CN219370433U

CN219370433U - Residual current fire disaster early warning device

Info

Publication number: CN219370433U
Application number: CN202223534659.4U
Authority: CN
Inventors: 戴涛; 王敏; 朱刚; 姚彭斐; 毕文
Original assignee: Zhejiang Qinggong Electric Co ltd; Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Zhejiang Qinggong Electric Co ltd; Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-18
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to a residual current fire early warning device, comprising: monitoring box still includes: the locking mechanism is used for carrying out auxiliary fixation on the electric connecting wire, the protection mechanism is used for protecting the display and sealing the bolt hole, and the moistureproof mechanism is used for preventing the monitoring box from being wetted; a display is arranged on the outer wall of the monitoring box; the downward two ends of the outer wall of the monitoring box are provided with wiring holes; the outer walls of the monitoring boxes corresponding to the wiring holes are provided with bolt holes; the locking mechanisms are arranged at the upper end and the lower end of the monitoring box; the protection mechanism is arranged on the outer wall of the monitoring box; the dampproofing mechanism is installed in the outer wall both sides of monitoring box. The connecting wire fixing device has the advantages that through the arrangement of the locking mechanism, the connecting wire which needs to be connected and fixed can be fixed in the wiring hole through the elastic telescopic structure formed by the two groups of limiting wheels, the springs and the locking frame, and then the connecting wire is conveniently locked and fixed through the screw, so that the connecting wire is prevented from loosening and falling off in the locking process.

Description

Residual current fire disaster early warning device

Technical Field

The utility model relates to a residual current fire early warning device.

Background

The residual current type electric fire monitoring detector is a fire-fighting electronic product, and the national standard is defined as follows: the detector for monitoring the change of the residual current value in the protected circuit is generally composed of a residual current sensor and a signal processing unit, wherein the residual current sensor is a sensor for measuring the change of the residual current value in the protected circuit and is generally a residual current transformer; the signal processing unit is used for receiving measurement data of the residual current sensor and analyzing and processing the data, when abnormal conditions occur in residual current, temperature, current and other data indexes of the electrical equipment, the sensor of the electrical fire monitoring system can collect index change information through the electromagnetic induction principle and the temperature change effect and transmit the index change information to the signal processing unit in the electrical fire monitoring system, and after the steps of filtering, amplifying, A/D conversion, analysis, judgment, comparison and the like, an alarm signal can be sent out immediately once the key data index exceeds a preset value and is transmitted to monitoring equipment of the electrical fire monitoring system, so that the residual current fire early warning device is required to be provided for improving the use convenience and the protection effect of the device.

Because the connecting wire in the current most residual current fire early warning device is not convenient to assist and fix, the staff is locking the connecting wire through screw cooperation bolt hole and is easy to lead to the connecting wire to produce not hard up, influence locking effect and installation effectiveness, and monitor box lacks the safety protection effect, display and warning light receive the pollution of outside dust easily, influence the observation effect, and the connecting hole after the installation also lacks sealed effect and lead to the entering of dust, the normal operation of equipment is influenced easily, at last in long-time use moist steam causes corrosion damage to the inside electrical components of monitor box easily, the job stabilization nature and the durability of equipment are influenced easily.

Disclosure of Invention

The utility model aims to provide a residual current fire early warning device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

residual current fire early warning device includes: monitoring box still includes: the locking mechanism is used for carrying out auxiliary fixation on the electric connecting wire, the protection mechanism is used for protecting the display and sealing the bolt hole, and the moistureproof mechanism is used for preventing the monitoring box from being wetted; a display is arranged on the outer wall of the monitoring box; the downward two ends of the outer wall of the monitoring box are provided with wiring holes; the outer walls of the monitoring boxes corresponding to the wiring holes are provided with bolt holes; the locking mechanisms are arranged at the upper end and the lower end of the monitoring box; the protection mechanism is arranged on the outer wall of the monitoring box; the dampproofing mechanism is installed in the outer wall both sides of monitoring box.

Compared with the prior art, the utility model has the beneficial effects that: through locking mechanism's setting, can be through under the elastic expansion structure that two sets of spacing wheel cooperation springs and lock frame constitute, can be fixed the connecting wire that needs to connect fixedly in the wiring downthehole, then use screw cooperation bolt hole to lock convenient the carrying on of connecting wire fixedly, avoid producing at locking in-process connecting wire and become flexible and drop, secondly, through protection mechanism's setting, can connect convenient installation visor through the block, can protect the display through the visor, avoid colliding with and cause the damage to the display, and reduce dust pollution display, secondly, through the sealing disc of one-to-one setting, can seal the bolt hole that the installation was accomplished, avoid dust and spot to get into the bolt hole and cause the pollution to monitor box inner wall and influence the job stabilization nature of device, can adsorb through dampproofing mechanism's setting at last, the bleeder vent that the moisture in the air was passed through the moisture absorbent material in the moisture absorption board and cooperation dehumidification box outer wall was seted up, avoid moist steam to get into in the monitor box and cause corrosion pollution to electrical apparatus component, improve the durability and stability of the device effectively.

As a further aspect of the present utility model; the locking mechanism includes: the locking device comprises a locking frame, a limiting rod, a limiting frame, a limiting wheel and a spring; the locking frame is arranged at the top end of the outer wall of the monitoring box; limiting rods are arranged on two sides of the inner wall of the locking frame; the outer wall of the limiting rod is sleeved with a limiting frame; a limiting wheel is fixed on the inner wall of the limiting frame; the outer wall of the limiting frame is welded with a spring; and the spring bottom welds on the inner wall of locking frame, the beneficial effect of this embodiment is: through locking mechanism's setting, can be through under the elastic expansion structure that two sets of spacing round cooperation springs and lock frame constitute, can fix the connecting wire that needs to connect fixedly in the wiring hole, then use screw cooperation bolt hole to lock convenient the carrying on of connecting wire fixedly, avoid producing at locking in-process connecting wire and become flexible and drop.

As a further aspect of the present utility model; the limiting frame forms a telescopic structure through a spring and a locking frame; and the springs are symmetrically arranged by taking the central axis of the limiting frame as an axis.

As a further aspect of the present utility model; the limit frame is arranged on the locking frame through a limit rod and a movable structure; and the inner wall of the limit frame is tightly attached to the outer wall of the limit rod.

As a further aspect of the present utility model; the protection mechanism includes: the device comprises a fixing frame, a clamping groove, a clamping block, a protective cover, a connecting rod and a sealing disc; the fixed mount is arranged on the monitored outer side wall; the inner wall of the fixing frame is provided with a clamping groove; the inner wall of the clamping groove is clamped with a clamping block; the upper end of the outer wall of the clamping block is connected with a protective cover; connecting rods are arranged on the upper part and the lower part of the protective cover; the connecting rod outer wall end is provided with sealing disk, and the beneficial effect of this embodiment is: through protection machanism's setting, can connect convenient installation visor through the block, can protect the display through the visor, avoid colliding with and cause the damage to the display to reduce dust pollution display, secondly through the sealing disc that the one-to-one set up, can seal the bolt hole that the installation was accomplished, avoid dust and spot to get into the bolt hole and cause the pollution to monitor box inner wall and influence the device's job stabilization nature.

As a further aspect of the present utility model; the protective cover is connected with the clamping groove in a clamping way through the clamping block; and the inner wall of the clamping groove and the outer wall of the clamping block are both T-shaped.

As a further aspect of the present utility model; the diameter of the sealing disc is larger than that of the bolt hole, and the sealing disc and the bolt hole are arranged in one-to-one correspondence.

As a further aspect of the present utility model; the moistureproof mechanism comprises a dehumidifying box, air holes, a moisture absorption plate and a handle; the dehumidifying box is arranged on the outer wall of the monitoring box; the outer walls of the dehumidifying boxes are provided with air holes; the inner wall of the dehumidifying box is sleeved with a moisture absorption plate; the moisture absorption board outer wall is connected with the handle, and the beneficial effect of this embodiment is: through dampproofing mechanism's setting, the bleeder vent of seting up the dehumidification box outer wall is cooperated to the moisture material through the moisture absorption in the board adsorbs the moist steam in the air, avoids moist steam to get into in the monitoring box and causes corrosion pollution to electrical components, improves the durability and the stability of device effectively.

As a further aspect of the present utility model; the moisture absorption plate is movably connected with the dehumidifying box; and the inner wall of the dehumidifying box is tightly attached to the outer wall of the moisture absorption plate.

As a further aspect of the present utility model; the breather holes are distributed at equal intervals on the outer wall of the dehumidifying box.

Drawings

FIG. 1 is a schematic perspective view of a residual current fire early warning device;

FIG. 2 is a schematic diagram of the structure of the main body of the monitoring box of the residual current fire early warning device;

FIG. 3 is a schematic diagram of a top view connection structure of a locking mechanism of the residual current fire early warning device;

FIG. 4 is a schematic diagram of a side view connection structure of a protection mechanism of the residual current fire early warning device;

fig. 5 is a schematic diagram showing a structure of a moisture-proof mechanism of the residual current fire early warning device in a separated state.

1. A monitoring box; 2. a display; 3. a wiring hole; 4. bolt holes; 5. a locking mechanism; 501. a locking frame; 502. a limit rod; 503. a limiting frame; 504. a limiting wheel; 505. a spring; 6. a protective mechanism; 601. a fixing frame; 602. a clamping groove; 603. a clamping block; 604. a protective cover; 605. a connecting rod; 606. a sealing plate; 7. a moisture-proof mechanism; 701. a dehumidifying box; 702. ventilation holes; 703. a moisture absorption plate; 704. a handle.

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 to 5, in an embodiment of the utility model, a residual current fire early warning device includes: the monitoring box 1, as a preferred embodiment, further comprises: a locking mechanism 5 for auxiliary fixing of the electrical connection wires, a protection mechanism 6 for protecting the display 2 and sealing the bolt holes 4, and a moisture-proof mechanism 7 for preventing the monitor box 1 from being wetted; a display 2 is arranged on the outer wall of the monitoring box 1; the downward two ends of the outer wall of the monitoring box 1 are provided with wiring holes 3; the outer walls of the monitoring boxes 1 corresponding to the wiring holes 3 are provided with bolt holes 4; the locking mechanisms 5 are arranged at the upper end and the lower end of the monitoring box 1; the protection mechanism 6 is arranged on the outer wall of the monitoring box 1; the moisture-proof mechanism 7 is installed on both sides of the outer wall of the monitoring box 1.

As a preferred embodiment, the locking mechanism 5 includes: the locking frame 501, the limit rod 502, the limit frame 503, the limit wheel 504 and the spring 505; the locking frame 501 is arranged at the top end of the outer wall of the monitoring box 1; limiting rods 502 are arranged on two sides of the inner wall of the locking frame 501; a limiting frame 503 is sleeved on the outer wall of the limiting rod 502; a limiting wheel 504 is fixed on the inner wall of the limiting frame 503; the outer wall of the limiting frame 503 is welded with a spring 505; and the bottom end of the spring 505 is welded to the inner wall of the locking frame 501.

Specifically, firstly, the device is matched and installed in an electric box, then connecting wires of electric equipment to be monitored are inserted into the wiring holes 3 in a one-to-one correspondence manner, the connecting wires to be connected and fixed can be fixed in the wiring holes 3 through the elastic telescopic structure formed by the two groups of limiting wheels 504, the matching springs 505 and the locking frame 501, then the connecting wires are conveniently locked and fixed through the screw matching bolt holes 4, loose falling of the connecting wires in the locking process is avoided, and the connecting wires are locked and fixed through the screw matching bolt holes 4.

As a preferred embodiment, the limiting frame 503 and the locking frame 501 form a telescopic structure through a spring 505; and the springs 505 are axisymmetrically arranged with the central axis of the limiting frame 503.

As a preferred embodiment, the limiting frame 503 and the locking frame 501 form a movable structure through the limiting rod 502; and the inner wall of the limit frame 503 is tightly attached to the outer wall of the limit rod 502.

As a preferred embodiment, the guard mechanism 6 includes: the fixing frame 601, the clamping groove 602, the clamping block 603, the protective cover 604, the connecting rod 605 and the sealing disc 606; the fixing frame 601 is mounted on the monitored outer side wall; a clamping groove 602 is formed in the inner wall of the fixing frame 601; the inner wall of the clamping groove 602 is clamped with a clamping block 603; the upper end of the outer wall of the clamping block 603 is connected with a protective cover 604; the protective cover 604 is provided with a connecting rod 605 up and down; the end of the outer wall of the connecting rod 605 is provided with a sealing disk 606.

Specifically, can connect convenient installation visor 604 through the block, can protect display 2 through visor 604, avoid colliding with and cause the damage to display 2 to reduce dust pollution display 2, secondly through the sealing disc 606 that the one-to-one set up, can seal the bolt hole 4 that installs completely, avoid dust and spot to get into bolt hole 4 and cause the pollution and influence the job stabilization nature of device to monitor box 1 inner wall.

As a preferred embodiment, the protective cover 604 is engaged with the clamping groove 602 through the clamping block 603; and the inner wall of the clamping groove 602 and the outer wall of the clamping block 603 are both in a T-shaped design.

As a preferred embodiment, the diameter of the sealing disc 606 is larger than the diameter of the bolt hole 4, and the sealing disc 606 is arranged in a one-to-one correspondence with the bolt hole 4.

As a preferred embodiment, the moisture-proof mechanism 7 includes a moisture-removing box 701, a ventilation hole 702, a moisture-absorbing plate 703 and a handle 704; the dehumidifying box 701 is installed on the outer wall of the monitoring box; the outer walls of the dehumidifying boxes 701 are provided with air holes 702; the inner wall of the dehumidifying box 701 is sleeved with a moisture absorption plate 703; the outer wall of the moisture absorption plate 703 is connected with a handle 704.

Specifically, in the use of the device, the excessive moist steam in the air can cause corrosion injury to equipment, at this moment, the moisture in the air can be adsorbed by the moisture absorbent material in the moisture absorption plate 703 and the ventilation holes 702 formed in the outer wall of the moisture absorption box 701, so that the moist steam is prevented from entering the monitoring box 1 to cause corrosion pollution to electrical elements, and the durability and the stability of the device are effectively improved.

As a preferred embodiment, the moisture absorption plate 703 is movably connected with the moisture absorption box 701; and the inner wall of the dehumidifying box 701 is tightly attached to the outer wall of the moisture absorption plate 703.

As a preferred embodiment, the ventilation holes 702 are equally spaced on the outer wall of the dehumidifying case 701.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A residual current fire early warning device, comprising: monitoring box, its characterized in that still includes: the locking mechanism is used for carrying out auxiliary fixation on the electric connecting wire, the protection mechanism is used for protecting the display and sealing the bolt hole, and the moistureproof mechanism is used for preventing the monitoring box from being wetted; a display is arranged on the outer wall of the monitoring box; wiring holes are formed in the downward two ends of the outer wall of the monitoring box; the outer walls of the monitoring boxes corresponding to the wiring holes are provided with bolt holes; the locking mechanisms are arranged at the upper end and the lower end of the monitoring box; the protection mechanism is arranged on the outer wall of the monitoring box; the dampproofing mechanism is installed in the outer wall both sides of monitoring box.

2. The residual current fire alarm device according to claim 1, wherein,

the locking mechanism includes: the locking device comprises a locking frame, a limiting rod, a limiting frame, a limiting wheel and a spring; the locking frame is arranged at the top end of the outer wall of the monitoring box; limiting rods are arranged on two sides of the inner wall of the locking frame; a limiting frame is sleeved on the outer wall of the limiting rod; a limiting wheel is fixed on the inner wall of the limiting frame; the outer wall of the limiting frame is welded with a spring; and the bottom end of the spring is welded on the inner wall of the locking frame.

3. The residual current fire alarm device according to claim 2, wherein,

the limiting frame is formed into a telescopic structure through a spring and a locking frame; and the springs are symmetrically arranged by taking the central axis of the limiting frame as an axis.

4. The residual current fire alarm device according to claim 2, wherein,

the limiting frame is movably arranged on the locking frame through a limiting rod; and the inner wall of the limit frame is tightly attached to the outer wall of the limit rod.

5. The residual current fire alarm device according to claim 1, wherein,

the protection mechanism includes: the device comprises a fixing frame, a clamping groove, a clamping block, a protective cover, a connecting rod and a sealing disc; the fixing frame is arranged on the monitored outer side wall; the inner wall of the fixing frame is provided with a clamping groove; the inner wall of the clamping groove is clamped with a clamping block; the upper end of the outer wall of the clamping block is connected with a protective cover; connecting rods are arranged on the upper part and the lower part of the protective cover; and a sealing disc is arranged at the tail end of the outer wall of the connecting rod.

6. The residual current fire alarm device according to claim 5, wherein,

the protective cover is connected with the clamping groove in a clamping way through a clamping block; and the inner wall of the clamping groove and the outer wall of the clamping block are both T-shaped.

7. The residual current fire alarm device according to claim 5, wherein,

the diameter of the sealing disc is larger than that of the bolt hole, and the sealing disc and the bolt hole are arranged in one-to-one correspondence.

8. The residual current fire alarm device according to claim 1, wherein,

the moistureproof mechanism comprises a dehumidifying box, air holes, a moisture absorption plate and a handle; the dehumidification box is arranged on the outer wall of the monitoring box; the outer walls of the dehumidifying boxes are provided with air holes; the inner wall of the dehumidifying box is sleeved with a moisture absorption plate; the outer wall of the moisture absorption plate is connected with a handle.

9. The residual current fire alarm device according to claim 8, wherein,

the moisture absorption plate is movably connected with the dehumidification box; and the inner wall of the dehumidifying box is tightly attached to the outer wall of the moisture absorption plate.

10. The residual current fire alarm device according to claim 8, wherein,

the breather holes are distributed at equal intervals on the outer wall of the dehumidifying box.