CN-224231168-U - Smoke protection performance test equipment for fireproof door

CN224231168UCN 224231168 UCN224231168 UCN 224231168UCN-224231168-U

Abstract

The utility model provides smoke-proof performance test equipment for a fireproof door, which comprises a test furnace, a separation middle frame, an air supply device, a circulating fan, heating pipes, a mounting rack, thermocouples, a differential pressure measuring instrument and a control device, wherein the separation middle frame is fixed in the test furnace and is used for fixing the fireproof door, the circulating fan is fixed in the test furnace and corresponds to the upper part of an air transmission port, an air outlet of the circulating fan faces upwards, the heating pipes are fixed in the test furnace and correspond to the upper part of the circulating fan, the heating pipes are distributed in a wavy manner along the horizontal direction, and the heating pipes are provided with multiple layers along the vertical direction.

Inventors

LI ZONGYUAN
LUO HAIMEI
HU TAO
WANG LING
GU XIANG
WEN QIONG
LI ZHONGMING

Assignees

广东逸华交通工程检测有限公司
东莞市中诺质检仪器设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (6)

1. The smoke protection performance test equipment for the fireproof door is characterized by comprising a test furnace, a separation middle frame, an air supply device, a circulating fan, a heating pipe, a mounting frame, a thermocouple, a differential pressure measuring instrument and a control device, wherein the separation middle frame is fixed in the test furnace and used for fixing the fireproof door, a simulation cavity corresponding to the rear side of the separation middle frame and a test cavity corresponding to the front side of the separation middle frame are arranged in the test furnace, an air transmission port of the air supply device is communicated with the bottom of the simulation cavity, the circulating fan is fixed in the test furnace and corresponds to the upper side of the air transmission port, an air outlet of the circulating fan faces upwards, the circulating fan is uniformly provided with a plurality of groups along the horizontal direction, the heating pipe is fixed in the test furnace and corresponds to the upper side of the circulating fan, the heating pipe is distributed in a wavy shape along the horizontal direction, the heating pipe is provided with a plurality of layers along the vertical direction, the mounting frame is fixed in the test cavity, the thermocouple is uniformly fixed with the plurality of groups on the mounting frame, and the differential pressure measuring instrument is fixed in the test cavity, and the control device is connected with the air supply device, the circulating fan and the differential pressure measuring instrument.
2. The smoke protection performance test equipment of the fireproof door according to claim 1, wherein the test furnace comprises a furnace body, a movable frame, a locking assembly, a sealing ring and a sealing plate, an opening is formed in the front side of the furnace body, the simulation cavity and the test cavity are formed in the furnace body, the movable frame is fixed on the front side edge of the furnace body through the locking assembly, the sealing ring is fixed on the furnace body and corresponds to the space between the furnace body and the movable frame, and the sealing plate is fixed on the movable frame and corresponds to the opening of the furnace body.
3. The smoke protection performance test equipment of the fireproof door according to claim 2, wherein the locking assembly comprises a hinge seat, a U-shaped buckle, a connecting screw and a rotary hand wheel, the hinge seat is fixed on the outer side of the furnace body, the U-shaped buckle is fixed on the movable frame and is provided with an outward opening, the U-shaped buckle corresponds to the front side of the hinge seat, the rear end of the connecting screw is rotatably mounted on the hinge seat, the middle part of the connecting screw penetrates through the U-shaped buckle, the rotary hand wheel is in threaded connection with the front end of the connecting screw, and the rear end face of the rotary hand wheel is in contact with the front end face of the U-shaped buckle.
4. The fire door smoke protection performance test equipment of claim 3, wherein the locking components are arranged in a plurality of groups on the left side and the right side of the furnace body.
5. The smoke protection performance test equipment for a fireproof door according to claim 4, wherein the test furnace further comprises a stepping ladder, and a group of stepping ladders are fixedly arranged on the left side and the right side of the test furnace respectively.
6. The smoke protection performance test equipment of the fireproof door according to claim 1, wherein the circulating fan comprises a rotating motor, fan blades, an air guide shell, a sliding rail and a push-pull plate, the rotating motor is fixed on the test furnace, the fan blades are fixed at the power output end of the rotating motor and correspond to the lower portion of the heating pipe, the air guide shell is fixed on the test furnace and covers the periphery of the fan blades, the front end of the air guide shell is provided with an air inlet, the sliding rail is fixed at the upper end of the air guide shell, the upper end of the air guide shell is provided with an air outlet, the air outlet corresponds to the rear side of the sliding rail, and the push-pull plate is in sliding connection with the sliding rail and corresponds to the upper portion of the air outlet.

Description

Smoke protection performance test equipment for fireproof door Technical Field The utility model relates to the technical field of fireproof door testing, in particular to a device for testing the smoke resistance of a fireproof door. Background The fireproof door is a fireproof partition with certain fire resistance, which is arranged between fireproof partitions, evacuation stairwells, vertical shafts and the like, has the function of preventing fire spreading and smoke spreading besides the function of a common door, can prevent the spreading of fire and smoke in a certain time, ensures personnel evacuation, and is particularly important for smoke resistance tests of the fireproof door. The existing fire door smoke protection performance test equipment is characterized in that a fire door to be tested is fixed on a middle frame in a test furnace, so that the test furnace is divided into a simulation area at the rear side and a detection area at the front side, gas is introduced into the simulation area and heated to simulate the smoke condition in a fire disaster, a differential pressure detection head and a thermocouple are arranged in the detection area and used for detecting the change of temperature and air pressure, so that the smoke protection performance of the fire door is judged. Disclosure of utility model The utility model aims to provide a device for testing the smoke resistance of a fireproof door so as to solve the problems in the background art. In order to achieve the above object, the present utility model provides the following technical solutions: The utility model provides a prevent fire door smoke protection performance test equipment, including the test furnace, separate the center, air feeder, circulating fan, the heating pipe, the mounting bracket, the thermocouple, differential pressure measuring apparatu and controlling means, separate the center and fix in the test furnace, be used for fixed fire door, be equipped with the simulation cavity that corresponds to separating center rear side in the test furnace and be corresponding to the test cavity that separates center front side, air feeder's gas-supply port and the bottom intercommunication of simulation cavity, circulating fan fixes in the test furnace and be corresponding to the top of gas-supply port, circulating fan's air outlet up, circulating fan evenly sets up the multiunit along the horizontal direction, the heating pipe is fixed in the test furnace and be corresponding to circulating fan's top, the heating pipe is wavy distribution along the horizontal direction, the heating pipe sets up the multilayer along the vertical direction, the mounting bracket is fixed in the test cavity, the thermocouple evenly fixes the multiunit on the mounting bracket, differential pressure measuring apparatu is fixed in the test cavity, controlling means is all electrically connected with air feeder, differential pressure, the heating pipe, the thermocouple, the measuring apparatu. The test furnace comprises a furnace body, a movable frame, a locking assembly, a sealing ring and a sealing plate, wherein an opening is formed in the front side of the furnace body, a simulation cavity and a test cavity are formed in the furnace body, the movable frame is fixed on the front side edge of the furnace body through the locking assembly, the sealing ring is fixed on the furnace body and corresponds to the space between the furnace body and the movable frame, and the sealing plate is fixed on the movable frame and corresponds to the opening of the furnace body. The locking component comprises a hinging seat, a U-shaped buckle, a connecting screw rod and a rotary hand wheel, wherein the hinging seat is fixed on the outer side of the furnace body, the U-shaped buckle is fixed on the movable frame, the opening of the U-shaped buckle faces outwards, the U-shaped buckle corresponds to the front side of the hinging seat, the rear end of the connecting screw rod is rotatably arranged on the hinging seat, the middle part of the connecting screw rod penetrates through the U-shaped buckle, the rotary hand wheel is in threaded connection with the front end of the connecting screw rod, and the rear end face of the rotary hand wheel is in contact with the front end face of the U-shaped buckle. Further describing the utility model, the locking components are arranged on the left side and the right side of the furnace body. Further describing the utility model, the test furnace also comprises a stepping ladder, wherein a group of stepping ladders are fixedly arranged on the left side and the right side of the test furnace respectively. The circulating fan comprises a rotating motor, fan blades, an air guide shell, a sliding rail and a push-pull plate, wherein the rotating motor is fixed on a test furnace, the fan blades are fixed at the power output end of the rotating motor and correspond to the lower part of a heating pipe, the air guide shell is fixed on the