CN204835708U - Low -voltage moulded case circuit breaker with join in marriage and become monitor function - Google Patents
Low -voltage moulded case circuit breaker with join in marriage and become monitor function Download PDFInfo
- Publication number
- CN204835708U CN204835708U CN201520581946.1U CN201520581946U CN204835708U CN 204835708 U CN204835708 U CN 204835708U CN 201520581946 U CN201520581946 U CN 201520581946U CN 204835708 U CN204835708 U CN 204835708U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- distribution transformer
- low
- intelligent control
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a low -voltage moulded case circuit breaker with join in marriage and become monitor function contains moulded case circuit breaker switch body and intelligent control module, the inside of moulded case circuit breaker switch body contain combination formula current transformer, the intelligent control module include electrical unit, exchange sampling unit, MCU processing unit and liquid crystal display unit, the intelligent control module can be through gathering voltage, electric current, calculate distribution transformer's active power, reactive power, demand, meritorious electric quantity, idle electric quantity and power factor to change monitor function is joined in marriage in the realization. The utility model discloses real -time supervision distribution transformer's operating mode has improved service reliability, and the back panel wiring is simple, has improved production efficiency.
Description
Technical field
The utility model relates to a kind of low-pressure plastic shell circuit breaker with distribution transformer monitoring function, belongs to the technical field of low-voltage circuit breaker.
Background technology
Low-voltage circuit breaker is a kind of important control and protective switching device in low-voltage network, is used for closing, carry, cut-off the running current of operating loop, overload current and short circuit current.Along with the development of low-voltage electrical apparatus; successively the multiple products such as electronic type molded case circuit breaker, residual current action breaker, Based Intelligent Control and protection switch are there is; the function such as Based Intelligent Control, earth leakage protective is added in these products; but, or some is not enough or do not jump out the mentality of designing of intelligent breaker.
At present; on the market the product such as existing electronic type molded case circuit breaker, residual current action breaker, Based Intelligent Control and protection switch only have leak electricity, short circuit, overload protection divide-shut brake; do not possess distribution transformer monitoring function; when electric company monitors the operating state of distribution transforming; just need Distribution transformer is installed, realize the monitoring of working condition of distribution transformer.In distribution box, install Distribution transformer, one is increase equipment investment, and two is that distribution box volume increases, and three is coordinate distribution transformer monitoring instrument to need outside to install three current transformers, increases the workloads such as secondary connection.
Distribution box increases Distribution transformer, in distribution box manufacture, on cost, design in, fit on workload is comparatively large, so, in low-pressure plastic shell circuit breaker inner increase distribution transformer monitoring function, simplify above work and cost, be significant.At present, consult the patent documentation about intelligent breaker, there is no the open Related product increasing distribution transformer monitoring function on-board the circuit breaker.
Utility model content
The technical problems to be solved in the utility model be at present on the market the product such as existing electronic type molded case circuit breaker, residual current action breaker, Based Intelligent Control and protection switch only have leak electricity, short circuit, overload protection divide-shut brake; do not possess distribution transformer monitoring function; when electric company monitors the operating state of distribution transforming; just need Distribution transformer is installed; realize the problem of the monitoring of working condition of distribution transformer; if and distribution box realizes distribution transformer monitoring of working condition; just need the equipment such as Distribution transformer, add the problem of cost and installing space.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is:
There is a low-pressure plastic shell circuit breaker for distribution transformer monitoring function, comprise breaker of plastic casing Switch main body and intelligent control module; Combined type current transformer is contained in the inside of described breaker of plastic casing Switch main body; Described intelligent control module comprises power subsystem, AC sampling unit, MCU processing unit and liquid crystal display; Described intelligent control module by gathering voltage, electric current, can calculate the active power of distribution transformer, reactive power, requirement, active energy, capacity of idle power and power factor, thus realizing distribution transformer monitoring function.
The Combined type current transformer of described low-pressure plastic shell circuit breaker inside comprises three current transformers and a zero sequence current mutual inductor, can measure single channel electric current and zero-sequence current.
Described intelligent control module can plug.
Beneficial effect:
After low-pressure plastic shell circuit breaker of the present utility model has distribution transformer monitoring function, effect embodies as follows:
1) to reduce investment outlay and man-hour: Distribution transformer all can save in many occasions, saves equipment investment.Distribution transformer saves, and the secondary line between device reduces, and back panel wiring is simple, improves production efficiency.
2) operating mode of Real-Time Monitoring distribution transformer, improves power supply reliability.
3) economize on electricity: many occasions need not install the equipment such as Distribution transformer again, and in distribution box, the equipment total power consumption of device reduces greatly, reaches power savings.
4) simplicity of design: due to the minimizing of secondary connection, monitoring equipment, the design of distribution box will become very simple.
Accompanying drawing explanation
Fig. 1: there is distribution transformer monitoring function low-voltage circuit breaker schematic appearance.
Fig. 2: there is distribution transformer monitoring function low-voltage circuit breaker internal structure schematic diagram.
Fig. 3: there is distribution transformer monitoring function low-voltage circuit breaker intelligent control module scheme of installation.
Fig. 4: there is distribution transformer monitoring function low-voltage circuit breaker modular circuit composition schematic block diagram.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, a kind of low-pressure plastic shell circuit breaker with distribution transformer monitoring function, comprises breaker of plastic casing Switch main body and intelligent control module; Combined type current transformer is contained in the inside of described breaker of plastic casing Switch main body; Described intelligent control module comprises power subsystem, AC sampling unit, MCU processing unit and liquid crystal display; Described intelligent control module by gathering voltage, electric current, can calculate the active power of distribution transformer, reactive power, requirement, active energy, capacity of idle power and power factor, thus realizing distribution transformer monitoring function.
Fig. 1 is the schematic appearance of distribution transformer monitoring function low-pressure plastic shell circuit breaker.Fig. 2 is the internal structure schematic diagram of the low-pressure plastic shell circuit breaker of distribution transformer monitoring function, and Combined type current transformer 1 comprises three current transformers and a zero sequence current mutual inductor, can measure single channel electric current and zero-sequence current.In Fig. 3, the intelligent control module 2 of the low-pressure plastic shell circuit breaker of distribution transformer monitoring function, can plug.Fig. 4 is for having distribution transformer monitoring function low-voltage circuit breaker intelligent control module control logic block diagram, intelligent control module gathers the electric current of Combined type current transformer and the voltage of circuit breaker busbar, thus calculate the data such as active power, reactive power, requirement, active energy, capacity of idle power, power factor of distribution transformer, can store data according to 15 minutes intervals, the data realizing various curve store.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; any those skilled in the art; do not departing within the scope of technical solutions of the utility model; according to technical spirit of the present utility model, any simple amendment that above embodiment is done, equivalently replace and improve, within the protection range all still belonging to technical solutions of the utility model.
Claims (4)
1. there is a low-pressure plastic shell circuit breaker for distribution transformer monitoring function, it is characterized in that: comprise breaker of plastic casing Switch main body and intelligent control module; Combined type current transformer is contained in the inside of described breaker of plastic casing Switch main body; Described intelligent control module comprises power subsystem, AC sampling unit, MCU processing unit and liquid crystal display; Described intelligent control module by gathering voltage, electric current, can calculate the active power of distribution transformer, reactive power, requirement, active energy, capacity of idle power and power factor, thus realizing distribution transformer monitoring function.
2. there is the low-pressure plastic shell circuit breaker of distribution transformer monitoring function as claimed in claim 1, it is characterized in that: the Combined type current transformer of described low-pressure plastic shell circuit breaker inside comprises three current transformers and a zero sequence current mutual inductor, can measure single channel electric current and zero-sequence current.
3. there is the low-pressure plastic shell circuit breaker of distribution transformer monitoring function as claimed in claim 1 or 2, it is characterized in that: described intelligent control module can plug.
4. there is the low-pressure plastic shell circuit breaker of distribution transformer monitoring function as claimed in claim 3, it is characterized in that: the breaker of plastic casing ac rated voltage told is 400V and following, and rated current is less than 1600A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581946.1U CN204835708U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with join in marriage and become monitor function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581946.1U CN204835708U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with join in marriage and become monitor function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835708U true CN204835708U (en) | 2015-12-02 |
Family
ID=54693263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520581946.1U Active CN204835708U (en) | 2015-08-05 | 2015-08-05 | Low -voltage moulded case circuit breaker with join in marriage and become monitor function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676030A (en) * | 2016-01-29 | 2016-06-15 | 杭州海兴电力科技股份有限公司 | Transformer monitoring terminal |
| CN109859994A (en) * | 2018-12-04 | 2019-06-07 | 上海电器科学研究所（集团）有限公司 | A kind of electric quantity monitoring attachment and its application method exchanging breaker of plastic casing |
-
2015
- 2015-08-05 CN CN201520581946.1U patent/CN204835708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676030A (en) * | 2016-01-29 | 2016-06-15 | 杭州海兴电力科技股份有限公司 | Transformer monitoring terminal |
| CN109859994A (en) * | 2018-12-04 | 2019-06-07 | 上海电器科学研究所（集团）有限公司 | A kind of electric quantity monitoring attachment and its application method exchanging breaker of plastic casing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103501058A (en) | Energy efficiency management system based on intelligent transformer area | |
| CN204835708U (en) | Low -voltage moulded case circuit breaker with join in marriage and become monitor function | |
| CN201724966U (en) | Fast access type electric meter box | |
| CN204857602U (en) | Low -voltage moulded case circuit breaker with load management function | |
| CN204903675U (en) | Low -voltage moulded case circuit breaker with electric energy quality monitoring function | |
| CN103094845B (en) | Intelligent power-saving inlet wire main cabinet | |
| CN204407733U (en) | A kind of cable branch box | |
| CN207010251U (en) | A kind of new double-bus electrokinetic cell forming and capacity dividing energy saving system | |
| CN204118518U (en) | A kind of chamber type charging station | |
| CN106940392B (en) | External circuit breaker of electric energy meter with automatic switching-on and switching-off function | |
| CN204857604U (en) | Low -voltage moulded case circuit breaker with wiFi communication function | |
| CN202693675U (en) | Power circuit for intelligent electric meter and three-phase intelligent electric meter with power circuit | |
| CN204190987U (en) | A kind of control cabinet for street lamp | |
| CN203416183U (en) | Distributed electric power supply system | |
| CN203377598U (en) | Intelligent load balancing apparatus | |
| CN202798000U (en) | Static var generator (SVG) high voltage static reactive power compensation system | |
| CN202471920U (en) | Cell PACK charge-and-discharge testing arrangement | |
| CN204809867U (en) | APF active power filter | |
| CN203788209U (en) | Local control device for circulating water pump motor of power plant utility-type unit | |
| CN205104994U (en) | Transformer platform district load control ware | |
| CN204012295U (en) | The compact-type low-voltage comprehensive distribution box that a kind of one side opens the door | |
| CN201742313U (en) | Portable direct current power supply of transformer substation | |
| CN203415979U (en) | 10-35kV high-voltage active-filtering online-monitoring switchgear system | |
| CN204361691U (en) | Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation | |
| CN202134959U (en) | Intelligent protective device for substation in rural power network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |