of relay described in the output control of described multilevel iudge.This utility model protector monomer lower end is provided with voltage detector; each corresponding cable effectively can be limited the overvoltage on power cable metal outer jacket; solve the monitoring problem of the installation and operation state parameter of electric cable protector; base is provided with upper and lower fixing plate and base, voltage detector and electric cable protector element is connected as one, easy for installation firmly.
Description
Technical field
This utility model relates to technical field of electric equipment, particularly belongs to a kind of electric instrument.
Background technology
The network electric power instrument used on the market at present, the most only has conventional electric power parameter measurement statistical function and better simply control function.Can gather, measure the various electrical energy parameters of power consumer load, such as: voltage, electric current, frequency, load, idle, power factor (PF), electricity and the electricity charge, power quality data, harmonic distortion frequency, relative harmonic content, tri-phase unbalance factor and electric voltage frequency deviation etc..Certainly the partial function that some electric instrument is likely to be of in above-mentioned functions.But along with the development that distributed energy is powered and multiple-energy-source is powered, the function of traditional electric instrument can not realize the coordination to above-mentioned powering mode and control, microgrid can not be carried out effective coordination control, easily cause energy waste in microgrid power supply process, it is unfavorable for distributing rationally of electricity consumption, also having these electric instruments internal is generally all to be made up of integrated circuit, its function is changeless, thus, when reality only needs the work of some device of this electric instrument to reach a certain function, all devices in this electric instrument also must all be energized, considerably increase the loss of electric energy.
Utility model content
For the problems referred to above, the purpose of this utility model there is provided a kind of electric instrument, overcome the deficiencies in the prior art, achieve function modoularization, user can select functional module to be used to constitute the circuit structure of electric instrument according to actual needs, the most flexible, it is to avoid because unnecessary device is energized the electric energy loss brought, the electric instrument controling effectively of simultaneously microgrid can being powered.
The technical solution adopted in the utility model is as follows:
A kind of electric instrument, including casing and the circuit board being arranged in described casing, is provided with measurement module, signal conversion module, memory module and control module in described circuit board；Described control module is connected with memory module and measurement module；Described measurement module, described memory module and described signal conversion module all electrically connect with cpu controller；Described measurement module, described memory module and described signal conversion module all electrically connect with power module；Described power module connects cpu controller；Described measurement module is configured to measure frequency or the power of circuit in microgrid；Described memory module storage has upper frequency limit value and a lower-frequency limit value of circuit in described microgrid, and/or power upper limit value and lower limit value；Described control module is configured to receive described frequency or the described power that described measurement module is measured, and calls corresponding parameter in described memory module and compare judgement；And described control module is configured to connect relay, described control module controls access and the disconnection of microgrid according to the switch of relay described in the output control of described multilevel iudge.
Described cpu controller also has input and controls port, and the most described electric instrument also includes: control, with described input, the input circuit that port removably connects.
Described signaling conversion circuit includes multiple two-way three-state door buffer.
Described input circuit includes multiple button.
Described circuit board is additionally provided with the communication module electrically connected with described cpu controller；Described communication module is configured to the data transfer of described electric instrument to external equipment.
Described communication module realizes the communication between described external equipment by RS485 bus or Ethernet or GMS wireless public network.
Compared with the prior art, the beneficial effects of the utility model are as follows:
This utility model arranges in the circuit board and can carry out microgrid connection or disconnect the control module controlled, so that electric instrument of the present utility model is in addition to the measurement function being capable of general instrument, also there is intelligent micro-grid coordinated control function, achieve function modoularization, user can select functional module to be used to constitute the circuit structure of electric instrument according to actual needs, it is the most flexible, it is to avoid because unnecessary device is energized the electric energy loss brought.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
See accompanying drawing, a kind of electric instrument, including casing and the circuit board being arranged in described casing, described circuit board is provided with measurement module, signal conversion module, memory module and control module；Described control module is connected with memory module and measurement module；Described measurement module, described memory module and described signal conversion module all electrically connect with cpu controller；Described measurement module, described memory module and described signal conversion module all electrically connect with power module；Described power module connects cpu controller；Described measurement module is configured to measure frequency or the power of circuit in microgrid；Described memory module storage has upper frequency limit value and a lower-frequency limit value of circuit in described microgrid, and/or power upper limit value and lower limit value；Described control module is configured to receive described frequency or the described power that described measurement module is measured, and calls corresponding parameter in described memory module and compare judgement；And described control module is configured to connect relay, described control module controls access and the disconnection of microgrid according to the switch of relay described in the output control of described multilevel iudge；Described cpu controller also has input and controls port, and the most described electric instrument also includes: control, with described input, the input circuit that port removably connects；Signaling conversion circuit includes multiple two-way three-state door buffer；Described input circuit includes multiple button；Described circuit board is additionally provided with the communication module electrically connected with described cpu controller；Described communication module is configured to the data transfer of described electric instrument to external equipment；Described communication module realizes the communication between described external equipment by RS485 bus or Ethernet or GMS wireless public network.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (6)
1. an electric instrument, including casing and the circuit board being arranged in described casing, it is characterised in that be provided with measurement module, signal conversion module, memory module and control module in described circuit board；Described control module is connected with memory module and measurement module；Described measurement module, described memory module and described signal conversion module all electrically connect with cpu controller；Described measurement module, described memory module and described signal conversion module all electrically connect with power module；Described power module connects cpu controller；Described measurement module is configured to measure frequency or the power of circuit in microgrid；Described memory module storage has upper frequency limit value and a lower-frequency limit value of circuit in described microgrid, and/or power upper limit value and lower limit value；Described control module is configured to receive described frequency or the described power that described measurement module is measured, and calls corresponding parameter in described memory module and compare judgement；And described control module is configured to connect relay, described control module controls access and the disconnection of microgrid according to the switch of relay described in the output control of described multilevel iudge.
Electric instrument the most according to claim 1, it is characterised in that: described cpu controller also has input and controls port, and the most described electric instrument also includes: control, with described input, the input circuit that port removably connects.
Electric instrument the most according to claim 1, it is characterised in that: described signaling conversion circuit includes multiple two-way three-state door buffer.
Electric instrument the most according to claim 2, it is characterised in that: described input circuit includes multiple button.
Electric instrument the most according to claim 2, it is characterised in that be additionally provided with the communication module electrically connected with described cpu controller in described circuit board；Described communication module is configured to the data transfer of described electric instrument to external equipment.
Electric instrument the most according to claim 5, it is characterised in that described communication module realizes the communication between described external equipment by RS485 bus or Ethernet or GMS wireless public network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620086612.1U CN205786881U (en) | 2016-01-27 | 2016-01-27 | A kind of electric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620086612.1U CN205786881U (en) | 2016-01-27 | 2016-01-27 | A kind of electric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786881U true CN205786881U (en) | 2016-12-07 |
Family
ID=57413142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620086612.1U Expired - Fee Related CN205786881U (en) | 2016-01-27 | 2016-01-27 | A kind of electric instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782702A (en) * | 2018-12-06 | 2019-05-21 | 安徽凯川电力保护设备有限公司 | A kind of mixing instrument method for allocating tasks based on multi-task architecture |
-
2016
- 2016-01-27 CN CN201620086612.1U patent/CN205786881U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782702A (en) * | 2018-12-06 | 2019-05-21 | 安徽凯川电力保护设备有限公司 | A kind of mixing instrument method for allocating tasks based on multi-task architecture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |