Novel explosion-proof high-temperature box

Abstract

The utility model relates to the technical field of high-temperature test boxes, and discloses a novel explosion-proof high-temperature box which comprises a test box body, a test cavity is formed in the test box body, an air inlet plate and an air outlet plate are arranged on the two sides of the test cavity respectively, the air inlet plate is provided with a plurality of air inlet holes, and the air outlet plate is provided with a plurality of air return holes. The air inlet hole and the air return hole are movably connected with adjusting valve plates used for adjusting the air volume. The test box is further provided with a high-temperature test device, the high-temperature test device comprises an air duct, an air supply device and a heater, the air supply device and the heater are sequentially arranged in the air duct, and the air duct is communicated with the test cavity through an air inlet hole and an air return hole; the air inlet plate and the air outlet plate in the test box are respectively provided with the air inlet hole and the air return hole, and the air inlet hole and the air return hole are correspondingly provided with the adjusting valve plates, so that the air inlet amount in the test box can be adjusted according to the requirements of test products.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature test boxes, in particular to a novel explosion-proof high-temperature box. Background Art

[0002] The test chamber is a general term for products in the environmental testing industry. It simulates the natural climate environment within an effective space range to test the various performance indicators of the test products. Among them, the high temperature test chamber is a common test device. The left and right side covers of the traditional high temperature test chamber are both opened with round holes for ventilation. The sizes of the round holes of the air inlet and outlet of high temperature chambers of different styles and sizes need to be opened based on experience, and once the size is determined, it has become fixed, resulting in the inability to adjust the air intake volume in the chamber and cannot be adjusted according to the test requirements of the product. In view of this, the inventor made a new invention. Utility Model Content

[0003] The utility model aims to provide a novel explosion-proof high-temperature box with the feature of adjustable air intake volume in view of the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model is a novel explosion-proof high-temperature box, including a test box, a test chamber is opened inside the test box, and air inlet plates and air outlet plates are respectively arranged on both sides of the test chamber, the air inlet plate is provided with a plurality of air inlet holes, and the air outlet plate is provided with a plurality of return air holes, and the air inlet holes and the return air holes are both movably connected with regulating valves for adjusting the air volume; the test box is also provided with a high-temperature test device, and the high-temperature test device includes an air duct, an air supply device and a heater, the air supply device and the heater are arranged in sequence inside the air duct, and the air duct is connected to the test chamber through the air inlet holes and the return air holes; a high-temperature airflow circulation is formed between the air duct and the test chamber.

[0005] Preferably, the regulating valve plates of adjacent air inlet holes are arranged opposite to each other; and the regulating valve plates of adjacent air return holes are arranged opposite to each other.

[0006] Preferably, the test box is provided with a dust removal device, which includes an exhaust duct and a dust removal fan arranged on the exhaust duct; one end of the exhaust duct is connected to the air duct, and the other end is connected to the test chamber.

[0007] Preferably, the exhaust pipe comprises an inner pipe and an outer pipe, the outer pipe is sleeved on the outside of the inner pipe and an insulation layer is filled between the inner pipe and the outer pipe.

[0008] Preferably, the air supply device includes a circulation fan and a plurality of air inlet pipes, and the circulation fan guides the airflow from the air inlet pipes into the interior of the air duct.

[0009] Preferably, the air inlet duct is provided with a flow regulating device, which includes an adjusting baffle, a connecting rod and an adjusting knob; a fixed seat is provided on the top of the test box, the adjusting baffle is provided inside the air inlet duct and connected to each other through a connecting rod, and the adjusting knob is provided on the fixed seat, and the adjusting knob can drive the connecting rod to rotate and thereby adjust the position of the adjusting baffle.

[0010] Preferably, a concentration measuring component for measuring the VOC gas concentration inside the test chamber is provided on the top of the test box.

[0011] Preferably, the concentration measurement component includes a micro vacuum pump, a condenser and a concentration measuring instrument; the condenser is connected to the air duct, and the condenser is connected to the micro vacuum pump, and the micro vacuum pump extracts the gas from the air duct and sends it to the concentration measuring instrument.

[0012] Preferably, the test chamber is also provided with an explosion-proof device for pressure relief.

[0013] Preferably, a group of sliding rails are symmetrically arranged at the bottom of the test chamber.

[0014] Beneficial effects: Compared with the prior art, the utility model is a new explosion-proof high-temperature box, which has the following advantages: 1. The air inlet plate and the air outlet plate inside the test box are respectively provided with air inlet holes and air return holes, and the air inlet holes and the air return holes are correspondingly provided with regulating valve plates, so that the air intake volume inside the test box can be adjusted according to the needs of the test products; 2. The regulating valve plates of adjacent air inlet holes and return air holes are set in opposite directions, so that the air intake directions of the air holes are complementary, which not only realizes the adjustable air volume inside the test box, but also does not affect the uniformity of the air volume inside the test box; 3. The test box body is also provided with a dust removal device, which can discharge the dust, smoke, etc. generated by the test products out of the test box body in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the dust removal device of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the flow regulating device and concentration measuring component of the utility model.

[0018] Figure 4 It is a schematic diagram of the internal structure of the exhaust duct of the utility model.

[0019] Figure 5 This is a schematic diagram of the internal structure of the test box of the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the air inlet plate and the air outlet plate of the utility model.

[0021] Reference numerals include:

[0022] Test box--1, test chamber--2, air inlet plate--21, air inlet hole--211, air outlet plate--22, return air hole--221, regulating valve plate--23, sliding rail--24, high temperature test device--3, air duct--31, air supply device--32, circulating fan--321, air inlet pipe--322, heater--33, dust removal device--4, exhaust pipe--41, inner pipe--411, outer pipe--412, insulation layer--413, dust removal fan--42, flow regulating device--5, regulating baffle--51, connecting rod--52, regulating knob--53, fixing seat--54, concentration measuring component--6, micro vacuum pump--61, condenser--62, concentration measuring instrument--63, explosion-proof device--7. DETAILED DESCRIPTION

[0023] The following is combined with Figures 1 to 6 The utility model is described in detail.

[0024] The utility model is a novel explosion-proof high-temperature box, comprising a test box 1, wherein a test chamber 2 is provided inside the test box 1, and air inlet plates 21 and air outlet plates 22 are respectively arranged on both sides of the test chamber 2, wherein the air inlet plate 21 is provided with a plurality of air inlet holes 211, and the air outlet plate 22 is provided with a plurality of return air holes 221, wherein the air inlet holes 211 and the return air holes 221 are both movably connected with regulating valve plates 23 for adjusting the air volume; the test box 1 is also provided with a high-temperature test device 3, wherein the high-temperature test device 3 comprises an air duct 31, an air supply device 32 and a heater 33, wherein the air supply device 32 and the heater 33 are sequentially arranged inside the air duct 31, and the air duct 31 is connected to the test chamber 2 through the air inlet holes 211 and the return air holes 221; when the test box 1 is opened, the air supply device 32 guides the air flow into the air duct 31 to flow into the test chamber 2 after being heated by the heater 33, and a high-temperature air flow circulation is formed between the air duct 31 and the test chamber 2 to heat the test product.

[0025] The utility model is a high-temperature test box 1, also known as an aging test box 1, and its advantage lies in that the air inlet plate 21 and the air outlet plate 22 inside the test box 1 are respectively provided with an air inlet hole 211 and an air return hole 221, and the air inlet hole 211 and the air return hole 211 are respectively provided with an adjusting valve plate 23, the opening degree of the adjusting valve plate 23 can be manually adjusted, and then the air volume of the air inlet hole 211 and the air return hole 221 is adjusted, so that the air intake volume inside the test box 1 can be adjusted according to the needs of the test product, the test adjustment is not qualitative, and the overall test range of the test box 1 is further expanded.

[0026] Preferably, the regulating valve plates 23 of adjacent air inlet holes 211 are arranged in opposite directions; the regulating valve plates 23 of adjacent air return holes 221 are arranged in opposite directions. The regulating valve plates 23 of adjacent air inlet holes 211 and air return holes 221 are arranged in opposite directions, so that the air inlet directions of the air holes complement each other, which not only realizes the adjustable air volume inside the test box 1, but also does not affect the uniformity of the air volume inside the test box 1.

[0027] The test box 1 is also provided with a dust removal device 4, which can promptly discharge the dust, smoke, etc. generated by the test product out of the test box 1, thereby extending its service life; for example, when the test box 1 is used for semi-finished product testing of cemented carbide round bars and mining alloys, the dust removal device 4 can promptly remove the black smoke, etc. generated by the semi-finished products, to avoid affecting the test process.

[0028] As one embodiment, the dust removal device 4 includes an exhaust duct 41 and a dust removal fan 42 arranged on the exhaust duct 41; one end of the exhaust duct 41 is connected to the air duct 31, and the other end is connected to the test chamber 2. When the dust in the air duct 31 and the test chamber 2 reaches a certain concentration, the dust removal device 4 is immediately turned on, and the dust removal fan 42 is started to immediately extract the dust through the exhaust duct 41.

[0029] To further improve the technical solution, the exhaust pipe 41 includes an inner pipe 411 and an outer pipe 412, wherein the outer pipe 412 is sleeved outside the inner pipe 411 and a heat-insulating layer 413 is filled between the inner pipe 411 and the outer pipe 412. The gas discharged from the exhaust pipe 41 is a test gas with a temperature of up to 250°C. The exhaust pipe 41 is equipped with a heat-insulating layer 413, which can effectively prevent the outer arm of the exhaust pipe 41 from being overheated and scalding the staff.

[0030] Preferably, the air supply device 32 includes a circulation fan 321 and a plurality of air inlet pipes 322 , and the circulation fan 321 guides the air flow from the air inlet pipes 322 into the air duct 31 .

[0031] Preferably, the air inlet pipe 322 is provided with a flow regulating device 5, and the flow regulating mechanism is used to adjust the air intake of the test box 1. The flow regulating device 5 includes an adjusting baffle 51, a connecting rod 52 and an adjusting knob 53; a fixing seat 54 is provided on the top of the test box 1, the adjusting baffle 51 is provided inside the air inlet pipe 322 and is connected to each other through the connecting rod 52, and the adjusting knob 53 is provided on the fixing seat 54, and the adjusting knob 53 can drive the connecting rod 52 to rotate and then adjust the positions of the adjusting baffles 51 of the two air inlet pipes 322 at the same time, so as to adjust the opening degree of the air inlet pipe 322 and control the air intake. The overall structure of the device is simple, and the control of the test air volume can be achieved at a low cost.

[0032] Preferably, a concentration measuring component 6 for measuring the VOC gas concentration inside the test chamber 2 is provided on the top of the test box 1. VOC gas is a general term for volatile organic gases, and the concentration measuring component 6 measures its concentration to verify the performance of the test product, and is also used to display the concentration of toxic gases to prevent poisoning of personnel.

[0033] Preferably, the concentration measurement component 6 includes a micro vacuum pump 61, a condenser 62 and a concentration meter 63; the condenser 62 is connected to the air duct 31, and the condenser 62 is connected to the micro vacuum pump 61, the micro vacuum pump 61 extracts the gas from the air duct 31 and sends it to the concentration meter 63, and the concentration meter 63 displays the final VOC gas concentration. The device can cool the high-temperature gas through the condenser 62 before flowing into the concentration meter 63, thereby ensuring that the concentration meter 63 will not be damaged due to excessive temperature, has a longer service life, and has more accurate concentration measurement results.

[0034] As another embodiment, the test chamber 2 is further provided with an explosion-proof device 7 for pressure relief. The explosion-proof device 7 opens a pressure relief port in the test chamber 2, and the pressure relief port is connected to the elastic doors and windows outside the test box 1. When there is an overpressure situation such as an explosion inside the test chamber 2, the gas is discharged in time through the pressure relief port and collides with the elastic doors and windows to discharge the gas in time, thereby eliminating safety hazards.

[0035] As another embodiment, a group of sliding rails 24 are symmetrically arranged at the bottom of the test chamber 2 to facilitate the cart-type test vehicle to be directly pushed into the test chamber 2.

[0036] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A novel explosion-proof high temperature box, comprising a test box (1), wherein a test chamber (2) is provided inside the test box (1), and characterized in that: An air inlet plate (21) and an air outlet plate (22) are respectively arranged on both sides of the test chamber (2); the air inlet plate (21) is provided with a plurality of air inlet holes (211); the air outlet plate (22) is provided with a plurality of air return holes (221); the air inlet holes (211) and the air return holes (221) are both movably connected with a regulating valve plate (23) for adjusting the air volume; the test box (1) is also provided with a high-temperature test device (3); the high-temperature test device (3) comprises an air duct (31), an air supply device (32) and a heater (33); the air supply device (32) and the heater (33) are sequentially arranged inside the air duct (31); the air duct (31) is connected to the test chamber (2) through the air inlet holes (211) and the air return holes (221); a high-temperature airflow circulation is formed between the air duct (31) and the test chamber (2).

2. A new type of explosion-proof high temperature box according to claim 1, characterized in that: The regulating valve plates (23) of adjacent air inlet holes (211) are arranged in opposite directions to each other; and the regulating valve plates (23) of adjacent air return holes (221) are arranged in opposite directions to each other.

3. The novel explosion-proof high temperature box according to claim 1 is characterized in that: The test box (1) is provided with a dust removal device (4), and the dust removal device (4) comprises an exhaust pipe (41) and a dust removal fan (42) arranged on the exhaust pipe (41); one end of the exhaust pipe (41) is connected to the air duct (31), and the other end is connected to the test chamber (2).

4. A new type of explosion-proof high temperature box according to claim 3, characterized in that: The exhaust pipe (41) comprises an inner pipe (411) and an outer pipe (412); the outer pipe (412) is sleeved on the outside of the inner pipe (411), and a heat-insulating layer (413) is filled between the inner pipe (411) and the outer pipe (412).

5. The novel explosion-proof high temperature box according to claim 1 is characterized in that: The air supply device (32) comprises a circulation fan (321) and a plurality of air inlet pipes (322); the circulation fan (321) guides airflow from the air inlet pipes (322) into the interior of the air duct (31).

6. The novel explosion-proof high temperature box according to claim 5 is characterized in that: The air inlet pipe (322) is provided with a flow regulating device (5), and the flow regulating device (5) comprises an adjusting baffle (51), a connecting rod (52) and an adjusting knob (53); a fixing seat (54) is provided on the top of the test box (1); the adjusting baffle (51) is arranged inside the air inlet pipe (322) and is connected to each other through the connecting rod (52); the adjusting knob (53) is arranged on the fixing seat (54); the adjusting knob (53) can drive the connecting rod (52) to rotate and thereby adjust the position of the adjusting baffle (51).

7. The novel explosion-proof high temperature box according to claim 1 is characterized in that: The top of the test box (1) is provided with a concentration measurement component (6) for measuring the VOC gas concentration inside the test chamber (2).

8. The novel explosion-proof high temperature box according to claim 7 is characterized in that: The concentration measurement component (6) comprises a micro vacuum pump (61), a condenser (62) and a concentration measuring instrument (63); the condenser (62) is connected to the air duct (31), and the condenser (62) is connected to the micro vacuum pump (61); the micro vacuum pump (61) extracts gas from the air duct (31) and sends the gas to the concentration measuring instrument (63).

9. The novel explosion-proof high temperature box according to claim 1 is characterized in that: The test chamber (2) is also provided with an explosion-proof device (7) for pressure relief.

10. A novel explosion-proof high temperature box according to any one of claims 1 to 9, characterized in that: A group of sliding rails (24) are symmetrically arranged at the bottom of the test chamber (2).

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