CN203193138U - Low voltage crossover fuse box - Google Patents
Low voltage crossover fuse box Download PDFInfo
- Publication number
- CN203193138U CN203193138U CN 201320151305 CN201320151305U CN203193138U CN 203193138 U CN203193138 U CN 203193138U CN 201320151305 CN201320151305 CN 201320151305 CN 201320151305 U CN201320151305 U CN 201320151305U CN 203193138 U CN203193138 U CN 203193138U
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- CN
- China
- Prior art keywords
- fuse box
- box
- low voltage
- low pressure
- over connection
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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 relates to a low voltage crossover fuse box. The low voltage crossover fuse box is installed between a low voltage end of a transformer and a low voltage power grid; the fuse box is provided with an integrally closed joint junction box; wirings of the inside devices in the fuse box and the external metering devices of the fuse box are individually inserted to corresponding wiring terminal of the joint junction box to realize electrical connection; and the joint junction box separates each voltage and current wiring terminal. The fuse box effectively improves safety protection measures for workers, and eradicates failure caused by the damage of a voltage fuse tube, thereby greatly reducing failure rate of the low voltage crossover fuse box, facilitating daily maintenance, repair and power transmission and power cut, increasing working efficiency, reducing unnecessary repair work, and facilitating inspection and maintenance work on secondary equipment due to line loss.
Description
Technical field
The utility model relates to a kind of power equipment, particularly a kind of low pressure cross-over connection fuse box.
Background technology
Low pressure cross-over connection fuse box is that the outdoor bar of low-voltage distribution electrical network becomes one of visual plant in the device; it is installed between step-down side and the low voltage electric network; both can be used as the short circuit of low voltage electric network and the protective device of overload, and can realize the input of low voltage electric network and cut off operation by operation its " branch ", " closing " again.
There is following problem in original low pressure cross-over connection fuse box: 1) original wiring is arranged by low-voltage wiring terminal, to regular maintenance, breakdown maintenance, stop sending electricity to make troubles.2) original terminal board voltage end is the 5A fusion tube, and is more fragile.3) original terminal board is exposed conveying appliance, outside voltage, current terminal are exposed to, the staff is brought hidden danger safely.4) the little line of original fuse box instrument transformer secondary is and connects, and does not meet the requirement that Utilities Electric Co.'s metrological regulation should discharge separately about the little line of instrument transformer secondary.
The utility model content
The purpose of this utility model provides a kind of low pressure cross-over connection fuse box, replaced original connecting terminal block with the associating terminal box, change the little line of Current Transformer Secondary into independent discharging, also having set up capping covers exposed each the phase connection terminal of script, thereby guarantee that wiring is accurately attractive in appearance, equipment is safe and reliable to operation and easy to maintenance.
In order to achieve the above object, the technical solution of the utility model provides a kind of low pressure cross-over connection fuse box, be installed between step-down side and the low voltage electric network, be provided with integrally closed associating terminal box in the described fuse box, wiring on the outside measuring equipment of described fuse box internal components and described fuse box is plugged on separately on this associating terminal box respective terminal and realizes being electrically connected; Binding post with each phase voltage and electric current in the described associating terminal box separates respectively.
The binding post place of voltage is provided with brace in the described associating terminal box.
Being provided with capping in the described fuse box covers each phase connection terminal of described associating terminal box.
Preferred a kind of described capping is transparent plastic jacket.
Electric current turnover line is set on each phase current mutual inductor in the described fuse box separately individually.
Compared with prior art, low pressure cross-over connection fuse box described in the utility model, its advantage is: in the improved fuse box of the utility model, whole, enclosed associating terminal box have been used, original fusion tube is improved into non-damageable brace, set up capping exposed each the phase connection terminal of script has been covered, and improved the mode of connection of the little line of Current Transformer Secondary.Therefore; effectively improve staff's safety precautions; stopped to be damaged and the fault brought by the voltage fusion tube; thereby greatly reduce the failure rate of low pressure cross-over connection fuse box; can give us regular maintenance, overhaul, stop sending electricity to bring convenience; improve operating efficiency, reduced unnecessary repairing work, made things convenient for the work that secondary device is checked and safeguards because of the line loss problem.
Description of drawings
Fig. 1 is the structural representation of low pressure cross-over connection fuse box one side described in the utility model;
Fig. 2 is the structural representation of low pressure cross-over connection fuse box opposite side described in the utility model.
Embodiment
Cooperation is referring to Fig. 1, shown in Figure 2, other components and parts in the low pressure cross-over connection fuse box described in the utility model (following or abbreviation fuse box 10) can be arranged in common mode, and will be wherein the terminal board of original combination-inlaying formula, bareing, be replaced by whole, enclosed associating terminal box 20, making has at interval and can realize the disconnection of every phase voltage electric current, short circuit etc. between the binding post of each the phase voltage electric current in the utility model.Also the 5A fusion tube of original terminal board voltage end is replaced by non-damageable brace.
And, in order to cover original exposed each phase connection terminal, also further be provided with capping for described associating terminal box 20 in the fuse box 10 of the present utility model, for example be a kind of transparent plastic jacket.Therefore, the staff can't touch operating associating terminal box 20 live parts, guarantees staff's personal safety and device security, and assurance equipment normally moves.
In addition, a wiring has only been used in the original little line of current transformer 30 secondaries outlet, measures inaccurate.To this, the utility model also carries out the wiring rectification in described fuse box 10, the little line of current transformer 30 secondaries is discharged separately, namely from each current transformer 30, pick out electric current turnover line separately individually, accurate and attractive in appearance to guarantee wiring at work, and then guarantee normally to measure accurately.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (5)
1. low pressure cross-over connection fuse box, be installed between step-down side and the low voltage electric network, it is characterized in that, be provided with integrally closed associating terminal box in the described fuse box, wiring on the outside measuring equipment of described fuse box internal components and described fuse box is plugged on separately on this associating terminal box respective terminal and realizes being electrically connected; Binding post with each phase voltage and electric current in the described associating terminal box separates respectively.
2. low pressure cross-over connection fuse box as claimed in claim 1 is characterized in that,
The binding post place of voltage is provided with brace in the described associating terminal box.
3. low pressure cross-over connection fuse box as claimed in claim 1 is characterized in that,
Being provided with capping in the described fuse box covers each phase connection terminal of described associating terminal box.
4. low pressure cross-over connection fuse box as claimed in claim 3 is characterized in that,
Described capping is transparent plastic jacket.
5. low pressure cross-over connection fuse box as claimed in claim 1 is characterized in that,
Electric current turnover line is set on each phase current mutual inductor in the described fuse box separately individually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151305 CN203193138U (en) | 2013-03-29 | 2013-03-29 | Low voltage crossover fuse box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151305 CN203193138U (en) | 2013-03-29 | 2013-03-29 | Low voltage crossover fuse box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193138U true CN203193138U (en) | 2013-09-11 |
Family
ID=49109968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320151305 Expired - Lifetime CN203193138U (en) | 2013-03-29 | 2013-03-29 | Low voltage crossover fuse box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548947A (en) * | 2018-03-30 | 2018-09-18 | 上海电力学院 | A kind of guillotine type electric energy metering combined wiring box |
-
2013
- 2013-03-29 CN CN 201320151305 patent/CN203193138U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548947A (en) * | 2018-03-30 | 2018-09-18 | 上海电力学院 | A kind of guillotine type electric energy metering combined wiring box |
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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: 20130911 |
|
| CX01 | Expiry of patent term |