Testing device based on pyrolysis particle detector and control circuit

Abstract

The utility model relates to a test device and control circuit based on pyrolysis particle detector, including a plurality of installation guide rails, pyrolysis particle detector, equipment cabinet and heating table, the heating table is installed in the equipment cabinet, the plurality of installation guide rails are installed in the equipment cabinet, the pyrolysis particle detector is installed on any one installation guide rail, and the pyrolysis particle detector is installed on the other installation guide rail. The device further comprises a plurality of sealing partition plates with sealing rubber pads, the sealing partition plates with the sealing rubber pads are installed in the cabinet, the circuit comprises a main MCU controller and a Bluetooth communication module, and the main MCU controller is in communication connection with the pyrolysis particle detector and the Bluetooth communication module. By arranging the mounting guide rails and the sealing partition plates, the pyrolysis particle detector can be automatically mounted on any mounting guide rail according to a position to be detected, and meanwhile, the sealing partition plates can be automatically added according to conditions to form different detection spaces, so that the test scheme is more comprehensive, and covered power distribution cabinets are wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to pyrolytic particle detector technical field especially is involved in a kind of test device and control circuit based on pyrolytic particle detector. BACKGROUND

[0002] Pyrolytic particle type electrical fire monitoring detector (hereinafter referred to as detector) is the device for monitoring fire by detecting pyrolytic particles.When electrical equipment or cable abnormally heats, the detector can monitor the concentration of particles and gas generated by overheating decomposition of equipment, effectively make identification and send alarm signal, realize early fire alarm.

[0003] Normal application scenario is that a power distribution room has multiple power distribution cabinets of different specifications, and usually pyrolytic particle detector is uploaded to monitoring host through two bus or 485, first, 485 is communicated through polling mode, and the baud rate of two bus is at most 2400, so the host can only parse or monitor the current value of multiple detector alarms, and the particle change in multiple distribution boxes in a power distribution room cannot be directly observed, and the communication of 4G is directly uploaded to cloud, and many data cannot guarantee real-time. Secondly, the test device is relatively single, and cannot simulate different positions of different types of volume distribution boxes.

[0004] The utility model patent with publication number CN217846141U discloses pyrolytic particle detector test device, relates to the technical field of test equipment, and it includes test barrel and control box, control box is arranged on the lateral wall of test barrel, and pyrolytic particle detector is arranged in test box; heater, temperature measuring device and circulating device are arranged in test barrel; the heater is arranged on the bottom side of test barrel; the heater receives the first signal output by control box and starts heating; the temperature measuring device is arranged on one side of the heater; the temperature measuring device receives the second signal output by control box and outputs temperature signal; the circulating device is arranged on the top side of test barrel; the circulating device receives the third signal output by control box and operates; the control box includes timing device and arithmetic device; the timing device outputs timing signal; the arithmetic device is connected to the timing device and temperature measuring device; the arithmetic device calculates and outputs heating rate according to set formula; the patent is convenient for controlling test time and test temperature effect, but the position of pyrolytic particle detector cannot be changed, and lacks the function of actively reporting data.

[0005] Therefore, it is currently necessary to provide a device and circuit that can change the position of pyrolytic particle detector and can report data in real time. UTILITY MODEL CONTENT

[0006] The utility model discloses a test device and control circuit based on pyrolytic particle detector to overcome the defects of the prior art.

[0007] The purpose of the utility model can be realized through the following technical solutions:

[0008] According to one aspect of the utility model, a kind of test device based on pyrolytic particle detector is provided, including multiple installation guide rails, pyrolytic particle detector, cabinet and heating table, the heating table is installed in cabinet, the multiple installation guide rails are installed in cabinet, the pyrolytic particle detector is installed on any installation guide rail, the device further include multiple sealed bulkheads with sealing gasket, the multiple sealed bulkheads with sealing gasket are installed in cabinet.

[0009] As preferred technical solutions, the device further includes multiple first installation slot and second installation slot, the multiple first installation slot and second installation slot are installed in cabinet, the installation guide rail is installed in first installation slot, and the sealed bulkhead with sealing gasket is installed in second installation slot.

[0010] As preferred technical solutions, the first installation slot and second installation slot are arranged at intervals.

[0011] As preferred technical solutions, the second installation slot is installed in the middle of adjacent first installation slot.

[0012] As preferred technical solutions, the device further includes exhaust fan, and the exhaust fan is installed at the top of cabinet.

[0013] As preferred technical solutions, the device further includes exhaust fan cover, and the exhaust fan cover is installed on exhaust fan.

[0014] As preferred technical solutions, the device further includes air outlet sealing cover, and the air outlet sealing cover is installed at the bottom of cabinet.

[0015] As preferred technical solutions, the sealing gasket is installed around the sealed bulkhead.

[0016] According to another aspect of the utility model, a kind of control circuit of test device based on pyrolytic particle detector as any described above is provided, and the circuit includes main MCU controller and bluetooth communication module, and the main MCU controller is connected with pyrolytic particle detector and bluetooth communication module communication respectively.

[0017] As preferred technical solutions, the bluetooth communication module includes bluetooth chip and antenna interface, and the bluetooth chip is connected with antenna interface.

[0018] Compared with prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model discloses a mounting guide rail and sealing partition plate are set up, and pyrolysis particle detector can be installed on any one mounting guide rail according to the position to be detected, and sealing partition plate can be added according to the situation, forms different detection space, and the test scheme is more comprehensive, and the distribution cabinet covered is more extensive, and the position of installation is more definite in different height test.

[0020] 2. The utility model discloses a sealing gasket is arranged on the four sides of sealing partition plate, so that the sealing effect is better, and the detection result is more accurate.

[0021] 3. The utility model discloses a bluetooth communication module is added, compared with traditional communication mode, uses bluetooth communication, and the communication speed is faster, and the active reporting mode is used between detector and host computer, and the real -time is higher, reaches the requirement of waveform real -time display.

[0022] 4. The utility model discloses a bluetooth communication, reduces the communication wiring, thereby avoid the risk of electrical fire that wiring brings. DRAWINGS

[0023] Figure 1 It is the whole structure schematic diagram of the test device of the utility model;

[0024] Figure 2 It is the structure schematic diagram of the sealing partition plate of the utility model;

[0025] Figure 3 It is the distribution room configuration schematic diagram of the utility model;

[0026] Figure 4 It is the main MCU controller connection schematic diagram of the utility model;

[0027] Figure 5 It is the bluetooth connection schematic diagram of the utility model.

[0028] 1. Mounting guide rail;2. Pyrolysis particle detector;3. Cabinet;4. Sealing partition plate;5. Air outlet sealing cover;6. Heating station;7. Sealing gasket;8. Exhaust fan. SPECIFIC EMBODIMENTS

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0030] The pyrolysis particle type electrical fire monitoring detector (hereinafter referred to as the detector) is a device for monitoring fire by detecting pyrolysis particles. When an electrical equipment or cable abnormally heats, the detector can monitor the concentration of particles and gas generated by overheating decomposition of the equipment, effectively identify and issue an alarm signal, and realize early fire alarm.

[0031] At present, the pyrolysis particle detector on the market collects small particles, temperature and voc gas, then identifies pyrolysis particles, and then uploads to the host through the two bus or 485 mode or uploads to the cloud through the 4G mode. The test device provides a relatively closed space, and then generates pyrolysis particles by heating the PVC insulation skin. However, the test is relatively single, only heating or different heating curves are tested, so as to test the pyrolysis particle detector.

[0032] Normal application scenarios are that a power distribution room has multiple power distribution cabinets of different specifications, and the pyrolysis particle detector is usually uploaded to the monitoring host through the two bus or 485. First, 485 is communicated through polling, and the baud rate of the two bus is at most 2400, so the host can only parse or monitor the current value of the alarm of multiple detectors, and cannot directly observe the particle change in multiple power distribution cabinets in a power distribution room. The 4G communication is directly uploaded to the cloud, and many data cannot guarantee real-time. Secondly, the test device is relatively single, and cannot simulate different types of volume of power distribution cabinets and different positions of installation.

[0033] The utility model provides a test device and control circuit based on pyrolysis particle detector, the utility model discloses a mounting guide rail and sealing partition are set up, and pyrolysis particle detector can be installed on any one mounting guide rail according to the position to be detected, and the sealing partition can be added according to the situation, forming different detection spaces, and the test scheme is more comprehensive, and the power distribution cabinet covered is more extensive, and the position of installation is more definite by testing at different heights. The utility model discloses setting sealing rubber pad around the sealing partition, so that the sealing effect is better, and the detection result is more accurate. The utility model discloses adding a bluetooth communication module, compared with the traditional communication mode, using bluetooth communication, the communication speed is faster, and the detector and the host adopt the active reporting mode between them, the real-time performance is higher, and the requirement of waveform real -time display is reached. The utility model discloses bluetooth communication, reduces the communication wiring, thereby avoiding the risk of electrical fire caused by wiring.

[0034] Embodiment 1

[0035] As Figure 1As shown, a testing device based on a pyrolytic particle detector includes multiple mounting rails 1, a pyrolytic particle detector 2, a cabinet 3 and a heating table 6, wherein the heating table 6 is installed in the cabinet 3, the multiple mounting rails 1 are installed in the cabinet 3, the pyrolytic particle detector 2 is installed on any mounting rail 1, and the device also includes multiple sealing partitions 4 with sealing gaskets 7, and the multiple sealing partitions 4 with sealing gaskets 7 are installed in the cabinet 3.

[0036] In this embodiment, the present invention includes seven mounting rails 1, seven sealing baffles 4 with sealing gaskets 7, and a pyrolytic particle detector 2. During operation, the heating platform 6 heats the object to be tested, generating pyrolytic particles that are detected by the pyrolytic particle detector 2. The mounting rails 1 and the sealing baffles 4 with sealing gaskets 7 are sequentially installed on the cabinet 3. The pyrolytic particle detector 2 can be installed on different mounting rails 1 or at different positions on the same mounting rail 1 to adjust the position of the pyrolytic particle detector 2. The test space can be adjusted by adjusting the number of sealing baffles 4 with sealing gaskets 7 installed.

[0037] The device also includes multiple first mounting slots and second mounting slots, which are installed in the cabinet 3, the mounting rail 1 is installed in the first mounting slot, and the sealing partition 4 with the sealing gasket 7 is installed in the second mounting slot.

[0038] The first mounting slot and the second mounting slot are spaced apart. The second mounting slot is installed between adjacent first mounting slots. The spacing arrangement can achieve multi-level adjustment.

[0039] The device further comprises an exhaust fan 8 , which is mounted on the top of the cabinet 3 .

[0040] The device further comprises an exhaust fan cover 9 , which is mounted on the exhaust fan 8 .

[0041] The device also includes an air outlet sealing cover 5, which is installed at the bottom of the cabinet 3. After the test is completed, the device is ventilated through the exhaust fan 8, the exhaust fan cover 9 and the air outlet sealing cover 5 to facilitate the next test.

[0042] like Figure 2 As shown, the sealing rubber pad 7 is installed around the sealing partition 4.

[0043] Configuration of multiple distribution cabinets and electrical fire monitoring hosts, such as Figure 3 shown.

[0044] like Figure 4 、 Figure 5As shown, a control circuit of a test device based on a pyrolytic particle detector, the circuit comprises a main MCU controller and a Bluetooth communication module, the main MCU controller is respectively connected with the pyrolytic particle detector 2 and the Bluetooth communication module.

[0045] The Bluetooth communication module comprises a Bluetooth chip and an antenna interface, and the Bluetooth chip is connected with the antenna interface.

[0046] In the embodiment, the Bluetooth chip comprises TX and RX, the main MCU controller and the Bluetooth chip are connected through TX and RX, communication is realized through a serial port and the Bluetooth communication module, then a broadcast custom communication byte is set for the Bluetooth module, the broadcast custom communication byte comprises particle count number and NTC resistance temperature reading and voc reading, then interval time is set as 100 ms to send a broadcast once, so that data is actively reported quickly.

[0047] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of claims.

Claims

1. A test device based on a pyrolysis particle detector, comprising a plurality of mounting rails (1), a pyrolysis particle detector (2), a cabinet (3) and a heating table (6), wherein the heating table (6) is installed in the cabinet (3), characterized in that: The plurality of mounting rails (1) are installed in a cabinet (3), the pyrolysis particle detector (2) is installed on any of the mounting rails (1), and the device further comprises a plurality of sealing partitions (4) with sealing gaskets (7), and the plurality of sealing partitions (4) with sealing gaskets (7) are installed in the cabinet (3).

2. A testing device based on a pyrolysis particle detector according to claim 1, characterized in that: The device further comprises a plurality of first mounting slots and a second mounting slot, wherein the plurality of first mounting slots and the second mounting slots are mounted in the cabinet (3), the mounting rail (1) is mounted in the first mounting slot, and the sealing partition (4) with the sealing gasket (7) is mounted in the second mounting slot.

3. A testing device based on a pyrolysis particle detector according to claim 2, characterized in that: The first mounting groove and the second mounting groove are spaced apart.

4. A testing device based on a pyrolysis particle detector according to claim 3, characterized in that: The second installation slot is installed between adjacent first installation slots.

5. The testing device based on pyrolysis particle detector according to claim 1, characterized in that: The device further comprises an exhaust fan (8), which is installed on the top of the cabinet (3).

6. The testing device based on pyrolysis particle detector according to claim 5, characterized in that: The device further comprises an exhaust fan cover (9), which is mounted on the exhaust fan (8).

7. The testing device based on pyrolysis particle detector according to claim 1, characterized in that: The device further comprises an air outlet sealing cover (5), and the air outlet sealing cover (5) is installed at the bottom of the cabinet (3).

8. The testing device based on pyrolysis particle detector according to claim 1, characterized in that: The sealing rubber pad (7) is installed around the sealing partition (4).

9. A control circuit for a test device based on a pyrolysis particle detector according to any one of claims 1 to 8, characterized in that: The circuit comprises a main MCU controller and a Bluetooth communication module, and the main MCU controller is communicatively connected to the pyrolysis particle detector (2) and the Bluetooth communication module respectively.

10. The control circuit of the testing device based on the pyrolysis particle detector according to claim 9, characterized in that: The Bluetooth communication module includes a Bluetooth chip and an antenna interface, and the Bluetooth chip and the antenna interface are connected.

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