CN208316052U - A kind of compact load switch cabinet - Google Patents

A kind of compact load switch cabinet Download PDF

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Publication number
CN208316052U
CN208316052U CN201820601385.0U CN201820601385U CN208316052U CN 208316052 U CN208316052 U CN 208316052U CN 201820601385 U CN201820601385 U CN 201820601385U CN 208316052 U CN208316052 U CN 208316052U
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China
Prior art keywords
load switch
wall
fixed
conducting wire
bus
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CN201820601385.0U
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Chinese (zh)
Inventor
时兴强
费旭兵
王胜
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CNC ELE EQUIPMENT GROUP LESHAN N&G ELECTRICAL Co Ltd
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CNC ELE EQUIPMENT GROUP LESHAN N&G ELECTRICAL Co Ltd
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Abstract

The utility model discloses a kind of compact load switch cabinets, including the shell fixed on the ground, the housing bottom inner wall is fixed with earthing block by screw, and earthing block top exterior walls are provided with through-hole, through-hole wall is bolted with fixed ring, and fixed ring side outer wall is welded with bus, and inner walls two sides are fixed with cable mount by screw, cable mount top exterior walls are welded with lightning-arrest column, and the lightning-arrest column top outer wall is connected to bus far from fixed ring one end by conducting wire.The utility model passes through setting three-stations load switch, interlocking case and lightning-arrest column, traditional three parts are constructed into controllable contact and are located at same operator, it may be implemented to be uniformly controlled, gas density apparatus, the load of original part in switchgear can be prevented excessive, it sounds an alarm in time and disconnects switch to guarantee switchgear safety, auxiliary contact solve the problems, such as that the arrangement of numerous line connections is random, keep maintenance more convenient.

Description

A kind of compact load switch cabinet
Technical field
The utility model relates to load switch box technical field more particularly to a kind of compact load switch cabinets.
Background technique
Switchgear is a kind of electrical equipment, controls the Push And Release of various equipment.Switchgear outside line is introduced into master control in cabinet and opens It closes, subsequently into sub-control switch, each branch is set according to its needs, and such as instrument, automatic control, motor magnetic switch, various exchanges are connect Tentaculum etc., some also set hyperbaric chamber and low-pressure chamber switchgear, are equipped with high voltage bus, such as power plant, and some is additionally provided with to protect master The low-frequency load reduction of equipment is wanted, the component in switchgear mainly has breaker, disconnecting switch, on-load switch, operating mechanism, mutual inductor And various protective devices etc., there are many classification method of switchgear, such as can be divided into withdraw-type by breaker mounting means and open Close cabinet and fixed switching cabinet;Or the difference according to cabinet body structure, can be divided into open type switchgear, metal closed switch cabinet and Metal enclosed armoured switch cabinet;High-tension switch cabinet, Medium Voltage Switchgear and low tension switch can be divided into again according to voltage class is different Cabinet etc., existing loading switch cabinet, overall construction are divided into three parts, but not compact enough, arrange more random, are not easy to overhaul.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of compact load proposed Switchgear.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of compact load switch cabinet, including the shell fixed on the ground, the housing bottom inner wall passes through screw It is fixed with earthing block, and earthing block top exterior walls are provided with through-hole, through-hole wall is bolted with fixed ring, fixed ring side outer wall It being welded with bus, and inner walls two sides are fixed with cable mount by screw, cable mount top exterior walls are welded with lightning-arrest column, The lightning-arrest column top outer wall is connected to bus far from fixed ring one end by conducting wire, and bus far from fixed ring one end by leading Line connects interlocking case, and the interlocking chamber interior wall side is fixed with three-stations load switch by screw, and interlocks in box top Wall side is welded with electric operator, and the interlocking chamber interior wall has current transformer, gas density apparatus and voltage mutual by screw Sensor, and the both ends of gas density apparatus are connected separately with current transformer and voltage transformer by conducting wire, the earthing block is defeated Enter end and earth bus is connected with by conducting wire, and earth bus output end is connected with auxiliary contact by conducting wire, outside auxiliary contact Wall side is connected on electric operator input terminal by conducting wire.
Preferably, the three-stations load switch output end is connected with controller, and the model DATA- of controller 7311, three-stations load switch model SF6-12/24KV.
Preferably, the electric current ratio of the current transformer is 1-1.5, and the signal of current transformer is BE-JZM-1.
Preferably, the voltage rating of the voltage transformer is 10KV, and the rated frequency of voltage transformer is 50Hz, electricity Press the model JDZ-6 of mutual inductor.
Preferably, the monitoring environment temperature of the gas density apparatus is 40 degree above freezing to subzero 20 degree, and gas is close Spend device model MT-SF6.
Preferably, the auxiliary contact quantity is three to five, and three to five auxiliary contact are equidistantly distributed in electronic On the input terminal connector of operator.
The utility model has the following beneficial effects: by setting three-stations load switch, interlocking case and being kept away in the utility model Traditional three parts are constructed controllable contact and are located at same operator, may be implemented to be uniformly controlled by Lei Zhu, close by setting gas Device is spent, the load of original part in switchgear can be prevented excessive, causes to burn or temperature increases, sound an alarm and disconnect out in time It closes to guarantee switchgear safety, by the way that auxiliary contact are arranged, solve the problems, such as that the arrangement of numerous line connections is random, make maintenance more It is convenient.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of compact load switch cabinet schematic diagram of internal structure;
Fig. 2 be the utility model proposes a kind of compact load switch cabinet structural front view;
Fig. 3 be the utility model proposes a kind of compact load switch cabinet structural circuit figure.
In figure: 1 shell, 2 three-stations load switch, 3 electric operators, 4 interlocking casees, 5 cable mounts, 6 buses, 7 are taken shelter from the thunder Column, 8 current transformers, 9 gas density apparatus, 10 voltage transformers, 11 auxiliary contact, 12 earth bus.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Figures 1 and 2, a kind of compact load switch cabinet, including the shell 1 fixed on the ground, in 1 bottom of shell Wall is fixed with earthing block by screw, and earthing block top exterior walls are provided with through-hole, and through-hole wall is bolted with fixed ring, fixed ring one Side outer wall is welded with bus 6, and 1 inner wall two sides of shell are fixed with cable mount 5, the weldering of 5 top exterior walls of cable mount by screw It is connected to lightning-arrest column 7, lightning-arrest 7 top exterior walls of column are connected to bus 6 far from fixed ring one end by conducting wire, and bus 6 is far from fixed Ring one end connects interlocking case 4 by conducting wire, and interlocking 4 inner wall side of case is fixed with three-stations load switch 2 by screw, and joins 4 top inner wall side of lock box is welded with electric operator 3, and interlocking 4 inner wall of case by screw has current transformer 8, gas density Device 9 and voltage transformer 10, and the both ends of gas density apparatus 9 are connected separately with current transformer 8 and mutual induction of voltage by conducting wire Device 10, earthing block input terminal are connected with earth bus 12 by conducting wire, and 12 output end of earth bus be connected with by conducting wire it is auxiliary Contact 11 is helped, 11 outer wall side of auxiliary contact is connected on 3 input terminal of electric operator by conducting wire.
Referring to Fig. 3, the output end of auxiliary contact 11 is connected with control switch, and control switch output end is connected by conducting wire On interlocking 4 input terminal of case, 9 output end of gas density apparatus is connected on 10 input terminal of voltage transformer by signal wire, and electricity Pressure 10 output end of mutual inductor is connected with earth bus 12 and current transformer 8 by conductor in parallel, and current transformer 8 and ground connection are female It is parallel to each other between line 12.
In the utility model, 2 output end of three-stations load switch is connected with controller, and the model DATA- of controller 7311,2 model SF6-12/24KV of three-stations load switch, the electric current ratio of current transformer 8 are 1-1.5, and current transformer 8 signal is BE-JZM-1, and the voltage rating of voltage transformer 10 is 10KV, and the rated frequency of voltage transformer 10 is 50Hz, the model JDZ-6 of voltage transformer 10, the monitoring environment temperature of gas density apparatus 9 are 40 degree to subzero two above freezing Ten degree, and 9 model MT-SF6 of gas density apparatus, 11 quantity of auxiliary contact is three to five, and three to five auxiliary contact 11 It equidistantly distributes on the input terminal connector of electric operator 3.
Working principle: this switchgear at work, the temperature that each original part is shown by data of gas density apparatus 9, one Denier electric current or electric voltage exception, current transformer 8 and voltage transformer 10 can be adjusted in interlocking case 4, electric operator 3 It will do it power operation when load is excessive, bus 6 and earth bus 12 cooperate lightning-arrest column 7 to guarantee to open in severe thunderstorm weather Close the original part safety of cabinet.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of compact load switch cabinet, including the shell (1) fixed on the ground, which is characterized in that shell (1) bottom Portion's inner wall is fixed with earthing block by screw, and earthing block top exterior walls are provided with through-hole, and through-hole wall is bolted with fixed ring, described Fixed ring side outer wall is welded with bus (6), and shell (1) inner wall two sides are fixed with cable mount (5), cable bottom by screw Plate (5) top exterior walls are welded with lightning-arrest column (7), and lightning-arrest column (7) top exterior walls are connected to bus (6) far from solid by conducting wire Determine ring one end, and bus (6) connects interlocking case (4) by conducting wire far from fixed ring one end, interlocking case (4) the inner wall side It is fixed with three-stations load switch (2) by screw, and interlocks case (4) top inner wall side and be welded with electric operator (3), institute Stating interlocking case (4) inner wall has current transformer (8), gas density apparatus (9) and voltage transformer (10) by screw, and gas is close The both ends of degree device (9) are connected separately with current transformer (8) and voltage transformer (10), the earthing block input terminal by conducting wire It is connected with earth bus (12) by conducting wire, and earth bus (12) output end is connected with auxiliary contact (11) by conducting wire, it is auxiliary Contact (11) outer wall side is helped to be connected on electric operator (3) input terminal by conducting wire.
2. a kind of compact load switch cabinet according to claim 1, which is characterized in that the three-stations load switch (2) output end is connected with controller, and the model DATA-7311 of controller, three-stations load switch (2) model SF6- 12/24KV。
3. a kind of compact load switch cabinet according to claim 1, which is characterized in that the current transformer (8) Electric current ratio is 1-1.5, and the signal of current transformer (8) is BE-JZM-1.
4. a kind of compact load switch cabinet according to claim 1, which is characterized in that the voltage transformer (10) Voltage rating is 10KV, and the rated frequency of voltage transformer (10) is 50Hz, the model JDZ-6 of voltage transformer (10).
5. a kind of compact load switch cabinet according to claim 1, which is characterized in that the gas density apparatus (9) Monitoring environment temperature is 40 degree above freezing to subzero 20 degree, and gas density apparatus (9) model MT-SF6.
6. a kind of compact load switch cabinet according to claim 1, which is characterized in that auxiliary contact (11) quantity It is three to five, and three to five auxiliary contact (11) equidistantly distribute on the input terminal connector of electric operator (3).
CN201820601385.0U 2018-04-25 2018-04-25 A kind of compact load switch cabinet Active CN208316052U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820601385.0U CN208316052U (en) 2018-04-25 2018-04-25 A kind of compact load switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820601385.0U CN208316052U (en) 2018-04-25 2018-04-25 A kind of compact load switch cabinet

Publications (1)

Publication Number Publication Date
CN208316052U true CN208316052U (en) 2019-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820601385.0U Active CN208316052U (en) 2018-04-25 2018-04-25 A kind of compact load switch cabinet

Country Status (1)

Country Link
CN (1) CN208316052U (en)

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