CN214757549U

CN214757549U - Dynamic neutral current security control device

Info

Publication number: CN214757549U
Application number: CN202120740935.9U
Authority: CN
Inventors: 车扶杰; 张香云
Original assignee: Anhui Zhipeng Electric Co ltd
Current assignee: Anhui Zhipeng Electric Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-16
Anticipated expiration: 2031-04-12

Abstract

The application relates to the technical field of central line current, and discloses a developments central line current security protection controlling means, which comprises a housin, the heat dissipation chamber has been seted up to the inside of casing, the side passageway has been seted up at the top of heat dissipation intracavity wall, the bottom passageway has been seted up to the inner bottom wall in heat dissipation chamber, the inner wall of bottom passageway is provided with the heat dissipation motor, the power take off end of heat dissipation motor and radiator fan's inboard fixed connection, the inner wall in heat dissipation chamber is provided with the oil blanket base. This scheme is through heat dissipation motor and radiator fan, bottom passageway and side passageway use, and for the electric control device of device inside through the heat dissipation, simultaneously admit air through the bottom, inside the entering device of rainwater was avoided to the structure of giving vent to anger to the side, avoid the steam to accumulate, through the use of oil blanket base, carry out the oil blanket to the main control ware, do benefit to the heat dissipation of the control electrical part in the oil blanket base, avoid the production of electric spark.

Description

Dynamic neutral current security control device

Technical Field

The application relates to the technical field of neutral current, in particular to a dynamic neutral current security control device.

Background

A large amount of non-linear loads are used, so that 3N harmonic current of a neutral line is overlarge, meanwhile, the neutral line is overlarge due to the problems of three-phase unbalance and the like, the neutral line insulating layer is prone to aging and firing due to overlarge neutral line current, and the large potential safety hazard exists.

The existing related security device heat dissipation channels easily cause water vapor accumulation, so that potential safety hazards are brought, and the service life of the security device is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem provided above, the present application provides a dynamic neutral current security control device.

The application provides a developments central line electric current security protection controlling means adopts following technical scheme:

a dynamic central line current security protection control device comprises a shell, wherein a heat dissipation cavity is formed in the shell, a side channel is formed in the top of the inner wall of the heat dissipation cavity, a bottom channel is formed in the inner bottom wall of the heat dissipation cavity, a heat dissipation motor is arranged on the inner wall of the bottom channel, the power output end of the heat dissipation motor is fixedly connected with the inner side of a heat dissipation fan, an oil seal base is arranged on the inner wall of the heat dissipation cavity, a connector is arranged on the outer side of the oil seal base, an oil injection pipe is arranged at the top of one side of the shell, a comprehensive controller is arranged at the bottom of one side of the shell, a plug connector is arranged at one side of the bottom of the shell, a fixing frame is arranged at the other side of the shell, a movable cavity is formed in the inner side of the fixing frame, the inner wall of the movable cavity is in sliding connection with the outer side of one end of a detection rod, and one end of the detection rod is provided with a return spring, the outer side of one end of the detection rod is provided with an anode contact, the top of the inner wall of the movable cavity is provided with a cathode contact, and the top end of the shell is provided with an alarm.

By adopting the technical scheme, water accumulation in the device is avoided, the heat dissipation efficiency is ensured, the probability of electric spark generation is reduced, and the device is ensured to be always kept in a stable installation and fixation posture.

Preferably, the bottom of the inner wall of the bottom channel is provided with a filter screen, and the inner wall of the bottom channel is movably connected with the outer side of the heat radiation fan.

Through adopting above-mentioned technical scheme, the filter screen avoids the dust to get into the heat dissipation intracavity, the bottom passageway is seted up in the bottom of casing, avoids the rainwater to get into and produces ponding.

Preferably, an oil injection cavity is formed in the oil seal base, and a voltage detector and a controller are arranged on the inner wall of the oil injection cavity.

By adopting the technical scheme, the oil injection cavity can be injected with the protective oil for heat dissipation of the electric appliance and reducing electric sparks.

Preferably, the connector and the plug are connected by a wire harness, and a fixing hole is formed through the outer side of the fixing frame.

By adopting the technical scheme, the lead bundle is connected with the neutral wire and the lead of the controller.

Preferably, the alarm is composed of an alarm lamp and a buzzer, and one end of the oil filling pipe is inserted into the inner side of the oil seal base.

By adopting the technical scheme, the alarm is used for giving an alarm in time and feeding back the falling of the security device or the problem of the neutral current fault to related personnel in time.

Preferably, the integrated controller is composed of a control display and a plurality of control keys, and the anode contact corresponds to the cathode contact.

By adopting the technical scheme, the installation state of the security device can be judged by the anode contact and the cathode contact.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the use of the heat dissipation motor, the heat dissipation fan, the bottom channel and the side channel, the heat dissipation is carried out on an electric appliance control device in the device, rainwater is prevented from entering the device through the structure of bottom air inlet and side air outlet, the accumulation of water vapor is avoided, the main controller is subjected to oil sealing through the use of the oil sealing base, the heat dissipation of a control electric appliance in the oil sealing base is facilitated, and the generation of electric sparks is avoided;

2. through the use of the detection rod, the anode contact and the cathode contact, whether the fixed frame is installed in place or not is detected, and when the device has the problems of falling off and the like, an alarm is timely given out through the alarm.

Drawings

FIG. 1 is a front partially sectional structural schematic view of an embodiment of the application.

Fig. 2 is a schematic structural diagram of a side of an embodiment of the application.

Fig. 3 is an enlarged view of the structure at a in fig. 2.

Description of reference numerals: 1. a housing; 2. a bottom channel; 3. a heat dissipation cavity; 4. a side channel; 5. an oil seal base; 6. a connector; 7. a fixed mount; 8. an alarm; 9. an oil filling pipe; 10. a comprehensive controller; 11. A plug-in connector; 12. a heat dissipation motor; 13. a heat radiation fan; 14. a detection lever; 15. a movable cavity; 16. an anode contact; 17. a cathode contact; 18. and a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Example 1:

the embodiment of the application discloses a dynamic neutral current security control device. Referring to fig. 1-2, a developments central line electric current security protection controlling means, include, heat dissipation chamber 3 has been seted up to the inside of casing 1, side passageway 4 has been seted up at the top of heat dissipation chamber 3 inner wall, bottom passageway 2 has been seted up to the inner bottom wall in heat dissipation chamber 3, the inner wall of bottom passageway 2 is provided with heat dissipation motor 12, the power take off end of heat dissipation motor 12 and radiator fan 13's inboard fixed connection, the inner wall in heat dissipation chamber 3 is provided with oil blanket base 5, the outside of oil blanket base 5 is provided with connector 6, the top of casing 1 one side is provided with oiling pipe 9, one side of casing 1 bottom is provided with connector 11, the opposite side of casing 1 is provided with mount 7, the top of casing 1 is provided with siren 8.

Referring to fig. 1, a filter screen is arranged at the bottom of the inner wall of the bottom channel 2, and the inner wall of the bottom channel 2 is movably connected with the outer side of the heat dissipation fan 13. The filter screen avoids the dust to get into in the heat dissipation chamber 3, the bottom passageway 2 is seted up in the bottom of casing 1, avoids the rainwater to get into and produces ponding.

Referring to fig. 1, an oil injection cavity is formed in the oil seal base 5, and a voltage detector and a controller are arranged on the inner wall of the oil injection cavity. The oil injection cavity body can inject protective oil for heat dissipation of the electric appliance and reduce electric sparks.

Referring to fig. 1-2, the connector 6 is connected to the plug connector 11 by a wire harness, and a fixing hole is formed through the outer side of the fixing frame 7. The wire bundle connects the neutral wire and the wires of the controller.

Referring to fig. 1-2, the alarm 8 is composed of an alarm lamp and a buzzer, and one end of the filler pipe 9 is inserted into the inner side of the oil seal base 5. The alarm 8 is used for giving an alarm in time and feeding back the falling of the security device or the problem of the neutral current fault to related personnel in time.

The implementation principle of the dynamic neutral current security control device in the embodiment 1 of the application is as follows: the heat dissipation motor 12 drives the heat dissipation fan 13 to rotate to generate air flow, so that air enters the heat dissipation cavity 3 through the bottom of the shell 1 and the bottom of the bottom channel 2, the air flow flows through the periphery of the oil seal base 5 to take away heat of the shell of the oil seal base 5, the oil seal base 5 is cooled, the air flow finally passes through the side channel 4 to be discharged from two sides of the shell 1 after flowing through the heat dissipation cavity 3, the air flow passes through the heat dissipation motor 12 and the heat dissipation fan 13, the bottom channel 2 and the side channel 4 are used, the electric control device inside the device is cooled through heat dissipation, meanwhile, rainwater is prevented from entering the device through a bottom air inlet and side air outlet structure, water vapor accumulation is avoided, through the use of the oil seal base 5, oil sealing is performed on a main controller, heat dissipation of control electric devices in the oil seal base 5 is facilitated, and electric sparks are prevented from being generated.

Example 2:

referring to fig. 2-3, a developments central line electric current security protection controlling means, includes casing 1, the bottom of casing 1 one side is provided with integrated controller 10, movable chamber 15 has been seted up to the inboard of mount 7, the inner wall in movable chamber 15 and the outside sliding connection of measuring staff 14 one end, the one end of measuring staff 14 is provided with return spring 18, the outside of measuring staff 14 one end is provided with anode contact 16, the top of the 15 inner walls in movable chamber is provided with cathode contact 17.

Referring to fig. 3, the integrated controller 10 is composed of a control display and a plurality of control keys, and the anode contact 16 corresponds to the cathode contact 17. The anode contact 16 and the cathode contact 17 can judge the installation state of the security device.

The implementation principle of the dynamic neutral current security control device in embodiment 2 of the present application is as follows: after the fixed frame 7 is fixed, the detection rod 14 drives the anode contact 16 to be extruded to slide along the inner wall of the movable cavity 15, the detection rod 14 pushes one end of the return spring 18 to move, so that the return spring 18 contracts, and finally the anode contact 16 is contacted with the cathode contact 17, when the electrical connection between the anode contact 16 and the cathode contact 17 is released or a safety fault finally occurs, the integrated controller 10 controls the alarm 8 to give an alarm, whether the fixed frame 7 is installed in place or not is detected through the use of the detection rod 14, the anode contact 16 and the cathode contact 17, and the alarm is given out timely through the alarm 8 when the device has problems of falling and the like.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a developments central line electric current security protection controlling means, includes casing (1), its characterized in that: a heat dissipation cavity (3) is formed in the shell (1), a side channel (4) is formed in the top of the inner wall of the heat dissipation cavity (3), a bottom channel (2) is formed in the inner bottom wall of the heat dissipation cavity (3), a heat dissipation motor (12) is arranged on the inner wall of the bottom channel (2), the power output end of the heat dissipation motor (12) is fixedly connected with the inner side of a heat dissipation fan (13), an oil seal base (5) is arranged on the inner wall of the heat dissipation cavity (3), a connector (6) is arranged on the outer side of the oil seal base (5), and an oil injection pipe (9) is arranged at the top of one side of the shell (1);

the bottom of casing (1) one side is provided with integrated control ware (10), one side of casing (1) bottom is provided with plug-in connector (11), the opposite side of casing (1) is provided with mount (7), movable chamber (15) have been seted up to the inboard of mount (7), the inner wall in activity chamber (15) and the outside sliding connection of measuring stick (14) one end, the one end of measuring stick (14) is provided with return spring (18), the outside of measuring stick (14) one end is provided with anode contact (16), the top of activity chamber (15) inner wall is provided with cathode contact (17), the top of casing (1) is provided with siren (8).

2. The dynamic neutral current security control device according to claim 1, wherein: the bottom of bottom passageway (2) inner wall is provided with the filter screen, the outside swing joint of the inner wall of bottom passageway (2) and radiator fan (13).

3. The dynamic neutral current security control device according to claim 1, wherein: an oil injection cavity is formed in the oil seal base (5), and a voltage detector and a controller are arranged on the inner wall of the oil injection cavity.

4. The dynamic neutral current security control device according to claim 1, wherein: the connector (6) is connected with the plug-in connector (11) through a wire harness, and a fixing hole is formed in the outer side of the fixing frame (7).

5. The dynamic neutral current security control device according to claim 1, wherein: the alarm (8) is composed of an alarm lamp and a buzzer, and one end of the oil filling pipe (9) is inserted into the inner side of the oil seal base (5).

6. The dynamic neutral current security control device according to claim 1, wherein: the integrated controller (10) is composed of a control display and a plurality of control keys, and the anode contact (16) corresponds to the cathode contact (17).