CN203839182U - Mutual inductor assembly - Google Patents
Mutual inductor assembly Download PDFInfo
- Publication number
- CN203839182U CN203839182U CN201420234959.7U CN201420234959U CN203839182U CN 203839182 U CN203839182 U CN 203839182U CN 201420234959 U CN201420234959 U CN 201420234959U CN 203839182 U CN203839182 U CN 203839182U
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- busbar
- intelligent controller
- temperature
- low
- mutual inductor
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Abstract
The utility model provides a mutual inductor assembly which is fixedly arranged on a low-voltage circuit breaker. A phase of busbar of the low-voltage circuit breaker penetrates out of the mutual inductor assembly. The mutual inductor assembly comprises a mutual inductor shell of a hollow structure and a temperature sensor, a wire outlet hole is formed in the mutual inductor shell, the temperature sensor is fixedly arranged on the inner side face of the mutual inductor shell, the temperature signal collecting end of the temperature sensor collects temperature signals from the busbar, and the temperature signal output end of the temperature sensor is electrically connected with the temperature signal receiving end of an intelligent controller in the low-voltage circuit beaker through the wire outlet hole. Through the design, the temperature sensor can transmit the temperature signals of the busbar to the intelligent controller in real time, it is guaranteed that the intelligent controller can obtain the temperature of the busbar in time in the later period, and the intelligent controller can take protection measures in time according to temperature changes of the busbar only by obtaining the temperature of the busbar in time. Therefore, the mutual inductor assembly can avoid the situation that the temperature of the low-voltage circuit breaker is too high and the intelligent controller in the low-voltage circuit beaker is damaged.
Description
Technical field
The utility model relates to a kind of transformer component.Relate in particular to the intelligent controller transformer component in a kind of low-voltage circuit breaker.
Background technology
At the growing society of science and technology, expansion increasingly along with power supply scale, electric power system is more and more stricter to the requirement of reliability, intellectuality, automation and high efficiency, in electric power networks running, no matter be generating, transmission of electricity, distribution, or electricity consumption link, low-voltage circuit breaker is all one of of paramount importance electronic control component wherein.
Low-voltage circuit breaker, distinguishes from its performance, function, these aspects of applicability, is broadly divided into universal low-voltage circuit breaker and plastic shell low voltage breaker.Universal low-voltage circuit breaker is applicable to enterprise and communal facility distribution network more; it has intelligent protection function; can improve power supply reliability; avoided unnecessary power failure; simultaneously; the intelligent controller of universal circuit breaker can provide the functions such as bulk information demonstration, load monitoring, experiment, communication, field programming and fault parameter record, can realize the multi-stage protective to whole supply network.Plastic shell low voltage breaker is the very important electronic component of low voltage power distribution network, it can accurately identify the situations such as power consumption equipment overburden operation in power utilization network, short circuit, timely disengagement failure electric current, Accident prevention expansion causes the more havoc to whole power utilization network.Its price is more cheap than universal circuit breaker, is therefore more suitable for the use of small business's low voltage equipment.Low-voltage circuit breaker (once claiming automatic switch) is a kind of not only can connection and disjunction normal duty electric current and overload electric current, can also connect the device for switching with disjunction short circuit current.Low-voltage circuit breaker except rising control action, also has certain defencive function in circuit, as overload, short circuit, under-voltage and earth leakage protective etc.
In actual applications, intelligent controller in low-voltage circuit breaker is often by gathering the current signal of low-voltage circuit breaker busbar, judge whether normally operation of supply network, and when there are abnormal conditions, take appropriate measures to protect supply network, but when supply network occurs when abnormal, bus current unstable, often cause the quick rising of bus temperature, if the intelligent controller in low-voltage circuit breaker only judges whether to take safeguard measure by gathering current signal, likely can make safeguard measure lag behind, cause low-voltage circuit breaker excess Temperature and damage.
Utility model content
For this reason; technical problem to be solved in the utility model is that the intelligent controller in prior art Low Voltage Circuit Breaker only judges whether to take safeguard measure by gathering current signal; safeguard measure is lagged behind; easily cause low-voltage circuit breaker excess Temperature and damage, thereby the intelligent controller transformer component in a kind of low-voltage circuit breaker that can prevent low-voltage circuit breaker excess Temperature and damage is provided.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
The utility model provides a kind of transformer component, is fixed on low-voltage circuit breaker, and a phase busbar of described low-voltage short-circuiting device passes from described transformer component, and it comprises:
Instrument transformer housing, is hollow structure, is provided with wire hole on it;
Temperature sensor, is fixed on described instrument transformer housing medial surface its temperature signal collection end collecting temperature signal from described busbar; The temperature signal receiving terminal electrical connection of its temperature signal output intelligent controller in described wire hole and described low-voltage circuit breaker.
Transformer component described in the utility model, also comprises:
Hollow mutual inductor, is fixed on the medial surface of described instrument transformer housing, and its current acquisition end gathers current signal from described busbar, and its current signal output end is electrically connected through the current signal receiving terminal of described wire hole and described intelligent controller.
Transformer component described in the utility model, also comprises:
Electric energy output unit, be fixed on described hollow mutual inductor, it comprises silicon steel sheet and fast saturated instrument transformer, the two ends electrical connection of the two ends of described silicon steel sheet and the saturated instrument transformer of described speed forms loop structure, around described busbar setting, the public connecting end of described silicon steel sheet and the saturated instrument transformer of described speed is as the electric energy output end of described electric energy output unit, through the electric energy receiving terminal electrical connection of described wire hole and described intelligent controller.
Transformer component described in the utility model, also comprises:
Humidity sensor, is fixed on described instrument transformer housing medial surface, and its moisture signal collection terminal gathers moisture signal from described busbar; Its moisture signal output is through the moisture signal receiving terminal electrical connection of described wire hole and described intelligent controller.
Transformer component described in the utility model, described instrument transformer housing is bolted connection and is formed by the first housing and the second housing.
Transformer component described in the utility model, also comprises:
Humidity sensor, is positioned at described instrument transformer endoporus, and its moisture signal collection terminal gathers moisture signal from described busbar; Its moisture signal output is through the moisture signal receiving port electrical connection of described wire hole and described intelligent controller.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) transformer component described in the utility model, be fixed on low-voltage circuit breaker, one phase busbar of low-voltage circuit breaker, passes from this transformer component, and this transformer component comprises instrument transformer housing, for hollow structure, on it, be provided with wire hole, temperature sensor, is fixed on the medial surface of instrument transformer housing, its temperature signal collection end is from this busbar collecting temperature signal, and the temperature signal receiving terminal of its temperature signal output intelligent controller in wire hole and low-voltage circuit breaker is electrically connected.By this design; temperature sensor can be real-time the temperature signal by busbar transfer to intelligent controller; guaranteed that later stage intelligent controller can obtain the temperature of busbar in time; and intelligent controller only has the temperature of obtaining in time busbar; could take in time safeguard measure according to the variations in temperature of busbar; therefore, the utility model provides the intelligent controller transformer component in a kind of low-voltage circuit breaker that can prevent low-voltage circuit breaker excess Temperature and damage.
(2) transformer component described in the utility model; also comprise hollow mutual inductor; be fixed on the medial surface of instrument transformer housing; by this design; the current acquisition end of hollow mutual inductor can collect the current signal of busbar; its current output terminal is through wire hole; current signal receiving terminal by the current signal transfer of the busbar gathering to intelligent controller; can guarantee the current information that obtains bus that intelligent controller is real-time; at bus current, occur to take in time safeguard measure when abnormal, extend the useful life of low-voltage circuit breaker.
(3) transformer component described in the utility model, also comprises electric energy output unit, is fixed on hollow mutual inductor, and it comprises silicon steel sheet and fast saturated instrument transformer, and its two ends electrical connection forms loop structure, around bus setting.By this design, when having electric current to flow through busbar, between silicon steel sheet and fast saturated instrument transformer, will produce induction electric energy, the common port of silicon steel sheet and fast saturated instrument transformer, namely the electric energy output end of electric energy output unit, is connected with the electric energy receiving terminal of intelligent controller by wire hole, induction electric energy is transferred to the power circuit of intelligent controller body, each circuit module power supply for intelligent controller, has reduced energy consumption, very economical environmental protection.
(4) transformer component described in the utility model, also comprise humidity sensor, be fixed on instrument transformer housing medial surface, its moisture signal collection terminal gathers moisture signal from busbar, its moisture signal output is electrically connected by the moisture signal receiving terminal of wire hole and intelligent controller, moisture signal is transferred to intelligent controller, what make that intelligent controller can be real-time obtains busbar humidity information around, guaranteed when bus ambient humidity, light and temperature is excessive, intelligent controller can be taked safeguard measure in time, prevented short trouble appearance, extended the useful life of low-voltage circuit breaker.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of transformer component described in embodiment 1;
Fig. 2 is the structural representation of transformer component described in embodiment 2;
Fig. 3 is the operation principle block diagram of transformer component described in the utility model;
Fig. 4 is the profile that transformer component described in the utility model is cut open from A-A.
In figure, Reference numeral is expressed as: 1-instrument transformer housing, a-busbar, 2-temperature sensor, 3-hollow mutual inductor, 4-electric energy output unit, 5-humidity sensor, 11-wire hole, 41-silicon steel sheet, the saturated instrument transformer of 42-speed.
Embodiment
Embodiment 1
The utility model provides a kind of transformer component, is fixed on low-voltage circuit breaker, and a phase busbar a of described low-voltage short-circuiting device passes from described transformer component, as Fig. 1, Fig. 3, shown in Fig. 4, comprising:
Instrument transformer housing 1, is hollow structure, is provided with wire hole 11 on it;
Temperature sensor 2, is fixed on described instrument transformer housing 1 medial surface, and its temperature signal collection end is collecting temperature signal from described busbar a; The temperature signal receiving terminal electrical connection of its temperature signal output intelligent controller in described wire hole 11 and described low-voltage circuit breaker.
Transformer component described in the present embodiment, because be generally, in a phase line, there is a busbar, and conventional electrical network generally has the words of four phase lines just to have four busbars, in concrete application, can on the busbar of each phase line, be socketed a transformer component described in the present embodiment, by the temperature sensor 2 in this transformer component, the temperature signal of collection is transferred to the temperature signal receiving terminal of the intelligent controller in low-voltage circuit breaker.
Transformer component described in the present embodiment; described temperature sensor 2 can be real-time the temperature signal by described busbar transfer to intelligent controller; guaranteed that later stage intelligent controller can obtain the temperature of busbar in time; and intelligent controller only has the temperature of obtaining in time busbar; could take in time safeguard measure according to the variations in temperature of busbar; therefore, the present embodiment provides the intelligent controller transformer component in a kind of low-voltage circuit breaker that can prevent low-voltage circuit breaker excess Temperature and damage.In concrete application; intelligent controller can arrange a threshold value; when the fluctuation of the temperature signal of the busbar obtaining surpasses the threshold value of setting; start low-voltage circuit breaker and disconnect corresponding circuit and equipment; the further expansion avoiding damage; because the control method of intelligent controller belongs to prior art, and the control method of intelligent controller and intelligent controller do not belong to the protect object of the present embodiment yet, at this, do not do too much description.
Embodiment 2
On the basis of embodiment 1, the transformer component described in the present embodiment, as shown in Figure 2, Figure 3, Figure 4, also comprises:
Hollow mutual inductor 3, is fixed on the medial surface of described instrument transformer housing 1, and its current acquisition end gathers current signal from described busbar a, and its current signal output end is the current signal receiving terminal electrical connection with described intelligent controller through described wire hole 11.
Transformer component described in the present embodiment; the current acquisition end of described hollow mutual inductor 3 can collect the current signal of busbar; its current output terminal is through wire hole 11; current signal receiving terminal by the current signal transfer of the busbar gathering to intelligent controller; can guarantee the current information that obtains bus that intelligent controller is real-time; at bus current, occur to take in time safeguard measure when abnormal, extend the useful life of low-voltage circuit breaker.
As preferred embodiment a kind of, the transformer component described in the present embodiment, also comprises:
Electric energy output unit 4, be fixed on described hollow mutual inductor 3, it comprises silicon steel sheet 41 and fast saturated instrument transformer 42, the two ends electrical connection of the two ends of described silicon steel sheet 41 and the saturated instrument transformer 42 of described speed forms loop structure, around described busbar a, arrange, the public connecting end of described silicon steel sheet 41 and the saturated instrument transformer 42 of described speed, as the electric energy output end of described electric energy output unit 4, is electrically connected through described wire hole 11 and the electric energy receiving terminal of described intelligent controller.
Transformer component described in the present embodiment, when having electric current to flow through busbar, 42 of the saturated instrument transformers of described silicon steel sheet 41 and described speed will produce induction electric energy, the common port of described silicon steel sheet 41 and the saturated instrument transformer 42 of described speed, the electric energy output end of described electric energy output unit 4 namely, by wire hole 11, be connected with the electric energy receiving terminal of intelligent controller, induction electric energy is transferred to the power circuit of intelligent controller body, each circuit module power supply for intelligent controller, reduced energy consumption, very economical environmental protection.
As preferred embodiment a kind of, the transformer component described in the present embodiment, also comprises:
Humidity sensor 5, is fixed on described instrument transformer housing 1 medial surface, and its moisture signal collection terminal gathers moisture signal from described busbar a; Its moisture signal output is the moisture signal receiving terminal electrical connection with described intelligent controller through described wire hole 11.
Transformer component described in the present embodiment; the moisture signal collection terminal of described humidity sensor 5 gathers moisture signal from described busbar; its moisture signal output is electrically connected by wire hole 11 and the moisture signal receiving terminal of intelligent controller; moisture signal is transferred to intelligent controller; what make that intelligent controller can be real-time obtains busbar humidity information around; guaranteed when bus ambient humidity, light and temperature is excessive; intelligent controller can be taked safeguard measure in time; prevent short trouble appearance, extended the useful life of low-voltage circuit breaker.
As a kind of optional execution mode, the transformer component described in the present embodiment, described instrument transformer housing 1 is bolted connection and is formed by the first housing and the second housing.
Transformer component described in the present embodiment, in concrete application, described the first housing and described the second housing can be divided equally formation for described instrument transformer housing 1, because described hollow mutual inductor 3 is socketed on described electric energy output unit 4 outsides, described instrument transformer housing 1 is socketed on described hollow mutual inductor 3 outsides, after described the first housing 12 and described the second housing 13 are bolted connection, described instrument transformer housing 1, described hollow mutual inductor 3 and described electric energy output unit 4 just can be tightened to one.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And among the protection range that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (5)
1. a transformer component, is fixed on low-voltage circuit breaker, and a phase busbar (a) of described low-voltage short-circuiting device passes from described transformer component, it is characterized in that, comprising:
Instrument transformer housing (1), is hollow structure, is provided with wire hole (11) on it;
Temperature sensor (2), is fixed on described instrument transformer housing (1) medial surface, and its temperature signal collection end is collecting temperature signal from described busbar (a); The temperature signal receiving terminal electrical connection of its temperature signal output intelligent controller in described wire hole (11) and described low-voltage circuit breaker.
2. transformer component according to claim 1, is characterized in that, also comprises:
Hollow mutual inductor (3), be fixed on the medial surface of described instrument transformer housing (1), its current acquisition end gathers current signal from described busbar (a), and its current signal output end is the current signal receiving terminal electrical connection with described intelligent controller through described wire hole (11).
3. transformer component according to claim 2, is characterized in that, also comprises:
Electric energy output unit (4), be fixed on described hollow mutual inductor (3), it comprises silicon steel sheet (41) and fast saturated instrument transformer (42), the two ends electrical connection of the two ends of described silicon steel sheet (41) and the saturated instrument transformer of described speed (42) forms loop structure, around described busbar (a), arrange, the public connecting end of described silicon steel sheet (41) and the saturated instrument transformer of described speed (42), as the electric energy output end of described electric energy output unit (4), is electrically connected through described wire hole (11) and the electric energy receiving terminal of described intelligent controller.
4. transformer component according to claim 3, is characterized in that, also comprises:
Humidity sensor (5), is fixed on described instrument transformer housing (1) medial surface, and its moisture signal collection terminal gathers moisture signal from described busbar (a); Its moisture signal output is the moisture signal receiving terminal electrical connection with described intelligent controller through described wire hole (11).
5. transformer component according to claim 4, is characterized in that:
Described instrument transformer housing (1) is bolted connection and is formed by the first housing and the second housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420234959.7U CN203839182U (en) | 2014-05-08 | 2014-05-08 | Mutual inductor assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420234959.7U CN203839182U (en) | 2014-05-08 | 2014-05-08 | Mutual inductor assembly |
Publications (1)
Publication Number | Publication Date |
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CN203839182U true CN203839182U (en) | 2014-09-17 |
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ID=51516994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420234959.7U Expired - Fee Related CN203839182U (en) | 2014-05-08 | 2014-05-08 | Mutual inductor assembly |
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CN (1) | CN203839182U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017140107A1 (en) * | 2016-02-18 | 2017-08-24 | 浙江正泰电器股份有限公司 | Circuit-breaker temperature acquisition device |
-
2014
- 2014-05-08 CN CN201420234959.7U patent/CN203839182U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017140107A1 (en) * | 2016-02-18 | 2017-08-24 | 浙江正泰电器股份有限公司 | Circuit-breaker temperature acquisition device |
CN107091982A (en) * | 2016-02-18 | 2017-08-25 | 浙江正泰电器股份有限公司 | the temperature collecting device of breaker |
CN107091982B (en) * | 2016-02-18 | 2023-12-26 | 浙江正泰电器股份有限公司 | Temperature acquisition device of circuit breaker |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180508 |