CN202651638U - A switch cabinet - Google Patents
A switch cabinet Download PDFInfo
- Publication number
- CN202651638U CN202651638U CN2012202652684U CN201220265268U CN202651638U CN 202651638 U CN202651638 U CN 202651638U CN 2012202652684 U CN2012202652684 U CN 2012202652684U CN 201220265268 U CN201220265268 U CN 201220265268U CN 202651638 U CN202651638 U CN 202651638U
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- CN
- China
- Prior art keywords
- wireless energy
- capacitor
- power supply
- circuit breaker
- switch cubicle
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a switch cabinet and belongs to technical field of electrical equipment. The switch cabinet comprises a cabinet door and at least one breaker disposed in the switch cabinet. The switch cabinet is characterized in that the cabinet door of the switch cabinet is equipped with a wireless energy emitting source, that wireless energy receiving sources are mounted in electronic components of the breaker, and that the wireless energy receiving sources receive energy from the wireless energy emitting source and supply power for the electronic components of the breaker. The advantages of the switch cabinet are that wireless power supply for the electronic components of the breaker is achieved, that a problem of power supply for the electronic components because of inconvenient power supply connection is resolved, that installing flexibility of the electronic components is increased, that power supply mode of the electronic components of the breaker is optimized, that power supply reliability is increased, that development demand for miniaturization of the breaker is satisfied while cost is reduced, and that integral wire arrangement in the switch cabinet is simplified so that work efficiency is raised.
Description
Technical field
The utility model belongs to electrical equipment technical field, is specifically related to a kind of switch cubicle that improves supply power mode
Background technology
In the prior art, the supply power mode of switch cubicle Low Voltage Circuit Breaker electronic unit generally is divided into the current transformer self-powered and accessory power supply is powered outward, and only a few adopts industrial battery.Since current transformer output finite energy, the usually only power supply of responsible intelligent controller, and other electronic unit such as contact temperature monitoring modular, communication module, display module etc. all need to power by main circuit power.And for the electronic unit of low-voltage power supply (such as communication module), main circuit power is transformed into this module required voltage could use.At present, power supply all is connected by electric wire with electronic unit, in addition, in order to guarantee power supply safety, reliable, needs between the power supply of different electronic units to isolate with isolation module.See also Fig. 1, show the power supply connected mode of present switch cubicle inner breaker electronic unit, and describe as an example of two circuit breakers example.Circuit breaker 1, circuit breaker 2 are installed in the switch cubicle, and the circuit breaker electric subassembly can be installed in the circuit breaker, also can be installed on outside the circuit breaker.Main circuit power is through sending into the electronic unit of low-voltage power supply behind the power module, for the electronic unit of High Voltage Power Supply, main circuit power can directly access.Further, the circuit breaker electric subassembly sees also Fig. 2 take the contact temperature monitoring modular as example, shows the connection layout of present contact temperature monitoring modular and circuit breaker.Sensors A, B, C are installed in respectively on A, B, the C contact of circuit breaker, and the contact temperature monitoring modular is installed on outside the circuit breaker, and each transducer links to each other with the contact temperature monitoring modular by electric wire, and main circuit power is directly inputted the contact temperature monitoring modular.The shortcoming of said structure is: connect accessory power supply and electronic unit by electric wire, particularly connect inconvenient electronic unit (such as the contact temperature monitoring modular), should consider the connected mode of power supply and transducer, consider again its electrical security, so that overall routing is complicated, be unfavorable for improving product reliability.In addition, most of electronic units need to convert the high voltage source of major loop to low-tension supply by power module, and the general volume of power module is larger, input with export between need carry out electrical isolation, make electronic unit be difficult to realize miniaturization, increased again its cost simultaneously.And when both connect unreliable or during the wrong power supply, can make the electronic unit cisco unity malfunction, can cause electronic unit to damage when serious.
In view of above-mentioned prior art, be necessary existing switch cubicle is improved, technical scheme described below produces under this background
Summary of the invention
The purpose of this utility model is to provide a kind of switch cubicle, by the cooperation of wireless energy emission source and wireless energy reception sources, the electronic unit of different circuit breakers is powered, thereby simplified wiring is saved cost.
The purpose of this utility model reaches like this, a kind of switch cubicle, comprise that cabinet door and at least one are arranged on the circuit breaker in the switch cubicle, it is characterized in that: the cabinet door at described switch cubicle is provided with the wireless energy emission source, the wireless energy reception sources is installed in the electronic unit of described circuit breaker, described wireless energy reception sources is used for receiving the energy from the wireless energy emission source, and is the electronic unit power supply of circuit breaker.
In a specific embodiment of the present utility model, described circuit breaker electric subassembly refers to wherein a kind of or more than one the combination in intelligent controller, communication module, programmable contact output module and the contact temperature monitoring modular.
In another specific embodiment of the present utility model, the Energy Transfer between described wireless energy emission source and the wireless energy reception sources adopts the resonance coupling mode.
In another specific embodiment of the present utility model, described wireless energy emission source comprises inductance L 1 and capacitor C 1, inductance L 1 and capacitor C 1 rear two ends access power supply in parallel; Described wireless energy reception sources comprises inductance L 2, capacitor C 2, C3 and rectifier bridge D1, the end of one termination capacitor C2 of described inductance L 2 and 1 pin of rectifier bridge D1, the other end of another termination capacitor C 2 of inductance L 2 and 3 pin of rectifier bridge D1,2 pin of rectifier bridge D1 connect anodal and output DC source, 4 pin of rectifier bridge D1 and the negative pole common ground of capacitor C 3 of capacitor C 3.
The utility model is owing to adopted said structure, the wireless energy emission source places on the door of switch cabinet, circuit breaker is installed in the switch cubicle, the electronic unit of circuit breaker obtains energy by the wireless energy reception sources, and the different electronic units of same circuit breaker all can obtain energy from same energy source, when in the switch cubicle many circuit breakers being installed, the electronic unit of different circuit breakers all also can obtain energy from same energy source.The advantage that the design's structure has: realized the wireless power of circuit breaker electronic unit, solved the powerup issue that connects inconvenient electronic unit because of power supply, improved the electronic unit Installation Flexibility; In addition, optimize the supply power mode of circuit breaker electronic unit, improved power supply reliability, satisfied the growth requirement of circuit breaker miniaturization, reduced simultaneously cost; Simplify the overall routing in the switch cubicle, improved operating efficiency.
Description of drawings
Fig. 1 is the power supply connection diagram of electronic unit of the switch cubicle inner breaker of prior art.
Fig. 2 is the contact temperature monitoring modular of prior art and the connection layout of circuit breaker.
Fig. 3 is the Power supply schematic diagram of the electronic unit of circuit breaker of the present utility model.
Fig. 4 is the circuit diagram of wireless energy emission source of the present utility model.
Fig. 5 is the circuit diagram of wireless energy reception sources of the present utility model.
Fig. 6 is the connection layout of contact temperature monitoring modular of the present utility model and circuit breaker.
Embodiment
In order to make the public can fully understand technical spirit of the present utility model and beneficial effect; the applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but the applicant is not restriction to technical scheme to the description of embodiment, anyly makes form and immaterial variation all should be considered as protection range of the present utility model according to the utility model design.
See also Fig. 3, a kind of switch cubicle comprises cabinet door and at least one circuit breaker, and described circuit breaker and circuit breaker electric subassembly are installed in the switch cubicle.In the utility model, described circuit breaker electric subassembly comprises intelligent controller, communication module, programmable contact output module and contact temperature monitoring modular etc., it can certainly be the combination of one or more electronic units wherein, be provided with the wireless energy emission source at described door of switch cabinet verge of opening, the wireless energy reception sources is installed in the electronic unit of described circuit breaker, described wireless energy reception sources is used for receiving the energy from the wireless energy emission source, and is the electronic unit power supply of circuit breaker.
In the utility model, the Energy Transfer between described wireless energy emission source and the wireless energy reception sources adopts the resonance coupling mode.Particularly, see also Fig. 4, described wireless energy emission source comprises inductance L 1 and capacitor C 1, inductance L 1 and capacitor C 1 rear two ends access power supply in parallel.See also Fig. 5, described wireless energy reception sources comprises inductance L 2, capacitor C 2, C3 and rectifier bridge D1, the end of one termination capacitor C2 of described inductance L 2 and 1 pin of rectifier bridge D1, the other end of another termination capacitor C 2 of inductance L 2 and 3 pin of rectifier bridge D1,2 pin of rectifier bridge D1 connect anodal and output DC source, 4 pin of rectifier bridge D1 and the negative pole common ground of capacitor C 3 of capacitor C 3.Wherein, inductance L 1, capacitor C 1 consist of resonator system, the emission magnetic field energy.The magnetic field energy that inductance L 2, capacitor C 2 receiving inductance L1, capacitor C 1 transmit.Diode rectifier bridge D1, capacitor C 3 form rectification circuit, and the magnetic field energy that receives is converted into electric energy output, reach the purpose of power supply.But wireless energy transfer mode of the present utility model is not limited to and adopts the resonance coupling mode, also can adopt the modes such as inductance induction coupled modes, radio radiation technology.
See also Fig. 6, the electronic unit of circuit breaker and the connection layout of circuit breaker have been shown as an example of the contact temperature monitoring modular example.The contact temperature monitoring modular is installed in the circuit breaker, and the wireless energy emission source is installed on the door of switch cabinet verge of opening, and the wireless energy reception sources is installed in the contact temperature monitoring modular.When carrying out Energy Transfer between wireless energy emission source and the wireless energy reception sources, the wireless energy reception sources offers the contact temperature monitoring modular with the energy that receives, and makes it work.
In sum, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (4)
1.
A kind of switch cubicle, comprise that cabinet door and at least one are arranged on the circuit breaker in the switch cubicle, it is characterized in that: the cabinet door at described switch cubicle is provided with the wireless energy emission source, the wireless energy reception sources is installed in the electronic unit of described circuit breaker, described wireless energy reception sources is used for receiving the energy from the wireless energy emission source, and is the electronic unit power supply of circuit breaker.
2.
A kind of switch cubicle according to claim 1 is characterized in that described circuit breaker electric subassembly refers to wherein a kind of or more than one the combination in intelligent controller, communication module, programmable contact output module and the contact temperature monitoring modular.
3.
A kind of switch cubicle according to claim 1 is characterized in that the Energy Transfer between described wireless energy emission source and the wireless energy reception sources adopts the resonance coupling mode.
4.
A kind of switch cubicle according to claim 1 is characterized in that described wireless energy emission source comprises inductance L 1 and capacitor C 1, inductance L 1 and capacitor C 1 rear two ends access power supply in parallel; Described wireless energy reception sources comprises inductance L 2, capacitor C 2, C3 and rectifier bridge D1, the end of one termination capacitor C2 of described inductance L 2 and 1 pin of rectifier bridge D1, the other end of another termination capacitor C 2 of inductance L 2 and 3 pin of rectifier bridge D1,2 pin of rectifier bridge D1 connect anodal and output DC source, 4 pin of rectifier bridge D1 and the negative pole common ground of capacitor C 3 of capacitor C 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202652684U CN202651638U (en) | 2012-06-07 | 2012-06-07 | A switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202652684U CN202651638U (en) | 2012-06-07 | 2012-06-07 | A switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651638U true CN202651638U (en) | 2013-01-02 |
Family
ID=47420685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202652684U Expired - Lifetime CN202651638U (en) | 2012-06-07 | 2012-06-07 | A switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202651638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411692A (en) * | 2013-08-09 | 2013-11-27 | 南京大全自动化科技有限公司 | Temperature measuring device for circuit breaker contact |
| CN107949211A (en) * | 2017-12-12 | 2018-04-20 | 天津联拓科技有限公司 | Use the integrated work(figure collecting device of wireless power |
| CN109103998A (en) * | 2018-09-26 | 2018-12-28 | 国网山东省电力公司海阳市供电公司 | Power receiver, transmission device and its control method |
-
2012
- 2012-06-07 CN CN2012202652684U patent/CN202651638U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411692A (en) * | 2013-08-09 | 2013-11-27 | 南京大全自动化科技有限公司 | Temperature measuring device for circuit breaker contact |
| CN107949211A (en) * | 2017-12-12 | 2018-04-20 | 天津联拓科技有限公司 | Use the integrated work(figure collecting device of wireless power |
| CN109103998A (en) * | 2018-09-26 | 2018-12-28 | 国网山东省电力公司海阳市供电公司 | Power receiver, transmission device and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |