CN111697458A

CN111697458A - Terminal box

Info

Publication number: CN111697458A
Application number: CN202010530685.6A
Authority: CN
Inventors: 邓海力; 胡文豪; 陈晓军; 王铁柱; 蔡素雄; 吴豪炎
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-22

Abstract

The invention belongs to the technical field of electrical equipment, and discloses a terminal box which comprises a box body and a protective device, wherein a vent is arranged on the box body, the protective device is arranged in the box body, the protective device comprises a cover body, a dustproof assembly and a baffle plate assembly, an air inlet and an air outlet are arranged on the cover body, the air inlet is communicated with the vent, the dustproof assembly and the baffle plate assembly are both arranged in the cover body, the baffle plate assembly is positioned on one side, close to the vent, of the dustproof assembly, and a flow guide channel is arranged on the baffle plate. This terminal box makes the air earlier through baffle subassembly then again through dustproof subassembly, can play the effect of blockking to the rainwater when baffle subassembly, and the air circulates to dustproof subassembly position department through the water conservancy diversion passageway, enters into the box after dustproof subassembly removes dust inside, can avoid the rainwater to wet dustproof subassembly, effectively avoids the box outer rainwater and dust to invade in the box, has ensured moreover that the terminal box ventilates unobstructed.

Description

Terminal box

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a terminal box.

Background

At present, a terminal box is widely applied to a transformer substation, and a large number of electric wires and various electric devices are arranged in the terminal box, so that when weather is hot and humid, the terminal box is easy to dewing and damp, corrosion and rusting of the electric devices and poor line connection are easy to cause, and the devices are burnt. Set up the vent among the prior art usually on the chassis wall and ventilate to vent department at quick-witted incasement sets up the buckler, and the inside of buckler is provided with dustproof sponge to prevent that the dust from entering into the inside of electronic box, because dustproof sponge is placed in vent department, when meetting raining, inside the buckler can prevent that the rainwater from entering into the box, nevertheless because the rainwater from drenching dustproof sponge easily, after dustproof sponge absorbs more water yield, can influence the ventilation of terminal box. Therefore, it is highly desirable to design a terminal box, which can effectively prevent rain and dust from entering the case, and can ensure smooth ventilation of the terminal box.

Disclosure of Invention

The invention aims to provide a terminal box which can prevent foreign matters such as rainwater and dust from entering the box on the premise of ensuring good ventilation so as to increase the operation safety and the service life of equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a terminal box, includes the box, be provided with the vent on the box, terminal box still includes protector, protector set up in the box, protector includes:

the air inlet is communicated with the ventilation opening;

the dustproof assembly is arranged in the cover body; and

the baffle assembly is arranged in the cover body and is positioned at one side of the ventilation opening, and a flow guide channel is arranged on the baffle assembly.

Through set up vent and protector on the terminal box, can guarantee under the unobstructed prerequisite of air flue, effectively prevent foreign matter such as rainwater, dust to get into quick-witted case, improved the space utilization of terminal box, the security of equipment operation, prolonged life, reduced use cost.

Preferably, the baffle assembly comprises a plurality of layers of baffles which are arranged at intervals, each layer of baffle is provided with a flow guide opening, the flow guide openings of the adjacent two layers of baffles are staggered, and the flow guide openings of the baffles of each layer are communicated to form the flow guide channel.

Rainwater and dust can be prevented from entering the box body through the multiple layers of baffles arranged at intervals, and the waterproof and dustproof effects are good; and all be provided with the water conservancy diversion mouth on every layer of baffle, can guarantee through the water conservancy diversion mouth that the air smoothly gets into in the box through the water conservancy diversion passageway to cool down to dispelling the heat to equipment, the setting of staggering of water conservancy diversion mouth of adjacent two-layer baffle can effectively play the effect of blockking to rainwater and dust, avoids rainwater and partial dust to enter into the box.

Preferably, one end of each baffle is connected with the cover body, the other end of each baffle and the cover body form the flow guide opening, and two adjacent baffles are arranged in a staggered mode.

The above-mentioned simple structure that sets up, the preparation is convenient, and the baffle through crisscross setting can form the bend of S type, can keep off rainwater and partial dust foreign matter to prevent that the rainwater from drenching dustproof subassembly.

Preferably, the terminal box further comprises a humidity control component configured to detect and regulate humidity inside the box body.

The humidity control assembly is arranged to monitor the humidity value in the box in real time and adjust the humidity in the box, and if the humidity value in the box is too large, the humidity control assembly can adjust the humidity in time.

Preferably, the humidity control assembly comprises a humidity detector, a controller and a heater, the humidity detector and the heater are arranged in the box body, and the humidity detector and the heater are electrically connected with the controller.

After the humidity detector detects the humidity value in the box body, the humidity value signal is transmitted to the controller through being electrically connected with the controller, and the controller controls the heater to heat the inside of the box body, so that the humidity value in the box body can be controlled within a normal range.

Preferably, the air inlet is arranged on one side of the cover body, and the air outlet is arranged on the top of the cover body.

The air inlet sets up in one side of the cover body to in the air enters into the cover body through the air inlet, the air outlet sets up in the top of the cover body, and the unobstructed of water conservancy diversion passageway is guaranteed in the air output of being convenient for.

Preferably, the baffle assembly is disposed above the vent.

The baffle plate assembly is higher than the vent and has certain blocking effect on rainwater and dust entering through the vent so as to prevent the rainwater and the dust from entering the box body.

Preferably, the cover body comprises a bottom plate, the bottom plate is connected with the box body, and the inner wall of the bottom plate is flush with the bottom of the ventilation opening.

The bottom plate is parallel and level to the bottom of the vent, rainwater entering the vent can be automatically discharged out of the box body, water accumulation in the box body is avoided, and therefore the drying environment in the terminal box is effectively guaranteed.

Preferably, the cover is connected with the box body along the edge of the ventilation opening in a sealing mode.

The cover body is connected with the box body in a sealing way, so that rainwater and dust can be effectively prevented from entering the box body.

Preferably, the dust-proof component comprises dust-proof cotton.

The dustproof cotton can effectively prevent dust from entering the box body, can ensure the smoothness of the flow guide channel and has lower cost.

The invention has the beneficial effects that:

according to the terminal box provided by the invention, the terminal box comprises the box body and the protection device, the protection device is arranged in the box body, the space outside the box body is not required to be occupied, and the space utilization rate of the terminal box is effectively improved; an air inlet and an air outlet are arranged on a cover body of the protection device, and the air inlet is communicated with the ventilation opening, so that air enters the cover body from the ventilation opening and enters the box body after passing through the cover, and the ventilation and cooling of equipment in the box body are facilitated; the internal dustproof subassembly and the baffle subassembly of being provided with of cover, can prevent through dustproof subassembly that dust from entering into in the box, the baffle subassembly sets up in one side that is close to the vent of dustproof subassembly, be provided with the water conservancy diversion passageway on the baffle subassembly, make the air pass through baffle subassembly earlier then pass through dustproof subassembly again, can play the barrier effect to the rainwater when passing through the baffle subassembly, the air passes through the water conservancy diversion passageway and circulates dustproof subassembly position department, inside entering into the box after dustproof subassembly removes dust, can avoid the rainwater to wet dustproof subassembly, effectively avoid the box outer rainwater and dust to invade in the box, and it is unobstructed to have ensured that the terminal box ventilates.

Drawings

Fig. 1 is a schematic structural view of a terminal box interior protection device and a box body to be assembled according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a protection device installed in a box according to an embodiment of the present invention;

FIG. 3 is a front view of a guard provided in accordance with an embodiment of the present invention;

fig. 4 is a schematic diagram of the operation of the humidity control assembly according to the second embodiment of the present invention.

In the figure:

1. a box body; 2. a guard;

11. a vent; 21. a cover body; 22. a dust-proof assembly; 23. a baffle assembly;

211. an air inlet; 212. an air outlet; 213. a back plate; 214. a side plate; 215. a base plate; 231. a baffle plate; 2311. and a flow guide opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The first embodiment is as follows:

the embodiment provides a terminal box, as shown in fig. 1, the terminal box includes box 1 and protector 2, is provided with vent 11 on the lateral wall of box 1, and vent 11 includes the multirow ventilation hole, and multirow ventilation hole parallel arrangement arranges into a line, and the opening direction in ventilation hole is the slope downwards, when 1 outside rains of box, can form the water conservancy diversion to the rainwater.

In the specific implementation process, the vent 11 is formed into a shutter structure through punch forming by a cutting machine, and the shutter structure is simple in structure and convenient to manufacture.

As shown in fig. 1 and 2, the protection device 2 is arranged in the box body 1, so that the protection device 2 is installed without occupying the external space of the terminal box, and the utilization rate of the internal space of the box body 1 is effectively improved; and the box body 1 plays a role in protecting the protection device 2, and the service life of the protection device 2 is prolonged.

Specifically, the protection device 2 includes a cover 21, a dust-proof assembly 22 and a baffle assembly 23, in which the cover 21 has an air inlet 211 and an air outlet 212 that are communicated with each other, so that air can enter the cover 21 through the ventilation opening 11 and enter the box 1 through the cover 21, so as to ventilate and cool the equipment in the box 1.

Specifically, the cover body 21 includes a bottom plate 215, two side plates 214, a back plate 213, wherein the back plate 213 is parallel to the inner wall of the box body 1, the two side plates 214 are disposed on two sides of the back plate 213, the bottom plate 215 is disposed on the bottom of the back plate 213, and is connected with the two side plates 214 respectively to form a cover body structure with one side open, the air inlet 211 is disposed on one side of the opening of the cover body 21, so that air enters the cover body 21 through the air inlet 211, the air outlet 212 is disposed on the top of the cover body 21, so that air output is facilitated, and smoothness inside the cover body.

Optionally, the cover body 21 is integrally formed by stamping, so that the structure is very simple, the manufacturing is convenient, and the cost is reduced. The cover body 21 is connected with the box body 1 in a sealing way, so that rainwater and dust can be effectively prevented from entering the box body 1, and the drying environment in the terminal box is effectively ensured. Specifically, the cover 21 is hermetically connected to the box 1 along the edge of the vent 11, and a waterproof adhesive is applied to the joint to prevent rainwater and dust from entering the box 1 through the gap between the overlapping edges.

Alternatively, as shown in fig. 2, the inner wall of the bottom plate 215 of the cover 21 is flush with the bottom of the vent 11, so that rainwater entering the vent 11 can be automatically drained out of the box 1, and water accumulation inside the box 1 is avoided.

As shown in fig. 1 and fig. 2, dustproof assembly 22 and baffle assembly 23 set up in the cover body 21, and baffle assembly 23 is located one side that dustproof assembly 22 is close to vent 11, be provided with the water conservancy diversion passageway on baffle assembly 23, make the air pass through baffle assembly 23 earlier then pass through dustproof assembly 22 again, can play the effect of blockking to the rainwater when passing through baffle assembly 23, the air circulates dustproof assembly 22 position department through the water conservancy diversion passageway, inside entering into box 1 after dustproof assembly 22 removes dust, can avoid the rainwater to wet dustproof assembly 22, effectively avoid the outer rainwater of box 1 and dust to invade in the box 1, and set up through the water conservancy diversion passageway has ensured that the terminal box ventilates unobstructed.

As shown in fig. 1-3, the baffle plate assembly 23 includes a plurality of layers of baffle plates 231 arranged at intervals, each layer of baffle plate 231 is provided with a diversion port 2311, the diversion ports 2311 of two adjacent layers of baffle plates 231 are arranged in a staggered manner, the plurality of layers of baffle plates 231 arranged at intervals can prevent rainwater and dust from entering the box body 1, and the diversion ports 2311 of each layer of baffle plate 231 are communicated to form the diversion channel, so that the waterproof and dustproof effects are better; and all be provided with water conservancy diversion mouth 2311 on every layer of baffle 231, the water conservancy diversion mouth 2311 intercommunication of each layer of baffle 231 forms the water conservancy diversion passageway can guarantee through water conservancy diversion mouth 2311 that the air smoothly gets into in the box 1 through the water conservancy diversion passageway to cool down the equipment heat dissipation, the setting of staggering of water conservancy diversion mouth 2311 of adjacent two-layer baffle 231 can effectively play the effect of blockking rainwater and dust, avoids rainwater and partial dust to enter into in the box 1.

As shown in fig. 2, the baffles 231 of the baffle assembly 23 are each positioned higher than the vent 11 to prevent rain and dust from entering the cabinet 1.

Specifically, one end of each baffle 231 is connected with the cover body 21, the other end of each baffle 231 is connected with the cover body 21 to form a flow guide port 2311, and two adjacent baffles 231 are arranged in a staggered mode. Of course, the connection between the baffle 231 and the cover 21 is not limited to adhesive bonding, and may also be fixed by a fixing member, or may be clamped by a clamping structure.

Alternatively, the width of the baffle 231 is the same as the width of the bottom plate 215 of the cover 21, so that the baffle 231 disposed along the air flowing direction can block the air in the whole width direction, and the air can pass through only the diversion opening 2311; the length of the baffle 231 is 2/3 of the length of the bottom plate 215, so that two adjacent baffles 231 of the cover body 21 are overlapped with each other, and the diversion ports 2311 of two adjacent baffles 231 are staggered.

Optionally, baffle 231 is made of a plastic material, which has the advantages of water resistance, light weight, and low cost.

Optionally, the dust-proof assembly 22 comprises dust-proof cotton, which is effective in preventing dust from entering the case 1 and is low in cost. In this embodiment, dustproof cotton adopts the elastic pressing strip to be fixed in inside the cover body 21, and is located the upper portion of baffle subassembly 23, specifically, is provided with the recess on the inner wall of the air outlet 212 department of the cover body 21, fixes dustproof cotton's circumference edge in the recess through the elastic pressing strip to it is fixed with dustproof cotton, and elastic pressing strip is provided with and helps fixing and change dustproof cotton, also can guarantee the unobstructed of water conservancy diversion passageway moreover, and the cost is lower. In other embodiments, the dustproof cotton can be bonded in the cover body 21, so that the installation is convenient.

Example two:

when equipment is in moist or rainwater weather during operation, the air water content that gets into in the box 1 can be too big and easily at box 1 internal dewfall, lead to equipment job stabilization to cause the damage even to equipment, for solving above-mentioned problem, this embodiment provides a terminal box, cover body 21 outside on the basis of embodiment one and increased the humidity control subassembly, with real time monitoring and the humidity of adjusting in the box 1, if can in time adjust humidity when the humidity value is too big in the box 1, in order to guarantee the dry environment in the box 1, in addition, the setting of humidity control subassembly still makes the terminal box constitute a complete closed-loop control system, not only promote the stability of equipment operation, the life of equipment has still been prolonged.

As shown in fig. 4, the humidity control assembly includes a humidity detector, a controller and a heater, both of which are electrically connected to the controller; wherein, the moisture detector is arranged at the bottom of the cover body 21, so that the cover body 21 can play a protection role for the moisture detector, the controller and the heater are arranged on the box body 1, when the moisture control component works, the moisture detector transmits a detected moisture value signal to the controller, the controller can analyze a detection value through a logic comparison circuit, when the detection value is respectively greater than a set low, medium and high alarm value, the controller can start the heater to three corresponding low, medium and high different gears, the started heater can heat and dehumidify the inside of the box body 1, the moisture value in the terminal box is controlled in a normal range, the intelligent detection and adjustment of the moisture in the box body 1 are realized, the energy consumption of the moisture control group is reduced, in addition, the moisture control component can also monitor whether the performance of the cover body 21 is good in real time, if the condition of water leakage occurs, can send out alarm signal in time. Specifically, when the value detected by the humidity detector is greater than the high alarm value, the alarm electrically connected with the controller can give an alarm, for example, a discontinuous dripping alarm sound is given, a patrol worker is prompted to have a water leakage phenomenon in the terminal box, and the device needs to be checked, so that the stability of the equipment is improved.

The terminal box that this embodiment provided can heat the dehumidification according to the inside humidity value of terminal box that detects, the gear of intelligent regulation heater, not only with the inside humidity value control of terminal box in normal range effectively, has still reduced the consumption of terminal box, and is energy-concerving and environment-protective.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a terminal box, includes box (1), be provided with vent (11) on box (1), its characterized in that, terminal box still includes protector (2), protector (2) set up in box (1), protector (2) include:

the air conditioner comprises a cover body (21), wherein an air inlet (211) and an air outlet (212) are formed in the cover body (21), and the air inlet (211) is communicated with the ventilation opening (11);

a dust-proof assembly (22), the dust-proof assembly (22) being disposed within the housing (21); and

the dustproof cover comprises a baffle assembly (23), the baffle assembly (23) is arranged in the cover body (21), the baffle assembly (23) is located on one side, close to the ventilation opening (11), of the dustproof assembly (22), and a flow guide channel is arranged on the baffle assembly (23).

2. The terminal box according to claim 1, wherein the baffle assembly (23) includes a plurality of layers of baffles (231) arranged at intervals, each layer of the baffles (231) is provided with a diversion port (2311), the diversion ports (2311) of two adjacent layers of the baffles (231) are arranged in a staggered manner, and the diversion ports (2311) of each layer of the baffles (231) are communicated to form the diversion channel.

3. The terminal box according to claim 2, wherein one end of the baffle plate (231) is connected to the cover (21), the other end of the baffle plate and the cover (21) form the diversion port (2311), and two adjacent baffle plates (231) are arranged in a staggered manner.

4. Terminal box according to claim 1, characterized in that it further comprises a humidity control assembly configured to detect and regulate the humidity inside the box (1).

5. The terminal box according to claim 4, wherein the humidity control assembly comprises a humidity detector, a controller and a heater, the humidity detector and the heater are arranged inside the box body (1), and the humidity detector and the heater are electrically connected with the controller.

6. The terminal box according to any one of claims 1 to 5, wherein the air inlet (211) is provided at one side of the cover (21), and the air outlet (212) is provided at the top of the cover (21).

7. The terminal box according to any one of claims 1 to 5, wherein the baffle plate assembly (23) is disposed higher than the vent opening (11).

8. The terminal box according to any one of claims 1 to 5, wherein the cover (21) includes a bottom plate (215), the bottom plate (215) is connected to the box body (1), and an inner wall of the bottom plate (215) is flush with a bottom of the ventilation opening (11).

9. Terminal box according to any of claims 1 to 5, characterised in that the cover (21) is sealingly connected to the box (1) along the edges of the ventilation opening (11).

10. The terminal box according to any one of claims 1-5, characterized in that the dust-proof component (22) comprises dust-proof cotton.