CN204258292U - DC switchgear and communication cabinet - Google Patents
DC switchgear and communication cabinet Download PDFInfo
- Publication number
- CN204258292U CN204258292U CN201420785399.4U CN201420785399U CN204258292U CN 204258292 U CN204258292 U CN 204258292U CN 201420785399 U CN201420785399 U CN 201420785399U CN 204258292 U CN204258292 U CN 204258292U
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- main line
- patchcord
- branch road
- branch
- switchgear
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Abstract
The utility model relates to a kind of DC switchgear and communication cabinet, and described DC switchgear comprises: main line input terminal, main line patchcord, main line protection module, branch road input patchcord, branch protection switch, at least one branch road patchcord and branch road binding post; Described main line input terminal is connected with described main line protection module by main line patchcord; Described branch road input patchcord one end is connected to the output of main line protection module, and the other end is connected with corresponding branch protection switch respectively, and described branch protection switch is connected with at least one branch road binding post by branch road patchcord.The utility model is when the communication equipment load summation that each branch road binding post connects is excessive; main line protection module can disconnect in time; thus avoid communication equipment or main line patchcord to be burned fusing thus cause the situation of distribution fault or fire, thus improve the distribution reliability of whole DC power supply apparatus.
Description
[technical field]
The utility model relates to DC distribution technology, particularly relates to a kind of DC switchgear and comprises the communication cabinet of this DC switchgear.
[background technology]
Communication cabinet is a kind of common communication equipment, can mounted base station equipment, power-supply device, storage battery, temperature control device, transmission equipment and other corollary equipments or reserve installing space and heat exchange capacity for above equipment in usual communication cabinet.Communication cabinet needs to provide machinery and environmental protection reliably for internal unit normally runs.
At present, conventional communication cabinet comprises cabinet, power supply unit, vertically walks line bracket, horizontal wire binding bracket, equipotential conductor, the panel that keeps out the wind, ventilation front plate, cable assembly, fan unit, dustproof unit etc.Along with improving constantly of communications industry device integration, the communication equipment quantity be arranged in communication cabinet also gets more and more, and required amount is also increasing, makes the load of power supply unit main line input circuit also increasing.Because the load of communication equipment is not unalterable, and can change along with the using state of this communication equipment, therefore easily there is OL phenomenon in power supply unit, in order to enable each communication equipment in rack run well, has higher requirement to the reliability of power supply unit.At present, power supply unit is directly split into multiple branch road by main line patchcord, directly powers to the equipment in rack, easily affects the reliability of power supply unit.In addition, along with the variation of the power interface of equipment, each branch road only can connect the power supply way of output that a road exports and also defines the bearer cap of rack at present, the diverse requirements making rack be difficult to meet equipment to power.
[utility model content]
Based on this, be necessary directly to be split into multiple branch road by main line patchcord for power supply unit in prior art, directly the equipment in rack powered, easily affect the integrity problem of power supply unit, a kind of DC switchgear is provided.
A kind of DC switchgear, comprising:
Main line input terminal, main line patchcord, main line protection module, branch road input patchcord, branch protection switch, at least one branch road patchcord and branch road binding post;
Described main line input terminal is connected with described main line protection module by main line patchcord;
Described branch road input patchcord one end is connected to the output of main line protection module, and the other end is connected with corresponding branch protection switch respectively, and described branch protection switch is connected with at least one branch road binding post by branch road patchcord.
The utility model adds main line protection module and branch protection switch respectively between main line patchcord and branch road patchcord; when the communication equipment load that a certain branch road binding post connects is excessive; described branch protection switch can disconnect in time; thus avoid the electric current because flowing through this communication equipment excessive and burn out communication equipment, the electric current because of single branch road also can be avoided excessive and whole DC switchgear is burned and causes other communication equipment cannot the situation of normal power supply.When the communication equipment load summation that each branch road binding post connects is excessive; main line protection module can disconnect in time; thus avoid communication equipment or main line patchcord to be burned fusing thus cause the situation of distribution fault or fire, thus improve the distribution reliability of whole DC power supply apparatus.
In addition, the utility model also provides a kind of communication cabinet, comprising: DC switchgear; Described DC switchgear comprises main line input terminal, main line patchcord, main line protection module, branch road input patchcord, branch protection switch, at least one branch road patchcord and branch road binding post;
Described main line input terminal is connected with described main line protection module by main line patchcord;
Described branch road input patchcord one end is connected to the output of main line protection module, and the other end is connected with corresponding branch protection switch respectively, and described branch protection switch is connected with at least one branch road binding post by branch road patchcord.
By the power supply of described DC switchgear to communication equipment, can the safe distribution of electric power of communication equipment described in available protecting, avoid communication equipment to burn out because electric current is excessive, improve the distribution reliability of whole communication cabinet.
[accompanying drawing explanation]
Fig. 1 is the electrical block diagram of a kind of embodiment of the utility model DC switchgear;
Fig. 2 is the electrical block diagram of the another kind of embodiment of the utility model DC switchgear.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, it is the electrical block diagram of a kind of embodiment of the utility model DC switchgear.
A kind of DC switchgear, comprising: main line input terminal 101, main line patchcord 102, main line protection module 103, branch road input patchcord 104, branch protection switch 105, at least one branch road patchcord 106 and branch road binding post 107;
Described main line input terminal 101 is connected with described main line protection module 103 by main line patchcord 102; Described main line input terminal 101 can input patchcord by main line and be connected with external power source, usual described external power source is negative direct current system, described main line input terminal 101 comprises main line negative input terminal and equipotential pole, main line input terminal, described main line negative input terminal is connected with the negative pole of negative direct current system, and is connected with the negative pole port of main line protection module 103 by corresponding main line patchcord 102; Equipotential pole, described main line input terminal is extremely connected with the equipotential of described negative direct current system, and is connected with the equipotential port of main line protection module 103 by corresponding main line patchcord 102.
Preferably, described main line protection module 103 is a kind of overcurrent protective device, can be single-phase, two-phase or three-phase air switch.
Described branch road input patchcord 104 one end is connected to the output of main line protection module 103; the other end is connected with corresponding branch protection switch 105 respectively, and described branch protection switch 105 is connected with at least one branch road binding post 107 by branch road patchcord 106.Correspondingly; described branch road binding post 107 also comprises branch road negative terminal and branch road equipotential is extremely sub; wherein; branch road negative terminal is connected with branch protection switch 105 by corresponding branch road patchcord 106, and described branch road equipotential terminal is directly connected with the equipotential end of main line protection module 103 output.
Preferably, described branch protection switch 105 is single-phase air switch, and quantity is 2-4.
The utility model adds main line protection module 103 and branch protection switch 105 respectively between main line patchcord 102 and branch road patchcord 106; when the communication equipment load that a certain branch road binding post 107 connects is excessive; described branch protection switch 105 can disconnect in time; thus avoid the electric current because flowing through this communication equipment excessive and burn out communication equipment, the electric current because of single branch road also can be avoided excessive and whole DC switchgear is burned and causes other communication equipment cannot the situation of normal power supply.When the communication equipment load summation that each branch road binding post 107 connects is excessive; main line protection module 103 can disconnect in time; thus avoid communication equipment or main line patchcord 102 to be burned fusing thus cause the situation of distribution fault or fire, thus improve the distribution reliability of whole DC power supply apparatus.
Refer to Fig. 2, it is the electrical block diagram of the another kind of embodiment of the utility model DC switchgear.
Preferably, described branch protection switch 105 is connected with two branch road binding posts 107 by branch road patchcord 106.Namely described branch road patchcord 106 one end connects branch protection switch 105, and the other end is connected with two branch road binding posts 107 respectively by adapter assembly.
Branch protection switch 105 is connected with two branch road binding posts 107 by branch road patchcord 106; the quantity of the communication equipment that DC switchgear connects can be increased; meet more eurypalynous power supply interface simultaneously; thus increase the struck capacity of DC switchgear, improve the power supply integrated level of communication equipment in communication cabinet.
Preferably, DC switchgear can also comprise test jack 108, and described test jack 108 is connected with the output of main line protection module 103.
Described test jack 108 can external tester, provide engineering site environment flexibly, make engineers and technicians or attendant can measure the electric information of whole DC switchgear easily, be convenient to engineers and technicians and whole DC switchgear tested and safeguards.
A kind of communication cabinet, comprises the DC switchgear described in above any embodiment.
By the power supply of described DC switchgear to communication equipment; can the safe distribution of electric power of communication equipment described in available protecting; avoid communication equipment to burn out because electric current is excessive, improve the distribution reliability of whole communication cabinet, the power supply integrated level of communication equipment in communication cabinet can be improved.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (6)
1. a DC switchgear, is characterized in that, comprising:
Main line input terminal, main line patchcord, main line protection module, branch road input patchcord, branch protection switch, at least one branch road patchcord and branch road binding post;
Described main line input terminal is connected with described main line protection module by main line patchcord;
Described branch road input patchcord one end is connected to the output of main line protection module, and the other end is connected with corresponding branch protection switch respectively, and described branch protection switch is connected with at least one branch road binding post by branch road patchcord.
2. DC switchgear according to claim 1, is characterized in that, described main line protection module is single-phase, two-phase or three-phase air switch.
3. DC switchgear according to claim 1, is characterized in that, described branch protection switch is single-phase air switch.
4. DC switchgear according to claim 1, is characterized in that, described branch protection switch is connected with two branch road binding posts by branch road patchcord.
5. DC switchgear according to claim 1, is characterized in that, also comprises test jack, and described test jack is connected with the output of main line protection module.
6. a communication cabinet, is characterized in that, comprises the DC switchgear as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785399.4U CN204258292U (en) | 2014-12-12 | 2014-12-12 | DC switchgear and communication cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785399.4U CN204258292U (en) | 2014-12-12 | 2014-12-12 | DC switchgear and communication cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258292U true CN204258292U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785399.4U Active CN204258292U (en) | 2014-12-12 | 2014-12-12 | DC switchgear and communication cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258292U (en) |
-
2014
- 2014-12-12 CN CN201420785399.4U patent/CN204258292U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160902 Address after: 300193, agricultural building 606 (Science and Technology Park), 26 Aerospace Road, Tianjin, Nankai District Patentee after: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. Address before: 510663 Luogang District Science City, Guangzhou, Shenzhou Road, No. 10, Guangdong Patentee before: Comba Telecom System (China) Co., Ltd. |