CN219611267U

CN219611267U - Platinum thermal resistor junction box

Info

Publication number: CN219611267U
Application number: CN202223530628.1U
Authority: CN
Inventors: 孙文斌; 周伟; 汤卫勇; 李小青; 张学山; 孙玉蓉
Original assignee: Jiangsu Dongjia Electrical Co ltd
Current assignee: Jiangsu Dongjia Electrical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-29
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a platinum thermal resistor junction box, which comprises a junction box body, wherein an external connection wire is arranged and connected on the outer side of the junction box body, a sealing gasket is arranged at the front end of the junction box body so as to enhance the sealing performance when being connected with a box cover, and a resistor junction terminal connecting row is arranged in the junction box body; further comprises: the first frame body is embedded and installed in the junction box body, the first frame body is positioned at the left side of the resistor wiring terminal connection row, and a humidity sensor is installed at the bottom of the first frame body; and the second frame body is fixedly arranged in the junction box body, and the bottom of the second frame body is connected with a diaphragm in a hot melt mode. This platinum thermal resistance terminal box adsorbs the inside steam of butt joint line box through the dehumidification granule package that first framework inside set up, realizes dampproofing, guarantees the normal operating of inside electrical component to the pressure release operation is realized to accessible movable pressure release board, the security is improved.

Description

Platinum thermal resistor junction box

Technical Field

The utility model relates to the technical field related to junction boxes, in particular to a platinum thermal resistor junction box.

Background

The platinum thermal resistor belongs to a temperature control element, and is installed in a junction box through a wiring terminal, and the junction box protects a junction box from electric accidents such as short circuit and the like.

In the prior art, for example, an authorized publication number CN213959653U is a dampproof cable junction box, which is provided with a dampproof layer, a waterproof breathable layer and a drainage groove, wherein the dampproof layer can effectively prevent water vapor from entering the junction box, the waterproof breathable layer can effectively drain the water vapor in the junction box, the drainage groove is convenient for draining the water vapor in the junction box through the drainage groove, the waterproof performance is good, the water in the junction box can be timely drained, and the electric short-circuit accident is prevented;

in the actual use process of the junction box, moisture is prevented from entering the junction box, however, in long-term use, part of moisture is easy to penetrate into the junction box, so that the internal electric elements are damaged, the temperature of the electric elements is increased during high-load operation, and the internal pressure of the junction box is too high, so that normal operation is influenced.

We therefore propose a platinum-thermal-resistance junction box in order to solve the problems set forth above.

Disclosure of Invention

The utility model aims to provide a platinum thermal resistor junction box, which solves the problems that the existing platinum thermal resistor junction box in the market provided by the background technology is inconvenient to dehumidify the inside, has poor dehumidification effect and is inconvenient to release pressure inside the junction box.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the platinum thermal resistor junction box comprises a junction box body, wherein an external connection wire is arranged and connected on the outer side of the junction box body, a sealing gasket is arranged at the front end of the junction box body so as to enhance the sealing performance when being connected with a box cover, and a resistor junction terminal connecting row is arranged in the junction box body;

further comprises:

the first frame body is embedded and installed in the junction box body, the first frame body is positioned at the left side of the resistor wiring terminal connection row, the humidity sensor is installed at the bottom of the first frame body and used for detecting the internal humidity condition of the junction box body, and the upper end of the humidity sensor is connected with the electric push rod;

the second frame body is fixedly arranged in the junction box body, is positioned on the right side of the resistor wiring terminal connection row, and is connected with a diaphragm in a hot-melt mode.

Preferably, a piston plate is fixedly arranged at the upper end of the electric push rod, and the side wall of the piston plate is attached to the inner wall of the first frame body, so that when the electric push rod drives the piston plate to move up and down in the first frame body, gas in the junction box can be pumped into the first frame body.

Preferably, the dehumidification granule package is installed to the inside embedding of upper end of first framework, and equidistant vent of having seted up of upper end of first framework, and the below of dehumidification granule package corresponds with the piston plate, makes can utilize the dehumidification granule package to adsorb the inside steam of junction box body.

Preferably, the lower extreme inside slidable mounting of second framework has the relief pressure board, and the relief pressure board constitutes the laminating with the second framework and reciprocates sliding structure, and the equal fixed mounting in left and right sides of relief pressure board upper end has first body of rod for when terminal box body internal pressure is too big, can drive the relief pressure board and carry out upward movement.

Preferably, the upper end laminating of first body of rod is located the lower extreme inside of second body of rod, and second body of rod fixed mounting in the inner wall of second framework, and the outside cover of second body of rod is equipped with compression spring, and compression spring's upper and lower both ends are connected with second framework and pressure release board respectively moreover for first body of rod can be at the inside activity about the second body of rod.

Preferably, the middle part of the upper end of the pressure release plate is fixedly provided with a spike, and the spike and the membrane are arranged in a vertically opposite mode, so that the pressure release plate drives the spike to puncture the membrane to release inert gas in the second frame.

Compared with the prior art, the utility model has the beneficial effects that: this platinum thermal resistance terminal box, through the inside dehumidification granule package that sets up of first framework, adsorb the inside steam of butt joint line box, realize dampproofing, guarantee the normal operating of inside electrical component to the pressure release board of usable activity realizes the pressure release operation, improves the security, and its concrete effect is as follows:

1. the sealing gasket and the dehumidification particle bag are arranged, so that the sealing effect inside the junction box can be enhanced by using the sealing gasket, after water vapor permeates into the junction box, the water vapor can be absorbed and dehumidified by using the dehumidification particle bag, when the humidity sensor detects that the water vapor is excessive, the electric push rod is started, the electric push rod drives the piston plate to move inside the first frame body, the air inside the junction box body is accelerated to enter the ventilation opening to contact and dehumidify by using the dehumidification particle bag, and the dehumidification effect is improved;

2. be provided with pressure release board and diaphragm for when the inside electrical component of terminal box body high load work and lead to the temperature to rise, the inside pressure of terminal box body also promotes gradually, drives the pressure release board and removes in the bottom of second framework, enlarges terminal box body inner space capacity, realizes the pressure release, and after the pressure value is too big and drive spike on the pressure release board and diaphragm contact, will puncture the diaphragm, release the inert gas that the second framework is inside to be stored, avoids the emergence of conflagration condition.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a first frame of the present utility model;

FIG. 3 is a schematic illustration of a front cross-sectional structure of a diaphragm of the present utility model;

FIG. 4 is a schematic illustration of the front cross-sectional structure of the pressure relief plate of the present utility model;

fig. 5 is a schematic diagram of a connecting front section structure of a first rod body and a second rod body according to the present utility model.

In the figure: 1. a junction box body; 2. an external wiring; 3. a sealing gasket; 4. a resistor wiring terminal connecting row; 5. a first frame; 6. a second frame; 7. a humidity sensor; 8. an electric push rod; 9. a piston plate; 10. a dehumidifying particle pack; 11. a vent; 12. a membrane; 13. a pressure relief plate; 14. a first rod body; 15. a second rod body; 16. a pressure spring; 17. a spike.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the platinum thermal resistor junction box comprises a junction box body 1, wherein an outer wiring 2 is installed and connected to the outer side of the junction box body 1, a sealing gasket 3 is installed at the front end of the junction box body 1 so as to enhance sealing performance when being connected with a box cover, and a resistor wiring terminal connecting row 4 is installed inside the junction box body 1; further comprises: the first frame body 5 is embedded and installed in the junction box body 1, the first frame body 5 is positioned at the left side of the resistor wiring terminal connecting row 4, the bottom of the first frame body 5 is provided with a humidity sensor 7 for detecting the internal humidity condition of the junction box body 1, and the upper end of the humidity sensor 7 is connected with an electric push rod 8; a piston plate 9 is fixedly arranged at the upper end of the electric push rod 8, and the side wall of the piston plate 9 is attached to the inner wall of the first frame 5; the dehumidifying particle bags 10 are embedded and installed in the upper end of the first frame body 5, ventilation openings 11 are formed in the upper end of the first frame body 5 at equal intervals, and the lower parts of the dehumidifying particle bags 10 correspond to the piston plates 9;

with reference to fig. 1-2, after the junction box body 1 is covered with the box cover, the sealing effect inside the junction box can be enhanced by using the sealing gasket 3, and when moisture permeates into the junction box body 1, the moisture can be absorbed and dehumidified by using the dehumidification particle packet 10, meanwhile, when the humidity sensor 7 detects that the moisture is too much, the humidity sensor 7 controls the electric push rod 8 to start through the singlechip, the electric push rod 8 drives the piston plate 9 to move inside the first frame 5, so that the air inside the junction box body 1 is accelerated to enter the ventilation opening 11 to contact and dehumidify the dehumidification particle packet 10, the dehumidification effect is improved, and the dampproof function is realized;

the second frame 6 is fixedly arranged in the junction box body 1, the second frame 6 is positioned on the right side of the resistor wiring terminal connecting row 4, and the bottom of the second frame 6 is connected with a membrane 12 in a hot melt mode; the pressure release plate 13 is slidably arranged in the lower end of the second frame body 6, the pressure release plate 13 and the second frame body 6 form a combined up-down sliding structure, and the left side and the right side of the upper end of the pressure release plate 13 are fixedly provided with a first rod body 14; the upper end of the first rod body 14 is attached to the inside of the lower end of the second rod body 15, the second rod body 15 is fixedly arranged on the inner wall of the second frame body 6, a pressure spring 16 is sleeved on the outer side of the second rod body 15, and the upper end and the lower end of the pressure spring 16 are respectively connected with the second frame body 6 and the pressure relief plate 13; the middle part of the upper end of the pressure release plate 13 is fixedly provided with a spike 17, and the spike 17 and the membrane 12 are arranged in a vertically opposite mode;

as shown in fig. 1 and fig. 3 to 5, when the high load operation of the electrical components inside the junction box body 1 is carried out, and the internal pressure is gradually increased, the pressure release plate 13 movably mounted at the bottom of the second frame 6 moves at the bottom of the second frame 6 through the bonding action with the second frame 6, so that the internal space capacity of the junction box body 1 is enlarged, the pressure release is realized, when the pressure value is too large, the pressure release plate 13 drives the spike 17 to contact with the membrane 12, the membrane 12 is punctured, the inert gas stored inside the second frame 6 is released, and the occurrence of fire situations is avoided.

Working principle: when the platinum thermal resistor junction box is used, as shown in fig. 1-5, the sealing effect inside the junction box is enhanced through the sealing gasket 3 after the junction box body 1 is assembled, when excessive water vapor permeates into the junction box body 1, automatic adsorption dehumidification is performed under the action of the dehumidifying particle bag 10, and when the humidity sensor 7 detects excessive water vapor, the electric push rod 8 is controlled by the singlechip to start, the electric push rod 8 drives the piston plate 9 to move in the first frame 5, the air in the junction box body 1 enters the ventilation opening 11 to contact the dehumidifying particle bag 10 to realize passive dehumidification, the dehumidifying effect is improved, when the internal electric element of the junction box body 1 is operated under high load, the internal temperature is raised, the pressure release plate 13 moves at the bottom of the second frame 6 through the bonding effect between the electric push rod and the second frame 6, the pressure release plate 13 drives the puncture 17 to puncture the membrane 12 to release inert gas stored in the second frame 6 when the pressure value is excessive, and the fire disaster is avoided.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The platinum thermal resistor junction box comprises a junction box body (1), an external connection wire (2) is arranged and connected on the outer side of the junction box body (1), a sealing gasket (3) is arranged at the front end of the junction box body (1) so as to enhance the sealing performance when being connected with a box cover, and a resistor junction terminal connecting row (4) is arranged in the junction box body (1);

characterized by further comprising:

the first frame body (5) is embedded and installed in the junction box body (1), the first frame body (5) is positioned on the left side of the resistor wiring terminal connection row (4), the humidity sensor (7) is installed at the bottom of the first frame body (5) and used for detecting the internal humidity condition of the junction box body (1), and the upper end of the humidity sensor (7) is connected with the electric push rod (8);

the second frame body (6) is fixedly arranged in the junction box body (1), the second frame body (6) is positioned on the right side of the resistor wiring terminal connection row (4), and the bottom of the second frame body (6) is connected with a membrane (12) in a hot melting mode.

2. A platinum resistance junction box according to claim 1, wherein: the upper end of the electric push rod (8) is fixedly provided with a piston plate (9), and the side wall of the piston plate (9) is attached to the inner wall of the first frame body (5).

3. A platinum resistance junction box according to claim 1, wherein: the dehumidifying particle bag (10) is embedded and installed in the upper end of the first frame body (5), ventilation openings (11) are formed in the upper end of the first frame body (5) at equal intervals, and the lower portion of the dehumidifying particle bag (10) corresponds to the piston plate (9).

4. A platinum resistance junction box according to claim 1, wherein: the pressure relief plate (13) is slidably mounted in the lower end of the second frame body (6), the pressure relief plate (13) and the second frame body (6) form a joint up-down sliding structure, and the left side and the right side of the upper end of the pressure relief plate (13) are fixedly provided with first rod bodies (14).

5. A platinum resistance junction box according to claim 4, wherein: the upper end laminating of first body of rod (14) is located the lower extreme inside of second body of rod (15), and second body of rod (15) fixed mounting in the inner wall of second framework (6), and the outside cover of second body of rod (15) is equipped with compression spring (16), and the upper and lower both ends of compression spring (16) are connected with second framework (6) and pressure release board (13) respectively.

6. A platinum resistance junction box according to claim 4, wherein: the middle part of the upper end of the pressure relief plate (13) is fixedly provided with a spike (17), and the spike (17) and the membrane (12) are arranged in an up-down opposite mode.