CN220040132U - Building material incombustibility test system - Google Patents
Building material incombustibility test system Download PDFInfo
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- CN220040132U CN220040132U CN202320288294.7U CN202320288294U CN220040132U CN 220040132 U CN220040132 U CN 220040132U CN 202320288294 U CN202320288294 U CN 202320288294U CN 220040132 U CN220040132 U CN 220040132U
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- 238000012360 testing method Methods 0.000 title claims abstract description 169
- 239000004566 building material Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 61
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a building material incombustibility test system, which comprises: the testing arrangement, its characterized in that still includes: a furnace; the driving component is arranged on the hearth, connected with the testing device and driven to be opened by the testing device; the sample blue is positioned above the hearth and connected with the driving part, and is driven by the driving part to enter the hearth or be far away from the hearth; the heating component is positioned in the hearth, is connected with the testing device and is driven to be started by the testing device; the sensor assembly is connected with the testing device and used for acquiring temperature data during testing; and the weight measuring unit is arranged on the driving part and connected with the testing device and is used for acquiring weight information of the sample in the testing process.
Description
Technical Field
The utility model relates to the technical field of building material testing systems, in particular to a building material incombustibility testing system.
Background
The combustion performance of the building material is an important basis for dividing the combustion level of the building material and determining the safe use of the building decoration and structural materials, and is also a foundation for evaluating the fireproof performance of the building and guiding the fireproof design of the building. If the combustion performance of the building material cannot meet the actual requirements of building fire prevention, the building has potential safety hazards, and once a fire disaster occurs, the building and personnel safety in the building are seriously threatened. The method for testing the incombustibility of the building materials has been practiced and perfected for many years, and related technical requirements are specified by clear specifications and standards (GB/T5464,ISO 13943,IEC 60584-1, EN 13238) at home and abroad.
The functions of the existing building material incombustibility test equipment are highly homogeneous, the test systems are almost completely consistent, and most manufacturers only have small differences in the appearance of the produced heating furnaces. The test system of the equipment needs a large amount of manpower to finish the operation, which means that a long-time on-duty instrument of a detector is needed in the detection process, the operation is complex, the efficiency is low, the equipment is not friendly to the detector, and the labor cost is high in the detection process.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a building material incombustibility test system which can save labor cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a building material incombustibility test system, comprising: the testing device further comprises:
a furnace;
the driving component is arranged on the hearth, connected with the testing device and driven to be opened by the testing device;
the sample blue is positioned above the hearth and connected with the driving part, and is driven by the driving part to enter the hearth or be far away from the hearth;
the heating component is positioned in the hearth, is connected with the testing device and is driven to be started by the testing device;
the sensor assembly is connected with the testing device and used for acquiring temperature data during testing;
and the weight measuring unit is arranged on the driving part and connected with the testing device and is used for acquiring weight information of the sample in the testing process.
As a further improvement of the present utility model, the driving part includes:
the motor is connected with the testing device and driven by the testing device to be started;
the rack is fixed at the side of the hearth;
the gear is sleeved on an output shaft of the motor, meshed with the rack and driven by the motor to move up and down along the rack;
and the connecting rod is connected with the gear and the sample blue.
As a further improvement of the present utility model, the present utility model further includes:
and the weight measuring unit is arranged on the connecting rod to acquire weight information of the sample.
As a further improvement of the present utility model, the sensor assembly includes:
the environment thermocouple is arranged at the side of the hearth and connected with the testing device, and is used for acquiring external environment temperature data during testing;
the furnace thermocouple is arranged in the hearth and connected with the testing device and is used for acquiring internal environment temperature data of the furnace hearth part during testing;
the sample surface thermocouple is arranged on the outer side surface of the sample blue, is connected with the testing device and is used for acquiring surface temperature data of the sample during testing;
and the sample center thermocouple is arranged in the sample blue and connected with the testing device and is used for acquiring internal temperature data of the sample during testing.
As a further improvement of the present utility model, the present utility model further includes:
the D/A conversion circuit is connected with the testing device and used for acquiring a testing signal;
and the power regulator is connected with the D/A conversion circuit and the heating component and is used for regulating the power of the heating component according to the test signal.
As a further improvement of the present utility model, the present utility model further includes:
and the prompting unit is connected with the power regulator to display the working state of the heating component.
As a further improvement of the present utility model, the present utility model further includes:
and the industrial camera is connected with the testing device and used for acquiring image information during testing.
As a further improvement of the present utility model, the present utility model further includes:
and the reflector is obliquely arranged above the hearth.
As a further improvement of the present utility model, the present utility model further includes:
and the multichannel temperature measuring circuit is respectively connected with the testing device and the sensor assembly.
As a further improvement of the present utility model, the present utility model further includes:
the base, furnace sets up on the base.
The beneficial effects of the utility model are as follows: through setting up drive unit, control sample gets into furnace automatically and tests, after the test is accomplished, control sample is automatic to leave furnace, simultaneously, has set up weight measurement unit, to the weight of sample before the test, after the test, need not operating personnel and carries out manual operation, has greatly reduced staff's work load, and then reduces human cost.
Drawings
The utility model is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a system for testing the incombustibility of a building material according to the present utility model;
FIG. 2 is a schematic view of the driving unit according to the present utility model;
fig. 3 is another structural schematic diagram of the building material incombustibility test system of the present utility model.
In the figure:
1. a testing device; 2. a furnace; 3. a driving part; 31. a motor; 32. a rack; 33. a gear; 34. a connecting rod; 4. sample blue; 5. a heating member; 6. a sensor assembly; 61. an environmental thermocouple; 62. a furnace thermocouple; 63. a thermocouple on the surface of the sample; 64. a sample center thermocouple; 7. a weight measurement unit; 8. a D/A conversion circuit; 9. a power regulator; 10. a prompting unit; 11. an industrial camera; 12. a reflective mirror; 13. a multichannel temperature measuring circuit; 14. a base; 15. an RTU communication circuit; 16. TCP video transmission circuit.
Detailed Description
In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model are described in further detail below, and it is obvious that the described embodiments 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 fall within the scope of the utility model.
Referring to fig. 1, a system for testing incombustibility of a building material according to the present utility model includes: the test device 1, the test device 1 is used for recording, calculating and analyzing test phenomena and test data in the whole test process, other structures of the test device 1, and control methods, analysis methods and calculation formulas contained in the test device 1, please see the prior art in detail, the utility model further comprises: a hearth 2, a driving part 3, a sample blue 4, a heating part 5, a sensor assembly 6 and a weight measuring unit 7; the driving part 3 is arranged on the hearth 2 and connected with the testing device 1, and is driven to be opened by the testing device 1; the sample blue 4 is positioned above the hearth 2 and connected with the driving part 3, and is driven by the driving part 3 to enter the hearth 2 or to be far away from the hearth 2; the heating component 5 is positioned in the hearth 2 and connected with the testing device 1, and is driven to be started by the testing device 1; the sensor assembly 6 is connected with the testing device 1 and is used for acquiring temperature data during testing; the weight measuring unit 7 is arranged on the drive member 3 and connected to the testing device 1 for obtaining weight information of the sample during testing.
In a specific use process, the test device 1 sends a test signal to the driving part 3, the driving part 3 starts to work to drive the sample blue 4 to the hearth 2, when the test is finished, the test device 1 sends a stop signal to the driving part 3, the driving part 3 starts to work to drive the sample blue 4 to leave the hearth 2 and return to the upper part of the hearth 2, the test time can be preset for a time period by the test device 1, meanwhile, weight information before the test of the sample and weight information after the test are obtained by the weight measurement unit 7, and the mass loss rate of the sample can be calculated according to the front weight information and the rear weight information. Based on this, it is unnecessary for the tester to control the lifting of the sample blue 4 or the weight measurement of the sample, and the workload of the tester is greatly reduced.
Preferably, the heating element 5 may be realized by means of an electric resistance tape.
As shown in fig. 2, the driving part 3 includes: a motor 31, a rack 32, a gear 33 and a connecting rod 34; the motor 31 is connected with the testing device 1 and is driven by the testing device 1 to be started; the rack 32 is fixed at the side of the hearth 2; the gear 33 is sleeved on the output shaft of the motor 31, is meshed with the rack 32, and moves up and down along the rack 32 under the drive of the motor 31; the connecting rod 34 is connected to the gear 33 and the sample blue 4. The connecting rod 34 comprises a cross rod connected with the gear 33 and a vertical rod connected with the sample blue 4. Specifically, when the motor 31 rotates, the output shaft drives the gear 33 to move on the rack 32, for example, when the motor 31 rotates forward, the gear 33 moves along the direction of the hearth 2 to start the test of the sample, and when the motor 31 rotates backward, the gear 33 moves along the direction away from the hearth 2 to end the test of the sample; when the motor 31 rotates reversely, the gear 33 moves along the direction of the hearth 2 to start the test of the sample, and when the motor 31 rotates forwardly, the gear 33 moves along the direction away from the hearth 2 to end the test of the sample.
Preferably, the weight measuring unit 7 may be implemented by a tension sensor, which is connected to the testing device 1 by the RTU communication circuit 15, and the weight of the sample blue 4 makes the tension sensor obtain the tension, so that the weight information of the sample blue 4 and the sample can be obtained. In a specific use process, the weight information obtained by the tension sensor is the weights of the sample basket, the connecting rod 34 and the sample, so that a cleaning operation is required before the sample is put in, and the tension sensor can obtain the net weight of the sample.
The sensor assembly 6 includes: the environment thermocouple 61, the in-furnace thermocouple 62, the sample surface thermocouple 63 and the sample center thermocouple 64 are arranged beside the hearth 2, and the environment thermocouple 61 is connected with the testing device 1 and used for acquiring external environment temperature data during testing; the in-furnace thermocouple 62 is arranged in the hearth 2 and connected with the testing device 1, and is used for acquiring internal environment temperature data of the hearth 2 during testing; the sample surface thermocouple 63 is disposed on the outer side surface of the sample blue 4 and connected to the testing device 1 for acquiring surface temperature data of the sample at the time of testing; a sample center thermocouple 64 is provided in the sample blue 4 and connected to the test apparatus 1 for acquiring internal temperature data of the sample at the time of the test. The in-furnace thermocouple 62, the sample surface thermocouple 63, the sample center thermocouple 64, and the environmental thermocouple 61 are used to measure the temperature in the furnace chamber 2, the sample surface temperature, the sample center temperature, and the environmental temperature during the entire test, and it should be noted that the sample surface temperature and the sample center temperature are not required to be measured in part of the test. The temperature data are transmitted to the test device 1 via the MODBUS protocol.
As shown in fig. 3, the present utility model further includes: the D/A conversion circuit 8 and the power regulator 9,D/A conversion circuit 8 are connected with the test device 1 through the RTU communication circuit 15 for acquiring a test signal; the power regulator 9 is connected to the D/a conversion circuit 8 and the heating unit 5, and is configured to regulate the power of the heating unit 5 according to the test signal. Specifically, when the test is started, the D/a conversion circuit 8 acquires a test signal emitted from the test device 1, and further emits a current signal of 4 to 20mA to control the power regulator 9 to regulate the power of the heating part 5.
When the test is completed, the utility model also provides a measure for prompting the tester, so the utility model also comprises: a prompting unit 10 connected with the power regulator for displaying the working state of the heating part 5. Specifically, the presentation unit 10 includes: the system comprises an indicator light and an audible and visual alarm, wherein when the condition of stopping the test is reached, the non-combustibility test system of the building material can stop the test, and meanwhile, the indicator light is lightened, and the audible and visual alarm emits sound to prompt a tester to complete the test.
In one embodiment, the device further comprises an industrial camera 11 connected to the testing device 1 for obtaining image information during testing, the industrial camera 11 sends the image information to the testing device 1 through the TCP video transmission circuit 16, so as to monitor whether the sample burns or not, and meanwhile, according to the recorded burning duration of the sample, it needs to be noted that regarding the content of flame state monitoring and burning market calculation, please see the prior art.
Considering that smoke particles and corrosive gas are released during the incombustibility test of the building material, the industrial camera 11 is directly aligned to the hearth 2, the lens of the industrial camera 11 is polluted by smoke and corrosive gas, in some embodiments, the building material further comprises a reflecting mirror 12, the reflecting mirror 12 is obliquely arranged above the hearth 2, and the mirror surface of the reflecting mirror 12 faces the lens of the industrial camera 11. The reflector 12 is utilized to reflect the scene in the hearth 2 to the lens of the industrial camera 11, the reflector 12 has low cost, and the cleaning and replacement cost after being polluted is low.
In some embodiments, the temperature measuring device further comprises a multichannel temperature measuring circuit 13, one end of the multichannel temperature measuring circuit 13 is connected with the testing device 1 through an RTU communication circuit 15, the other end of the multichannel temperature measuring circuit is connected with the sensor assembly 6, and temperature information of the sensor assembly 6 is acquired through the multichannel temperature measuring circuit 13. .
As shown in FIG. 1, the utility model further comprises a base, and the hearth is arranged on the base.
The utility model will be further explained in connection with specific embodiments as follows:
(1) Test information is input by a detector, and a sample is put into a sample basket to start testing;
(2) After the start of the test, the test device 1 records the weight of the sample and controls the power regulator 9 to cause the heating member 5;
(3) According to the standard (GB/T5464), the furnace temperature in the hearth 2 is regulated to be within the range of 750+/-5 ℃ for 10min, the temperature drift in the furnace is not more than 2 ℃ within the 10min, the maximum temperature deviation in the furnace is not more than 10 ℃ within the 10min, the temperature in the hearth reaches balance, namely the preheating is finished, at the moment, the test device 1 automatically controls the sample rack to descend, and a sample is put into an electric heating furnace to start a test, and the industrial camera 11 starts to monitor the combustion condition in the hearth 2;
(4) The test process can last for 30-60 min, when the test ending condition is met, the test device 1 automatically ends the test, the sample basket is lifted to take out the sample, the weight of the sample at the moment is recorded, the industrial camera 11 stops monitoring, and the testers can start the next test after the test is ended through the occurrence of sound and light;
(5) In order to develop the next test as soon as possible, at the end of the test, the test device 1 continues to control the heating element 5 to maintain constant thermal power to avoid cooling, and at the beginning of the next test, the preheating time can be greatly reduced.
In summary, the utility model has the following beneficial effects:
the weight measuring module tension sensor is adopted, and the testing device is adopted to control the driving component, so that the sample blue can automatically enter the hearth or automatically leave the open circuit in the testing process; meanwhile, the weight of the sample can be directly measured through the sample basket, special bearing equipment is not required to be used for measurement before and after the test, and the testing device can directly calculate the mass loss rate of the sample in the test process according to the measured weight of the sample.
The combustion state of the sample in the hearth in the test process is monitored through the industrial camera, the combustion state of the sample is judged through the flame identification module in the software, the combustion time of the sample is recorded, and the detection personnel do not need to watch the electric heating furnace for monitoring in the whole process.
When a plurality of samples are required to be tested continuously, the testing device can control the heating component to enter a heat preservation standby state and send out an acousto-optic prompt after one test is completed, so that the preheating time of the next test is shortened greatly.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
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 the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. A building material incombustibility test system, comprising: the testing arrangement, its characterized in that still includes:
a furnace;
the driving component is arranged on the hearth, connected with the testing device and driven to be opened by the testing device;
the sample blue is positioned above the hearth and connected with the driving part, and is driven by the driving part to enter the hearth or be far away from the hearth;
the heating component is positioned in the hearth, is connected with the testing device and is driven to be started by the testing device;
the sensor assembly is connected with the testing device and used for acquiring temperature data during testing;
and the weight measuring unit is arranged on the driving part and connected with the testing device and is used for acquiring weight information of the sample in the testing process.
2. The building material incombustibility test system according to claim 1, characterized in that the driving part includes:
the motor is connected with the testing device and driven by the testing device to be started;
the rack is fixed at the side of the hearth;
the gear is sleeved on an output shaft of the motor, meshed with the rack and driven by the motor to move up and down along the rack;
and the connecting rod is connected with the gear and the sample blue.
3. The building material incombustibility test system according to claim 2, characterized in that the weight measurement unit comprises: a tension sensor.
4. The building material incombustibility test system according to claim 1, characterized in that the sensor assembly comprises:
the environment thermocouple is arranged at the side of the hearth and connected with the testing device, and is used for acquiring external environment temperature data during testing;
the furnace thermocouple is arranged in the hearth and connected with the testing device and is used for acquiring internal environment temperature data of the furnace hearth part during testing;
the sample surface thermocouple is arranged on the outer side surface of the sample blue, is connected with the testing device and is used for acquiring surface temperature data of the sample during testing;
and the sample center thermocouple is arranged in the sample blue and connected with the testing device and is used for acquiring internal temperature data of the sample during testing.
5. The building material incombustibility test system according to claim 1, further comprising:
the D/A conversion circuit is connected with the testing device and used for acquiring a testing signal;
and the power regulator is connected with the D/A conversion circuit and the heating component and is used for regulating the power of the heating component according to the test signal.
6. The building material incombustibility test system according to claim 5, further comprising:
and the prompting unit is connected with the power regulator to display the working state of the heating component.
7. The building material incombustibility test system according to any one of claims 1 to 6, characterized by further comprising:
and the industrial camera is connected with the testing device and used for acquiring image information during testing.
8. The building material incombustibility test system according to any one of claims 1 to 6, characterized by further comprising:
and the reflector is obliquely arranged above the hearth.
9. The building material incombustibility test system according to claim 1, further comprising:
and the multichannel temperature measuring circuit is respectively connected with the testing device and the sensor assembly.
10. The building material incombustibility test system according to claim 1, further comprising:
the base, furnace sets up on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288294.7U CN220040132U (en) | 2023-02-22 | 2023-02-22 | Building material incombustibility test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288294.7U CN220040132U (en) | 2023-02-22 | 2023-02-22 | Building material incombustibility test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040132U true CN220040132U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320288294.7U Active CN220040132U (en) | 2023-02-22 | 2023-02-22 | Building material incombustibility test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040132U (en) |
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2023
- 2023-02-22 CN CN202320288294.7U patent/CN220040132U/en active Active
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