CN219828834U

CN219828834U - Ignition device suitable for flame ignition resistance test of furniture simulated matches

Info

Publication number: CN219828834U
Application number: CN202320332483.XU
Authority: CN
Inventors: 邢博; 陈厚兴; 郭立敏; 霍丽平
Original assignee: Beijing Institute Of Product Quality Supervision And Inspection
Current assignee: Beijing Institute Of Product Quality Supervision And Inspection
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-10-13
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses an ignition device suitable for a flame ignition resistance test of a furniture simulated match, which comprises a shell, a gas transmission pipeline and a controller, wherein a pressure gauge, a pressure reducing valve, a flow regulating valve, a flowmeter, an electromagnetic switch and a combustion head are sequentially arranged at the gas transmission pipeline; the controller comprises a control switch, a timer and a control unit. The ignition device suitable for the flame ignition resistance test of the furniture simulated matches has the beneficial effects that the flame burns stably and the accuracy of the placement position of the burning head can be improved.

Description

Ignition device suitable for flame ignition resistance test of furniture simulated matches

Technical Field

The utility model relates to the technical field of furniture detection, in particular to an ignition device suitable for a flame ignition resistance test of a simulated match of furniture.

Background

Furniture is a major appliance and facility which is necessary for human to maintain normal life, to engage in production practice and to develop social activities, and is an important foundation for building working and living spaces, and the furniture is various in material, complete in variety and different in use from the beginning to the end of the time.

The problems of the ignition device for the flame ignition resistance test of the simulated matches of the furniture in the current market are as follows: most of the devices on the market cannot meet the standard requirements of gas flow and nominal output pressure, the used flowmeter and pressure meter unit are inconsistent with the standard, when a sample burns, flame combustion is unstable, the position of a combustion head for igniting the sample cannot be well determined, and the test reliability is poor.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the ignition device which is stable in flame combustion and suitable for a flame ignition resistance test of a furniture simulated match, and can improve the accuracy of the placement position of a combustion head.

The technical scheme of the utility model is as follows:

the ignition device suitable for the flame ignition resistance test of the furniture simulated matches comprises a shell, a gas transmission pipeline and a controller, wherein an electronic pressure gauge, a pressure reducing valve, a flow regulating valve, an electronic flowmeter, an electromagnetic switch and a combustion head are sequentially arranged at the gas transmission pipeline, a holding rod for holding the combustion head is arranged at the outer wall of the gas transmission pipeline, which is close to one side of the combustion head, and the gas transmission pipeline is arranged in the shell and extends outwards;

the gas preheating device comprises a shell, and is characterized in that a heater is arranged in the shell, a temperature sensor is arranged in the heater, a first stay bar is arranged on the upper portion of the shell, a connecting block is slidably connected to the first stay bar, a second stay bar is fixedly connected to the connecting block, a slide way is rotatably connected to the end portion of the second stay bar, a sliding table is slidably connected to the upper portion of the slide way, and the sliding table is connected with one end of the holding rod;

the controller comprises a control switch, a timer and a control unit, wherein the control switch, the electromagnetic switch, the temperature sensor, the timer and the heater are respectively and electrically connected with the control unit.

Preferably, the pressure gauge is an electronic pressure gauge.

In any of the above aspects, preferably, the flowmeter is an electronic flowmeter.

In any of the above aspects, preferably, a laser emitter is disposed at the sliding table, and an emission direction of the laser emitter is parallel to the holding rod.

In any of the above schemes, preferably, the flame height measuring device further comprises a flame height measuring ruler, wherein a sleeve is arranged at one end of the flame height measuring ruler, and the flame height measuring ruler is sleeved at the holding rod through the sleeve.

In any of the above aspects, preferably, the sleeve is made of ferromagnetic material, and a magnetic ring is provided at an end of the holding rod away from the combustion head.

In any of the above schemes, preferably, the control unit is a single chip microcomputer.

In any of the above schemes, preferably, the device further comprises a prompt unit, and the prompt unit is electrically connected with the control unit.

In any of the above embodiments, it is preferable that a roller is provided at a bottom of the housing.

In any of the above embodiments, it is preferable that the roller is a fuman wheel or a castor wheel.

The ignition device suitable for the flame ignition resistance test of the furniture simulated matches has the advantages of stable flame combustion and capability of improving the accuracy of the placement position of the combustion head.

Drawings

FIG. 1 is a schematic view of an embodiment of an ignition device of the present utility model suitable for a simulated match flame ignition test of furniture.

Fig. 2 is a schematic view of a preferred embodiment of the sliding table, holding rod and laser transmitter of the ignition device suitable for the flame ignition test of the simulated matches of the furniture.

FIG. 3 is a schematic view of an embodiment of a burner head of an ignition device of the present utility model suitable for a simulated match flame ignition test.

FIG. 4 is a schematic A-A cross-sectional view of the combustion head of the embodiment of FIG. 3.

Fig. 5 is a schematic diagram of the flame height measuring ruler, the holding rod and the combustion head of the ignition device suitable for the flame ignition resistance test of the furniture simulated matches.

FIG. 6 is a schematic diagram of an embodiment of the present utility model of a gas line and heater combination suitable for a simulated match flame ignition test.

Fig. 7 is a schematic circuit connection diagram of an ignition device suitable for a simulated match flame ignition test of furniture according to the present utility model.

The reference numerals in the figures illustrate:

101-a first stay; 102-a sliding table; 103-a laser emitter; 104-holding the rod; 105-combustion head; 106, a slideway; 107-second stay bar; 108-connecting blocks; 109-a housing; 110-a roller; 111-a gas transmission pipeline; 201-a socket; 202-a combustion tube; 203-a clamping seat; 204-blind holes; 205-a heater; 206-sleeve; 207-magnetic ring; 208-flame height measuring scale.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

Example 1:

in this embodiment, the pressure reducing valve disposed at the gas transmission pipeline 111 is used to adjust the pressure of the gas so that the pressure of the gas meets the requirement of flame combustion in the experiment. The pressure gauge is used for indicating the pressure of the depressurized gas, and the flow regulating valve is used for regulating the gas flow at the gas transmission pipeline 111. The flow meter is used to indicate the flow at the gas line 111. The electromagnetic switch is used for controlling the opening and closing of the gas transmission pipeline 111. In order to reduce the waiting time during ignition, the electromagnetic switch should be located as close to the burner 105 as possible. Wherein, the manometer is the electronic manometer. The electronic pressure gauge has the advantages of wide measuring range and convenient reading. The flowmeter is an electronic flowmeter. The error range guaranteed by the electronic flowmeter is +/-2 ml/min, the electronic flowmeter has the advantage of high precision, and the electronic flowmeter is convenient to calibrate, so that the performance of the device after assembly can be guaranteed.

The shell 109 is used for installing each functional component, and the shell 109 can be formed by splicing thin plates after stamping through screws. The front surface of the housing 109 forms a control zone that may be disposed at an angle of 15-30 deg. from vertical for ease of viewing and manipulation during assembly. The control switch, timer, pressure gauge, flow regulating valve, and flow meter are respectively disposed in the control region of the housing 109. The side wall of the shell 109 is provided with a quick connector, one end of the quick connector is connected with one end of the gas transmission pipeline 111, and the other end of the quick connector is connected with the gas storage bottle. The upper part of the housing 109 is provided with a base by which the outer wall of the gas transmission line 111 is fixed to the base such that a part of the gas transmission line 111 is located inside the housing 109 and another part extends to the outside of the housing 109. Wherein, in order to move the position of the experimental device according to the shape of the experimental furniture during the experimental process, the bottom of the housing 109 is provided with a roller 110, and the roller 110 is in the form of a fuma wheel or a universal castor.

The heater 205 disposed inside the housing 109 is configured to preheat the gas in the gas pipeline 111, so as to eliminate the influence of the temperature of the gas on the combustion heat during the combustion of the gas, and ensure the consistency of the combustion heat of the gas under the same flow and the same pressure. A temperature sensor provided in the heater 205 is used to detect the temperature in the heater 205 so that the warm-up temperature is within a certain threshold range. In order to ensure the preheating effect, the gas transmission pipeline 111 is coiled inside the heater 205, and the heater 205 is heated by water bath.

The holding rod 104 arranged at the outer wall of the gas pipeline 111 close to one side of the combustion head 105 is of a hollow structure, the holding rod 104 plays a role in holding the combustion head 105, and the combustion head 105 is suspended above an experimental part under the action of the holding rod 104 in use. Specifically, the combustion head 105 includes a combustion tube 202, a socket 201 is disposed at an outer wall of the combustion tube 202, the socket 201 is in a hollow cylindrical shape, an inner diameter of the socket 201 is adapted to an outer diameter of the holding rod 104, and the connection between the combustion head 105 and the holding rod 104 can be completed by inserting the socket 201 into an end portion of the holding rod 104. The gas transmission pipeline 111 is inserted into the combustion pipe 202 through the through hole at the holding rod 104.

The connecting block 108 of sliding connection in first vaulting pole 101 department is provided with the screw hole, screw hole department is provided with the rotor screw, through the elasticity of adjustment rotor screw, can realize the regulation of the relative position of connecting block 108 and first vaulting pole 101 and the fixed of connecting block 108 and first vaulting pole 101. The second stay 107 may be welded to the connection block 108 by welding. The slide way 106 is provided with a blind hole 204, the slide way 106 is rotatably connected to the end of the second stay bar 107 through the blind hole 204, wherein a damper is arranged between the second stay bar 107 and the blind hole 204 of the slide way 106 in order to increase friction between the slide way 106 and the second stay bar 107. The upper part of the slideway 106 is slidably connected with the sliding table 102, and the holding rod 104 is fixedly connected to the upper part of the sliding table 102 through the clamping seat 203. When the device is used, the relative positions of the connecting block 108 and the first supporting rod 101, the sliding way 106 and the second supporting rod 107, and the sliding way 102 and the sliding way 106 can be adjusted according to the size and the placement position of furniture to be tested, so that the position of the combustion head 105 accords with the specification of the position of the combustion head in GB 17927.2-2011.

The controller comprises a control switch and a control unit, wherein the control switch comprises a power switch, a starting switch and a scram switch. The control unit is provided with a plurality of I/O interfaces, and the start switch, the emergency stop switch, the electromagnetic switch, the temperature sensor, the timer and the heater 205 are respectively and electrically connected with the corresponding I/O interfaces at the control unit. When the heater 205 is used specifically, the power switch and the start switch are turned on, the heater 205 is started to heat the fuel gas first, the control unit obtains the feedback of the temperature sensor, when the temperature is lower than the preset threshold value, the control unit controls the electromagnetic switch to keep the off state, and only when the temperature value fed back by the temperature sensor is in the preset threshold value range, the control unit controls the electromagnetic valve to keep the on state. At this time, the pressure reducing valve and the flow regulating valve are rotated, so that the gas pressure and the gas flow meet the experimental requirements. The gas is ignited at the combustion head 105, the position of the combustion head 105 is adjusted to the experimental part, and the combustion record of the furniture surface is made according to the timing of the timer. The timer can be in the form of a time relay, and the control unit can be a singlechip.

Example 2:

on the basis of embodiment 1, a laser emitter 103 is provided at the slide table 102 of the present embodiment. The bottom of laser emitter 103 is provided with the mount pad, and laser emitter 103 adopts the screw fixation in the upper portion of slip table 102 through the mount pad, laser emitter 103 sends laser direction and is parallel to the grip lever 104, and the space interval of laser to slip table 102 is equal to the space interval of grip lever 104 central axis to slip table 102 preferably.

The laser transmitter 103 plays a role in assisting in positioning the combustion head 105, before adjusting the angle of the combustion head 105, the relative positions of the connecting block 108, the first supporting rod 101, the slideway 106 and the second supporting rod 107 can be adjusted in advance according to the light emitted by laser, and finally the relative positions of the sliding table 102 and the slideway 106 are adjusted, so that the combustion head 105 is positioned at an experimental part.

Example 3:

on the basis of embodiment 1 or 2, a sleeve 206 is arranged at the holding rod 104 of the embodiment, and a flame height measuring scale 208 is connected at the sleeve 206, wherein when the sleeve 206 slides to the side of the combustion head 105, the 0 scale of the flame height measuring scale 208 is just flush with the end part of the combustion tube 202. In use, the slide 106 is rotated to a vertical position, and the sleeve 206 is slid to the uppermost portion of the handle bar 104, so that the flame height can be conveniently and rapidly measured by observing the highest point reading of the flame.

In this embodiment, the sleeve 206 is made of ferromagnetic material, and a magnetic ring 207 is disposed at an end of the holding rod 104 away from the combustion head 105. When the flame height measurement is not performed, the sleeve 206 can be attracted to the magnetic ring 207, so that the flame height measuring ruler 208 is prevented from interfering with the experiment.

Example 4:

in this embodiment, the display device further includes a prompting unit, where the prompting unit is electrically connected with the control unit. Specifically, the control unit acquires the execution feedback of the timer in real time, and after the timer reaches the set time, the control unit sends a prompt to an experimenter through the prompt unit, so that the experimenter is ensured to remove the combustion head 105 in time and record the combustion experiment result. Wherein, the prompting unit can adopt a form of a voice alarm or a buzzer alarm.

The above embodiments are only preferred embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply to the present utility model, and all equivalents and modifications according to the technical scheme and the inventive concept thereof are intended to be covered by the scope of the present utility model.

Claims

1. The ignition device suitable for the flame ignition resistance test of the furniture simulated matches comprises a shell (109), a gas pipeline (111) and a controller, and is characterized in that a pressure gauge, a pressure reducing valve, a flow regulating valve, a flowmeter, an electromagnetic switch and a combustion head (105) are sequentially arranged at the gas pipeline (111), a holding rod (104) for holding the combustion head (105) is arranged at the outer wall of the gas pipeline (111) close to one side of the combustion head (105), and the gas pipeline (111) is arranged in the shell (109) and extends outwards;

the inside of casing (109) is provided with heater (205), be provided with temperature sensor in heater (205), heater (205) are used for preheating the gas, the upper portion of casing (109) is provided with first vaulting pole (101), first vaulting pole (101) department sliding connection has connecting block (108), connecting block (108) department fixedly connected with second vaulting pole (107), the tip rotation of second vaulting pole (107) is connected with slide (106), the upper portion sliding connection of slide (106) has slip table (102), slip table (102) with the one end of holding pole (104) is connected;

the controller comprises a control switch, a timer and a control unit, wherein the control switch, the electromagnetic switch, the temperature sensor, the timer and the heater (205) are respectively and electrically connected with the control unit.

2. An ignition device suitable for a simulated matches flame ignition test of furniture as claimed in claim 1, wherein said pressure gauge is an electronic pressure gauge.

3. An ignition device for a simulated matches flame ignition test as claimed in claim 1, wherein said flowmeter is an electronic flowmeter.

4. An ignition device suitable for a flame ignition resistance test of a simulated matches for furniture according to claim 1, characterized in that a laser emitter (103) is arranged at the sliding table (102), and the emitting direction of the laser emitter (103) is parallel to the holding rod (104).

5. An ignition device suitable for a match flame ignition resistance test simulated by furniture according to claim 1, further comprising a flame height measuring scale (208), wherein one end of the flame height measuring scale (208) is provided with a sleeve (206), and the flame height measuring scale (208) is sleeved at the holding rod (104) through the sleeve (206).

6. An ignition device suitable for a match flame ignition resistance test simulated by furniture according to claim 5, characterized in that said sleeve (206) is made of ferromagnetic material, and said holding rod (104) is provided with a magnetic ring (207) at the end remote from said combustion head (105).

7. The ignition device suitable for a flame ignition resistance test of a simulated match of furniture according to claim 1, wherein the control unit is a single chip microcomputer.

8. The ignition device for a match flame ignition resistance test for furniture according to claim 1, further comprising a prompting unit, wherein the prompting unit is electrically connected with the control unit.

9. An ignition device suitable for a simulated matches flame ignition test of furniture according to claim 1, characterized in that the bottom of the housing (109) is provided with rollers (110).

10. An ignition device suitable for a simulated matches flame ignition test of furniture as claimed in claim 9, wherein said roller (110) is a fuma wheel or a castor wheel.