CN209945949U - Automatic PM2.5 concentration detection equipment that adjusts temperature - Google Patents
Automatic PM2.5 concentration detection equipment that adjusts temperature Download PDFInfo
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- CN209945949U CN209945949U CN201920735027.3U CN201920735027U CN209945949U CN 209945949 U CN209945949 U CN 209945949U CN 201920735027 U CN201920735027 U CN 201920735027U CN 209945949 U CN209945949 U CN 209945949U
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 239000004065 semiconductor Substances 0.000 claims abstract description 50
- 238000005057 refrigeration Methods 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000003750 conditioning effect Effects 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000005679 Peltier effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an automatic PM2.5 concentration detection equipment that adjusts temperature belongs to the test and measures field. This automatic PM2.5 concentration detection equipment that adjusts temperature, including sealed box and the dust detector who is located the box, its characterized in that, be equipped with control module in the box, with the semiconductor refrigeration piece that the control module output electricity is connected and with the temperature sensor that the control module input electricity is connected, the semiconductor refrigeration piece can feed back the temperature in the data conditioning box in the control module through temperature sensor. The utility model has the advantages of enable detection device and keep working at normal temperature to reach increase of service life.
Description
Technical Field
The utility model belongs to the test measurement field relates to an automatic PM2.5 concentration detection equipment that adjusts temperature.
Background
More PM2.5 particulate matter mass concentration detecting instrument has appeared in the market at present, and the general operating temperature of most dust detection appearance is at 0 ℃ to 50 ℃, and the operating temperature scope is narrower, can't use in the region of a lot of extreme temperature, if do not control the environment of check out test set, uses the precision damage that exposes and can cause equipment in the abnormal temperature environment for a short time, uses for a long time and can lead to equipment to damage. The general temperature control equipment uses the electric heating rod during heating, needs to use a refrigeration compressor during refrigeration, not only has more power consumption, large volume and heavy weight, but also needs to be equipped with a high-power supply in real time to provide energy, and the convenience of the handheld dust detector cannot meet the requirement by using the method.
Disclosure of Invention
The utility model aims at having above-mentioned problem to current technique, provided a PM2.5 concentration detection equipment of automatic temperature adjustment, the utility model provides a technical problem how make detection device keep working at normal temperature.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an automatic PM2.5 concentration detection equipment that adjusts temperature, includes sealed box and the dust detector who is located the box, its characterized in that, be equipped with control module in the box, with the semiconductor refrigeration piece that the control module output electricity is connected and with the temperature sensor that the control module input electricity is connected, the semiconductor refrigeration piece can feed back the temperature in the data conditioning box in the control module through temperature sensor.
The semiconductor refrigeration piece and the control module are integrated and are common products in the market, and are the prior art, the description of the prior art is omitted, the semiconductor refrigeration piece can utilize the Peltier effect of semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, and the purposes of refrigeration and heating can be realized; and the control module connected with the semiconductor refrigerating piece can receive the temperature detected by the temperature sensor to control the current passing through the semiconductor refrigerating piece so as to control the heating capacity of the semiconductor refrigerating piece.
In the above automatic temperature-adjusting PM2.5 concentration detection device, the semiconductor refrigeration pieces are two and fixed respectively on two opposite sides in the box body, the temperature sensor is fixed at the bottom of the top surface of the box body, and the two semiconductor refrigeration pieces are connected with the temperature sensor. The two semiconductor refrigerating pieces can receive the temperature detected by the temperature sensor so as to control the current passing through the semiconductor material in the semiconductor refrigerating pieces, thereby controlling the temperature of the semiconductor.
In foretell PM2.5 concentration detection equipment of automatically regulated temperature, the heat insulating layer has been laid in the box, the mouth of placing has been seted up to relative both sides on the heat insulating layer, two the semiconductor refrigeration piece imbeds respectively in the corresponding mouth of placing, the one end of semiconductor refrigeration piece is supported and is leaned on the box inner wall, the other end of semiconductor refrigeration piece is placed mouthful outstanding setting relatively. The change can make the semiconductor refrigeration piece refrigerate or heat towards the one end in the box through the current direction in the semiconductor refrigeration piece, and the temperature of box inside and external can be kept apart to a certain extent on the heat insulating layer to the temperature in the assurance box can not receive the influence of external and semiconductor refrigeration piece towards the outer one end of box, and guarantees that the components and parts in the box can normally work.
In the above automatic temperature-adjusting PM2.5 concentration detection device, fans are disposed at positions of the outer walls of the two sides of the box body opposite to the placing port. The fan can accelerate the temperature of dispelling the semiconductor refrigeration piece and passing through the box conduction to the stability of temperature in the assurance box.
In the above automatic temperature-adjusting PM2.5 concentration detection apparatus, the dust detector is fixed at the middle position in the box body, the detection tube is inserted in the box body, one end of the detection tube passes through the top of the box body, and the other end of the detection tube is communicated with the detection port of the dust detector. Above-mentioned structure can guarantee that dust detector does not receive ambient temperature to influence, places dust detector moreover and can also make being heated or being cooled that dust detector can be even at two semiconductor refrigeration pieces to guarantee that dust detector can increase of service life.
In the PM2.5 concentration detection equipment capable of automatically adjusting the temperature, one side of the dust detector is electrically connected with a data communication module, the top of the box body is provided with a digital display screen, and the data communication module is in serial communication with the digital display screen. The structure can better display the data detected by the dust detector through the digital display screen.
In the automatic temperature-adjusting PM2.5 concentration detection equipment, a power module is arranged on the outer side face of the box body, and the power module is electrically connected with the semiconductor refrigeration piece, the digital display screen, the temperature sensor, the data communication module and the dust detector respectively. The power supply module can be placed outside the box body, so that the heat of the power supply module can be prevented from influencing the working temperature of the dust detector in the box body; the power module can also provide direct current for the components and enables the components to operate.
Compared with the prior art, the PM2.5 concentration detection equipment capable of automatically adjusting the temperature has the advantages that the detection device can be kept working at the normal temperature, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view in cross section in front view of the present temperature-automatically-regulated PM2.5 concentration detection apparatus.
Fig. 2 is a connection relationship diagram between components of the automatic temperature-adjusting PM2.5 concentration detection apparatus.
In the figure, 1, a box body; 10. a thermal insulation layer; 2. a semiconductor refrigeration sheet; 3. a temperature sensor; 4. a data communication module; 5. a power supply module; 6. a digital display screen; 7. a detection tube; 8. a dust detector; 80. a detection port; 9. a fan.
Detailed Description
The specific embodiments described herein are merely illustrative of the spirit of the invention.
As shown in fig. 1 and 2, the automatic temperature-adjusting PM2.5 concentration detection device includes a sealed box 1 and a dust detector 8 located in the box 1, a control module is arranged in the box 1, a semiconductor refrigeration piece 2 electrically connected with an output end of the control module and a temperature sensor 3 electrically connected with an input end of the control module, a power module 5 is arranged on an outer side surface of the box 1, the power module 5 is respectively connected with the semiconductor refrigeration piece 2, a digital display screen 6, the temperature sensor 3, a data communication module 4, a fan 9 and the dust detector 8, and the semiconductor refrigeration piece 2 can feed back the temperature in the data adjusting box 1 in the control module through the temperature sensor 3.
As shown in fig. 1 and 2, semiconductor refrigeration piece 2 has two and fixes respectively in box 1 relative both sides, temperature sensor 3 fixes the bottom at the top surface of box 1, two semiconductor refrigeration pieces 2 all are connected with temperature sensor 3, laid thermal-insulated layer 10 in the box 1, the mouth of placing has been seted up to relative both sides on thermal-insulated layer 10, two semiconductor refrigeration pieces 2 imbed respectively in corresponding placing the mouth, the one end of semiconductor refrigeration piece 2 supports and leans on at the box 1 inner wall, the other end of semiconductor refrigeration piece 2 is placed mouthful outstanding setting relatively, box both sides outer wall is equipped with fan 9 with the relative position of placing the mouth.
As shown in fig. 1 and 2, the middle position of dust detector 8 in box 1 is fixed, and alternate on box 1 has test tube 7, and the top of box 1 is passed to the one end of test tube 7, and the other end of test tube 7 communicates with dust detector 8's detection mouth 80, and one side electricity of dust detector 8 is connected with data communication module 4, and the top of box 1 is equipped with digital display screen 6, carries out serial communication between data communication module 4 and the digital display screen 6.
The semiconductor refrigerating sheet 2 and the control module are integrated and are common products in the market, and are the prior art, and the description thereof is omitted, the semiconductor refrigerating sheet 2 can utilize the Peltier effect of semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, and the purposes of refrigeration and heating can be realized; and the control module connected with the semiconductor refrigerating piece 2 can receive the temperature detected by the temperature sensor 3 to control the current passing through the semiconductor refrigerating piece 2, so as to control the temperature-making amount of the semiconductor refrigerating piece 2.
Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides an automatic PM2.5 concentration detection equipment that adjusts temperature, includes sealed box (1) and dust detector (8) that are located box (1), its characterized in that, be equipped with control module in box (1), semiconductor refrigeration piece (2) and temperature sensor (3) of being connected with the control module input electricity that are connected with control module output electricity, semiconductor refrigeration piece (2) can feed back the temperature in the data conditioning box (1) in the control module through temperature sensor (3).
2. The temperature-automatically-adjusting PM2.5 concentration detection device according to claim 1, wherein two semiconductor chilling plates (2) are respectively fixed at two opposite sides in the box body (1), the temperature sensor (3) is fixed at the bottom of the top surface of the box body (1), and the two semiconductor chilling plates (2) are both connected with the temperature sensor (3).
3. The PM2.5 concentration detection device capable of automatically adjusting the temperature according to claim 2, wherein a heat insulation layer (10) is laid in the box body (1), placing openings are formed in two opposite sides of the heat insulation layer (10), the two semiconductor refrigeration pieces (2) are respectively embedded into the corresponding placing openings, one ends of the semiconductor refrigeration pieces (2) abut against the inner wall of the box body (1), and the other ends of the semiconductor refrigeration pieces (2) are arranged in a protruding mode relative to the placing openings.
4. The PM2.5 concentration detecting apparatus of claim 3, wherein a fan (9) is provided at a position opposite to the placing port on the outer wall of both sides of the case.
5. The automatic temperature-adjusting PM2.5 concentration detection device according to claim 1, wherein the dust detector (8) is fixed at a middle position in the box body (1), a detection pipe (7) is inserted on the box body (1), one end of the detection pipe (7) penetrates through the top of the box body (1), and the other end of the detection pipe (7) is communicated with a detection port (80) of the dust detector (8).
6. The PM2.5 concentration detection equipment capable of automatically adjusting the temperature according to claim 5, wherein one side of the dust detector (8) is electrically connected with a data communication module (4), a digital display screen (6) is arranged at the top of the box body (1), and the data communication module (4) is in serial communication with the digital display screen (6).
7. The PM2.5 concentration detection equipment capable of automatically adjusting the temperature according to claim 4, wherein a power module (5) is arranged on the outer side face of the box body (1), and the power module (5) is electrically connected with the semiconductor refrigeration piece (2), the digital display screen (6), the temperature sensor (3), the data communication module (4), the fan (9) and the dust detector (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735027.3U CN209945949U (en) | 2019-05-22 | 2019-05-22 | Automatic PM2.5 concentration detection equipment that adjusts temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735027.3U CN209945949U (en) | 2019-05-22 | 2019-05-22 | Automatic PM2.5 concentration detection equipment that adjusts temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209945949U true CN209945949U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735027.3U Active CN209945949U (en) | 2019-05-22 | 2019-05-22 | Automatic PM2.5 concentration detection equipment that adjusts temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209945949U (en) |
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2019
- 2019-05-22 CN CN201920735027.3U patent/CN209945949U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220511 Address after: 318020 No. 128 Xinjiang Road, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Xinli automotive electronics (Taizhou) Co.,Ltd. Address before: 318020 No. 128 Xinjiang Road, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Patentee before: SAILING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 2298, Central Avenue, the Taihu Lake Street, Changxing County, Huzhou City, Zhejiang Province, 313100 Patentee after: Xinli Automotive Electronics (Zhejiang) Co.,Ltd. Country or region after: China Address before: 318020 No. 128 Xinjiang Road, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Patentee before: Xinli automotive electronics (Taizhou) Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |