CN217470449U

CN217470449U - Intelligent cooling ring main unit

Info

Publication number: CN217470449U
Application number: CN202220215030.4U
Authority: CN
Inventors: 刘月勇; 刘云臻; 李雪松; 宋国亮
Original assignee: Suzhou Easun Electric Power Technology Co ltd
Current assignee: Suzhou Easun Electric Power Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-09-20
Anticipated expiration: 2032-01-26

Abstract

The utility model provides an intelligence cooling ring main unit, includes ring main unit, main loop conductor, control subassembly and cooling module locate the ring main unit, ring main unit supply current flows through the main loop conductor, cooling module includes the fan, the control subassembly includes current transformer and high current relay, and high current relay inserts the opening of the coil circuit of fan and control fan stops, current transformer's primary loop inserts main loop conductor, secondary circuit insert high current relay's action current coil. The utility model discloses intelligence cooling looped netowrk cabinet, simple structure design benefit to along with the sudden increase of power consumption load, the problem that gas tank inner conductor components and parts generated heat when the electric current reachs a definite value designs corresponding control assembly and cooling module, utilizes mutual-inductor and relay principle automatic control fan to open and stop the operation to the realization is cooled down to the intelligence of looped netowrk cabinet.

Description

Intelligent cooling ring main unit

[ technical field ] A method for producing a semiconductor device

The utility model relates to a power supply equipment technical field, in particular to intelligence cooling looped netowrk cabinet.

[ background ] A method for producing a semiconductor device

The ring main unit is an important component of a power distribution room of a power grid, and is used for connecting and installing various electrical elements and switch equipment in a metal closed shell according to the requirements of a main loop. With the development of the industry, the requirements of various industries on the power supply reliability and stability of a power system are increasingly improved, and the power utilization load is increased along with the continuous improvement of the quality of life. The electrical components that the ring main unit needs to accommodate are increasingly complex and diversified. However, the increase of the accommodation capacity of the ring main unit inevitably causes the temperature in the cabinet to rise, and causes the heating of components and parts, and on the other hand, the sealed box body of the ring main unit is installed in the cabinet body, and is installed in an indoor or outdoor box after being shielded by the surrounding box boards, and the heat is naturally dissipated by the heat dissipation holes at present. The heat quantity is not large during normal operation, so that the requirement can be basically met. In addition, at present, the heating and ventilation are carried out by monitoring the environmental temperature of a cable chamber, and the heat of a main loop conductor in an air box cannot be monitored in time at all.

Because the technical threshold requirement of the ring main unit is not high relatively, along with the sudden increase of the electricity utilization load, when the current reaches a certain value, conductor components and parts inside the gas tank generate heat, and because the transmission inside the gas tank and the fixed conductor are insulating objects such as some resins, the high temperature not only influences the operation safety, but also greatly reduces the service life of the insulators, thereby reducing the service life of the ring main unit. Therefore, there is a need to develop a technical solution to solve the above-mentioned existing drawbacks.

[ Utility model ] content

An object of the utility model is to provide an intelligence cooling looped netowrk cabinet can be according to the cooling of electrical load intelligence.

The utility model aims at realizing through the following technical scheme:

the utility model provides an intelligence cooling ring main unit, includes ring main unit, main loop conductor, control subassembly and cooling module are located the ring main unit, the looped netowrk cabinet supply current flows through the main loop conductor, the cooling module includes the fan, the control subassembly includes current transformer and high current relay, and high current relay inserts the coil circuit of fan and the opening of control fan stops, current transformer's primary circuit inserts main loop conductor, secondary circuit insert high current relay's action current coil, wherein, sets for the current value of main loop conductor internal current, works as the main loop conductor is once through during the current of current value the fan starts, once through is less than during the current of current value the fan stops.

In one embodiment, the rated current ratio of the current transformer is set to 600/5, the rated current of the high-current relay is set to 5A, and the fan is started when the main loop conductor passes the maximum current with the current value of 600A at a time.

In one embodiment, the monitoring assembly further comprises a low-current relay connected with an alarm, the low-current relay is connected into a coil loop of the fan and monitors the operation of the fan, the rated operation current of the coil loop of the fan is set, and when the coil loop current of the fan is not within the range of the rated operation current, the low-current relay controls the alarm to give an alarm.

In one embodiment, the monitoring system further comprises a background terminal, wherein the background terminal is in signal connection with the monitoring component and monitors the starting and stopping information of the fan and the coil loop in real time. In one embodiment, a plurality of fans form a fan set, and the intelligent cooling ring main unit is provided with at least two sets of independently operated fan sets.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses intelligence cooling looped netowrk cabinet, simple structure, design benefit to along with the sudden increase of power consumption load, the problem that gas tank inner conductor components and parts generated heat when the electric current reachs a definite value, designs corresponding control subassembly and cooling module, utilizes mutual-inductor and relay principle, and the automatic control fan opens and stops the operation to the realization is cooled down to the intelligence of looped netowrk cabinet.

[ description of the drawings ]

Fig. 1 is a schematic wiring diagram of the intelligent cooling ring main unit of the present invention;

fig. 2 is the structure schematic diagram of the utility model discloses intelligence cooling looped netowrk cabinet.

[ detailed description ] embodiments

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific cases.

Referring to fig. 1-2, an intelligent cooling ring main unit includes a ring main unit 1, a main loop conductor, a monitoring module, and a cooling module. The ring main unit body 1 is internally provided with a cavity which is hollow and contains a plurality of electrical components and loop conductors, and ventilation and cooling are required to be ensured. The main loop conductor, the monitoring component and the cooling component are respectively arranged on the ring main unit body 1. The current of looped netowrk cabinet power of this embodiment flows through the major loop conductor, and along with the increase of looped netowrk cabinet power consumption load, the major loop conductor passes through the current increase and makes a plurality of conductor components and parts generate heat, need dispel the heat through cooling module etc.. The cooling assembly includes a fan 2 and the monitoring assembly includes a current transformer and a high current relay (K1) for monitoring the main loop conductor and the current in which the fan 2 operates and for signal output feedback and control of fan 2 operation. Specifically, the high-current relay is connected to a coil loop of the fan 2 and controls the start and stop of the fan 2, a primary loop of the current transformer is connected to a main loop conductor, and a secondary loop (S1, S2) is connected to an action current coil of the high-current relay. The current value of the current in the main loop conductor is set, when the main loop conductor passes the current with the current value for the first time, the fan 2 is started, and when the main loop conductor passes the current with the current value for the first time, the fan 2 is stopped.

This embodiment is to along with the sudden increase of power consumption load, the problem that gas tank inner conductor components and parts generated heat when the electric current reachs a definite value, designs corresponding control subassembly and cooling module, utilizes mutual-inductor and relay principle, and automatic control fan 2 opens and stops the operation to the realization is to the intelligent cooling of looped netowrk cabinet.

The detection object of the current relay is the change condition of the current of a circuit or a main electrical appliance part, and when the current exceeds (or is lower than) a certain setting value, the relay acts to complete the control and protection functions of the relay. The current transformer has the function of converting primary current with larger value into secondary current with smaller value through a certain transformation ratio for protection, measurement and other purposes. For example, a current transformer with a rated current ratio of 400/5, can convert the actual current of 400A into the current of 5A.

In one embodiment, the rated current ratio of the current transformer is set to 600/5, the rated current of the high-current relay is set to 5A, the fan 2 is started when the main loop conductor passes the maximum current with the current value of 600A once, and the fan 2 is stopped when the current drops to the set value. The setting can be carried out according to the actual situation, and the background information output can be carried out when the system is started or stopped.

In one embodiment, the monitoring assembly further comprises a low current relay (K2) to which an alarm is connected. The low-current relay is connected to a coil loop of the fan 2(M) and monitors the operation of the fan 2, specifically, rated operation current of the coil loop of the fan 2 is set, and when the coil loop current of the fan 2 is not within the range of the rated operation current, the low-current relay outputs an alarm signal to control the alarm to give an alarm. In various embodiments, the alarm may be a buzzer, a flashing light, or the like.

In one embodiment, the intelligent cooling ring main unit further comprises a background terminal, and the background terminal is in signal connection with the monitoring assembly and monitors the start-stop information and the coil loop of the fan 2 in real time. The display is used as one of the means of background information output, and can receive and display the start-stop information of the fan 2 and the coil loop current value fed back by the monitoring component.

In order to improve the flexibility of the intelligent cooling, the fans 2 are provided in plurality and respectively configured in different groups. In one embodiment, a plurality of fans form a fan set, and each intelligent cooling ring main unit is provided with at least two sets of fans 2 which operate independently. Any group of fans 2 can be started for cooling, and each group of fans 2 is respectively provided with an independent monitoring component to implement independent intelligent monitoring control. The multiple groups of fans 2 are independently controlled, so that abnormal temperature rise caused by the fault of the single fan 2 can be effectively prevented.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An intelligent cooling ring main unit is characterized by comprising a ring main unit body, a main loop conductor, a monitoring component and a cooling component, the main loop conductor, the monitoring component and the cooling component are arranged on the ring main unit body, the ring main unit power current flows through the main loop conductor, the cooling component comprises a fan, the monitoring component comprises a current transformer and a high current relay, the high current relay is connected with a coil loop of the fan and controls the start and stop of the fan, the primary loop of the current transformer is connected with the main loop conductor, the secondary loop is connected with the action current coil of the high current relay, and setting the current value of the current in the main loop conductor, wherein the fan is started when the main loop conductor passes the current of the current value for the first time, and the fan is stopped when the main loop conductor passes the current of the current value for the first time.

2. The intelligent cooling ring main unit as claimed in claim 1, wherein the rated current ratio of the current transformer is 600/5, the rated current of the high current relay is 5A, and the fan is started when the main loop conductor passes the maximum current with the current value of 600A at a time.

3. The intelligent cooling ring main unit as claimed in claim 1, wherein the monitoring assembly further comprises a low current relay connected with an alarm, the low current relay is connected to the coil loop of the fan and monitors the operation of the fan, a rated operation current of the coil loop of the fan is set, and when the coil loop current of the fan is not within the range of the rated operation current, the low current relay controls the alarm to alarm.

4. The intelligent cooling ring main unit as claimed in claim 1, further comprising a background terminal, wherein the background terminal is in signal connection with the monitoring component and monitors the start-stop information and the coil loop of the fan in real time.

5. The intelligent cooling ring main unit as claimed in claim 1, wherein the fans form a fan set, and the intelligent cooling ring main unit has at least two sets of independently operating fan sets.