CN210953821U - Indoor formaldehyde short-term test appearance - Google Patents
Indoor formaldehyde short-term test appearance Download PDFInfo
- Publication number
- CN210953821U CN210953821U CN201920724441.4U CN201920724441U CN210953821U CN 210953821 U CN210953821 U CN 210953821U CN 201920724441 U CN201920724441 U CN 201920724441U CN 210953821 U CN210953821 U CN 210953821U
- Authority
- CN
- China
- Prior art keywords
- phenol
- kit
- handle
- air
- indoor formaldehyde
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to an indoor formaldehyde short-term test appearance, including connecting the phenol kit on the handle, connect intake pipe and the outlet duct that communicates with phenol kit on the handle, connect the air pump in the intake pipe, all be connected with the solenoid valve on intake pipe and the outlet duct, the box wall of phenol kit is by inner wall and outer wall vacuole formation structure, the cavity in-connection has electric heating coil, the handle in-connection has the battery of being connected with electric heating coil electricity, be connected with temperature sensor in the phenol kit, be connected with the temperature display screen of being connected with the temperature sensor electricity on the handle. The detector realizes the control of temperature in the detection process, so that the detection result is more accurate, and the harm to the body health of a resident is avoided.
Description
Technical Field
The utility model relates to a formaldehyde detects technical field, concretely relates to indoor formaldehyde short-term test appearance.
Background
With the continuous improvement of living standard of people, the requirement for air is higher and higher, however, house decoration and house replacement are more and more common, and as a plurality of adhesives, coatings and paints all contain formaldehyde, pollution gas mainly containing formaldehyde can be volatilized, and harm is caused to human bodies. Among them, formaldehyde has been identified as carcinogenic and teratogenic substances by the world health organization, and chronic respiratory diseases, pregnancy syndromes, leukemia and other diseases can be caused by long-term exposure to formaldehyde, and chromosome abnormality and memory impairment of adolescents, mental retardation and the like can also be caused.
The existing indoor formaldehyde detector usually determines the content of indoor formaldehyde by introducing indoor air into a phenol reagent, observing the color change of the phenol reagent, and then comparing the color change with a color comparison card.
However, the temperature of the phenol reagent needs to be controlled within the range of 20-35 ℃ in the using process to enable the phenol reagent to be better developed, the detection is more accurate, the temperature of the phenol reagent is not controlled by the existing indoor formaldehyde detector generally, the detection result is inaccurate, and under the condition that a large amount of formaldehyde is still contained indoors, residents are directly moved into the room to live, and the health of the residents is seriously damaged.
SUMMERY OF THE UTILITY MODEL
To current formaldehyde detector have in the use be not convenient for control the result that leads to detecting inaccurate to the temperature, cause the problem that causes the injury to resident's healthy, this application has provided an indoor formaldehyde short-term test appearance, and this detector has realized the control to the temperature in the testing process, makes the more accurate of result that detects, avoids causing the injury to resident's healthy.
In order to realize the above-mentioned purpose, the utility model provides an indoor formaldehyde short-term test appearance, including connect phenol kit on the handle, connect on the handle with intake pipe and the outlet duct of phenol kit intercommunication, connect the air pump in the intake pipe, all be connected with the solenoid valve on intake pipe and the outlet duct, the box wall of phenol kit is by inner wall and outer wall vacuole formation structure, the cavity in-connection has electric heating coil, the handle in-connection have with the battery that electric heating coil electricity is connected, phenol kit in-connection has temperature sensor, be connected with on the handle with the temperature display screen that temperature sensor electricity is connected.
The working principle and the process of the technical scheme are as follows: when the indoor formaldehyde rapid detector in the application is used, the detector is placed in a room to be detected, a detector holds a handle on the detector, a control switch for controlling an electric heating coil is turned on to enable the electric heating coil to generate heat, phenol reagent in a phenol reagent kit is heated and heated, the temperature of the phenol reagent is sensed through a temperature sensor in the phenol reagent kit, the temperature sensor transmits a sensed temperature signal to a temperature display screen connected to the handle, when the temperature displayed on the temperature display screen is within the range of 20-35 ℃, the detector controls the switch of an air pump and simultaneously turns on an electromagnetic valve to turn on the air pump, air in the room is sucked into an air inlet pipe through the air pump and enters the phenol reagent kit through the air inlet pipe to be in contact reaction with the phenol reagent in the phenol reagent kit, if the phenol reagent turns to be purple red, the air is proved to contain formaldehyde, if the fruit phenol reagent is not changed into mauve, namely, the surface air has no formaldehyde, the resident can live in the box with ease, the air entering the phenol reagent box is discharged through the air outlet pipe, and the air pump and the electromagnetic valve are closed after the detection is finished. Wherein the length of the handle is set according to specific requirements.
Compare with traditional indoor formaldehyde short-term test appearance, indoor formaldehyde short-term test appearance in this application is through setting up the mechanism of control phenol reagent temperature, detect phenol reagent adjustment in the temperature range of best detection, can make the more accuracy of result that detects, it does not change colour to avoid causing phenol reagent when detecting at low temperature, it has not had formaldehyde in the indoor air to make the person of detection mistake consider completely, this application is convenient operation in the testing process simultaneously, high durability and convenient use, the speed of detection is very fast.
Furthermore, the phenol kit is connected with the handle through a detachable connecting piece. This application is through using the phenol kit can dismantle the connecting piece and be connected with the handle when, is convenient for change the phenol reagent in the phenol kit promptly, all changes into new phenol reagent when examining at every turn, can further improve the accuracy nature that detects.
Furthermore, the detachable connecting piece comprises an external thread arranged on the handle and a thread groove arranged on the inner wall of the phenol kit and screwed by matching with the external thread. This application is when changing the phenol reagent in the phenol reagent box, through rotatory handle, can unpack handle and phenol reagent box apart, then changes the phenol reagent in the phenol reagent box, easy operation, it is convenient to change.
Furthermore, the air inlet pipe is connected with a filter screen for filtering impurities in the air. This application is through connecting the filter screen that is arranged in filtered air impurity in the intake pipe, can filter the impurity in the air before the air enters into phenol reagent box, avoids still having the impurity in the inspiratory air in the testing process and causes the influence to the result that detects, has further improved the accuracy of testing result.
Furthermore, the air inlet of the air inlet pipe and the air outlet of the air outlet pipe are both movably connected with end covers. This application is through the equal swing joint end cover in the air inlet of intake pipe and the gas outlet department of outlet duct, can seal intake pipe and outlet duct when not using, avoids inside impurity in placing the in-process air enters into the detector through intake pipe and outlet duct, causes the pollution to the detector, causes the influence to next detection effect.
Further, a liquid level sensor is connected in the phenol kit, a liquid level display screen is connected on the handle, and a gas flowmeter is connected on the gas inlet pipe. Wherein be connected with on the handle with the PLC controller that level sensor and the equal electricity of liquid level display screen are connected, this application is through connecting the liquid level sensing screen in the phenol reagent box, through the liquid level condition in the phenol reagent box of level sensor perception, with the fertile PLC controller of signal transmission of perception, the PLC controller is again with signal transmission for the liquid level display screen of connection on the handle, remaining phenol reagent in the phenol reagent box is judged according to the liquid level display condition on the liquid level display screen to the staff, then adjust the gas flowmeter who connects in the intake pipe again, set up the gas flow value that corresponds, can control gaseous entering volume, the accuracy nature of testing result has further been improved.
Furthermore, the end part of the air inlet pipe extending into the phenol reagent box is connected with a transverse pipe communicated with the air inlet pipe, and the transverse pipe is provided with a plurality of air outlet holes. This application is through connecting violently pipe in the intake pipe, sets up a plurality of ventholes simultaneously on violently managing, can make inspiratory air discharge from the venthole, through setting up a plurality of ventholes, can make the air of entering fully contact with the phenol reagent in the phenol reagent box rapidly, has further improved the speed that detects.
Furthermore, the inner wall of the phenol kit is made of a heat conduction material, and the outer wall of the phenol kit is made of a heat preservation and insulation material. This application is through adopting the heat conduction material preparation with phenol kit inner wall, and the outer wall adopts the heat preservation thermal insulation material preparation, can make the quick transmission of heat that electric heating coil produced in the phenol reagent of phenol kit inside, and the temperature that makes phenol reagent that can be quick risees to the optimal detection range, has further improved the speed of detection.
Furthermore, the phenol kit is made of transparent materials, and a color comparison card is bonded on the handle. This application is through adopting the transparent material preparation with the phenol kit, bonds the colour comparison card simultaneously on the handle, can make the colour of the phenol reagent after detecting direct contrast with the colour comparison card, corresponds the content of judging formaldehyde in the air according to the colour, the later stage of being convenient for is to the processing of formaldehyde in the air.
To sum up, the utility model discloses compare in prior art's beneficial effect and be:
(1) indoor formaldehyde short-term test appearance in this application is through setting up the mechanism of control phenol reagent temperature, detects phenol reagent adjustment in the temperature range that best detected, can make the more accurate of result that detects, avoids causing phenol reagent not to change color when detecting at low temperature, makes the person of examining think in indoor air totally not have formaldehyde by mistake, this application is convenient operation in the testing process simultaneously, and is simple to use, and the speed of detection is very fast.
(2) This application is through using the phenol kit can dismantle the connecting piece and be connected with the handle when, is convenient for change the phenol reagent in the phenol kit promptly, all changes into new phenol reagent when examining at every turn, can further improve the accuracy nature that detects.
(3) This application is when changing the phenol reagent in the phenol reagent box, through rotatory handle, can unpack handle and phenol reagent box apart, then changes the phenol reagent in the phenol reagent box, easy operation, it is convenient to change.
(4) This application is through connecting the filter screen that is arranged in filtered air impurity in the intake pipe, can filter the impurity in the air before the air enters into phenol reagent box, avoids still having the impurity in the inspiratory air in the testing process and causes the influence to the result that detects, has further improved the accuracy of testing result.
(5) This application is through the equal swing joint end cover in the air inlet of intake pipe and the gas outlet department of outlet duct, can seal intake pipe and outlet duct when not using, avoids inside impurity in placing the in-process air enters into the detector through intake pipe and outlet duct, causes the pollution to the detector, causes the influence to next detection effect.
(6) This application is through connecting level sensor in the phenol reagent box, through the liquid level condition in the phenol reagent box of level sensor perception, with the fertile PLC controller of signal transmission of perception, the PLC controller is with signal transmission again for the liquid level display who connects on the handle, remaining phenol reagent in the staff determines the phenol reagent box according to the liquid level demonstration condition on the liquid level display, then the gas flowmeter of regulation connection in the intake pipe, set up the gas flow value that corresponds, can control gaseous entering volume, the accuracy nature of testing result has further been improved.
(7) This application is through connecting violently pipe in the intake pipe, sets up a plurality of ventholes simultaneously on violently managing, can make inspiratory air discharge from the venthole, through setting up a plurality of ventholes, can make the air of entering fully contact with the phenol reagent in the phenol reagent box rapidly, has further improved the speed that detects.
(8) This application is through adopting the heat conduction material preparation with phenol kit inner wall, and the outer wall adopts the heat preservation thermal insulation material preparation, can make the quick transmission of heat that electric heating coil produced in the phenol reagent of phenol kit inside, and the temperature that makes phenol reagent that can be quick risees to the optimal detection range, has further improved the speed of detection.
(9) This application is through adopting the transparent material preparation with the phenol kit, bonds the colour comparison card simultaneously on the handle, can make the colour of the phenol reagent after detecting direct contrast with the colour comparison card, corresponds the content of judging formaldehyde in the air according to the colour, the later stage of being convenient for is to the processing of formaldehyde in the air.
Drawings
Fig. 1 is the utility model discloses in an indoor formaldehyde short-term test appearance's structural schematic.
Labeled as: 1-electric heating coil, 2-outer wall, 3-inner wall, 4-phenol kit, 5-temperature display screen, 6-liquid level display screen, 7-air inlet pipe, 8-gas flowmeter, 9-air pump, 10-filter screen, 11-end cover, 12-air outlet pipe, 13-handle, 14-colorimetric card, 15-liquid level sensor, 16-horizontal pipe, 17-air outlet hole and 18-temperature sensor.
Detailed Description
All features disclosed in this specification may be combined in any combination, except features and/or steps that are mutually exclusive.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to fig. 1 and the specific embodiment.
Example 1
Referring to fig. 1, the utility model provides an indoor formaldehyde short-term test appearance, including connecting phenol kit 4 on handle 13, connect intake pipe 7 and the outlet duct 12 with phenol kit 4 intercommunication on handle 13, connect the air pump 9 on intake pipe 7, all be connected with the solenoid valve on intake pipe 7 and the outlet duct 12, phenol kit 4's box wall is by inner wall 3 and 2 vacuole formation structures of outer wall, the cavity in-connection has electric heating coil 1, the battery of being connected with electric heating coil 1 electricity in the handle 13, 4 in-connection of phenol kit have temperature sensor 18, be connected with the temperature display screen 5 of being connected with temperature sensor 18 electricity on the handle 13.
The working principle and the process of the technical scheme are as follows: when the indoor formaldehyde rapid detector is used, the detector is placed in a room to be detected, a detector holds a handle 13 on the detector, a control switch for controlling an electric heating coil 1 is turned on, the electric heating coil 1 generates heat, phenol reagent in a phenol reagent kit 4 is heated and heated, a temperature sensor 18 in the phenol reagent kit 4 senses the temperature of the phenol reagent, the temperature sensor 18 transmits a sensed temperature signal to a temperature display screen 5 connected to the handle 13, when the temperature displayed on the temperature display screen 5 is within the range of 20-35 ℃, the detector controls the switch of an air pump 9 and simultaneously turns on an electromagnetic valve to turn on the air pump 9, air in the room is sucked into an air inlet pipe 7 through the air pump 9 and enters the phenol reagent kit 4 through the air inlet pipe 7 to be in contact reaction with the phenol reagent in the phenol reagent kit 4, if the phenol reagent turns to mauve, the air is proved to contain formaldehyde, if the phenol reagent does not turn to mauve, the air is discharged through the air outlet pipe 12, and the air pump 9 and the electromagnetic valve are closed after the detection. Wherein the length of the handle 13 is set according to specific needs.
Compare with traditional indoor formaldehyde short-term test appearance, indoor formaldehyde short-term test appearance in this application is through setting up the mechanism of control phenol reagent temperature, detect phenol reagent adjustment in the temperature range of best detection, can make the more accuracy of result that detects, it does not change colour to avoid causing phenol reagent when detecting at low temperature, it has not had formaldehyde in the indoor air to make the person of detection mistake consider completely, this application is convenient operation in the testing process simultaneously, high durability and convenient use, the speed of detection is very fast.
Example 2
Referring to fig. 1, the phenol cartridge 4 of this embodiment is connected to a handle 13 by a detachable connector based on embodiment 1.
This application is through using phenol kit 4 can dismantle the connecting piece and be connected with handle 13 when, is convenient for change phenol reagent in phenol kit 4 promptly, all changes into new phenol reagent when detecting at every turn, can further improve the accuracy nature that detects.
Example 3
Referring to fig. 1, the detachable connector of this embodiment includes an external thread provided on the handle 13, and a thread groove provided on the inner wall 3 of the phenol reagent case 4 and engaged with the external thread.
This application is when changing the phenol reagent in the phenol reagent box 4, through rotatory handle 13, can unpack handle 13 and phenol reagent box 4 apart, then change the phenol reagent in the phenol reagent box 4, easy operation, it is convenient to change.
Example 4
Referring to fig. 1, according to embodiment 1, a filter net 10 for filtering impurities in air is connected to an intake pipe 7 of this embodiment.
This application is through connecting filter screen 10 that is arranged in filtered air impurity on intake pipe 7, can filter the impurity in the air before the air enters into in the phenol kit 4, avoids still having impurity in the inspiratory air in the testing process and causes the influence to the result that detects, has further improved the accuracy of testing result.
Example 5
Referring to fig. 1, based on embodiment 1, an end cover 11 is movably connected to both an air inlet of an air inlet pipe 7 and an air outlet of an air outlet pipe 12 of this embodiment.
This application is through the equal swing joint end cover 11 in the air inlet of intake pipe 7 and the air outlet department of outlet duct 12, can seal intake pipe 7 and outlet duct 12 when not using, avoids inside the impurity in placing the in-process air enters into the detector through intake pipe 7 and outlet duct 12, causes the pollution to the detector, causes the influence to the detection effect next time.
Example 6
Referring to fig. 1, according to embodiment 5, a liquid level sensor 15 is connected to a phenol kit 4 of this embodiment, a liquid level display screen 6 is connected to a handle 13, and a gas flowmeter 8 is connected to an air inlet pipe 7.
Wherein be connected with on the handle 13 with the PLC controller that level sensor 15 and the equal electricity of liquid level display screen 6 are connected, this application is through connecting the liquid level sensing screen in the phenol kit 4, through the liquid level condition in the 15 perception phenol kit 4 of level sensor, with the fertile PLC controller of signal transmission of perception, the PLC controller is again with signal transmission for the liquid level display screen 6 of connection on handle 13, remaining phenol reagent in the staff judges phenol kit 4 according to the liquid level display condition on the liquid level display screen 6, then adjust the gas flowmeter 8 of connection in intake pipe 7 again, set up corresponding gas flow value, can control gaseous entering volume promptly, the accuracy nature of testing result has further been improved.
Example 7
Referring to fig. 1, according to embodiment 1, the end of the air inlet pipe 7 extending into the phenol reagent kit 4 is connected with a horizontal pipe 16 communicated with the air inlet pipe, and the horizontal pipe 16 is provided with a plurality of air outlet holes 17.
This application is through connecting violently pipe 16 on intake pipe 7, sets up a plurality of ventholes 17 on violently pipe 16 simultaneously, can make inspiratory air discharge from venthole 17, through setting up a plurality of ventholes 17, can make the air of entering fully contact with the phenol reagent in the phenol kit 4 rapidly, has further improved the speed that detects.
Example 8
Referring to fig. 1, according to example 1, an inner wall 3 of a phenol kit 4 of this example is made of a heat conductive material, and an outer wall 2 of the phenol kit 4 is made of a heat insulating material.
This application is through adopting the heat conduction material preparation with 4 inner walls of phenol kit 3, and outer wall 2 adopts the heat preservation thermal insulation material preparation, can make the quick transmission of heat that electric heating coil 1 produced in the phenol reagent of 4 inside of phenol kit, and the temperature that makes phenol reagent that can be quick risees to the best detection scope, has further improved the speed that detects.
Example 9
Referring to fig. 1, the phenol kit 4 of this example is made of a transparent material, and a color chart 14 is adhered to a handle 13, based on example 1.
This application is through adopting the transparent material preparation with phenol kit 4, bonds colour comparison card 14 on handle 13 simultaneously, can make the colour of the phenol reagent after detecting directly contrast with colour comparison card 14, corresponds the content of judging formaldehyde in the air according to the colour, the later stage of being convenient for is to the processing of formaldehyde in the air.
It should be understood by those skilled in the art that the PLC controller according to the embodiment is known in the art for implementing automatic control.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (9)
1. The utility model provides an indoor formaldehyde short-term test appearance, is including connecting phenol kit (4) on handle (13), connecting intake pipe (7) and outlet duct (12), the air pump (9) of connection on intake pipe (7) that communicate with phenol kit (4) on handle (13), all be connected with solenoid valve, its characterized in that on intake pipe (7) and outlet duct (12): the box wall of phenol kit (4) is by inner wall (3) and outer wall (2) formation cavity structure, cavity in-connection has electric heating coil (1), handle (13) in-connection with the battery that electric heating coil (1) electricity is connected, phenol kit (4) in-connection has temperature sensor (18), be connected with on handle (13) with temperature display screen (5) that temperature sensor (18) electricity is connected.
2. The indoor formaldehyde rapid detector according to claim 1, characterized in that: the phenol kit (4) is connected with the handle (13) through a detachable connecting piece.
3. The indoor formaldehyde rapid detector according to claim 2, characterized in that: the detachable connecting piece comprises an external thread arranged on the handle (13), and a thread groove arranged on the inner wall (3) of the phenol kit (4) and screwed by matching with the external thread.
4. The indoor formaldehyde rapid detector according to claim 1, characterized in that: and the air inlet pipe (7) is connected with a filter screen (10) for filtering impurities in the air.
5. The indoor formaldehyde rapid detector according to claim 1, characterized in that: and the air inlet of the air inlet pipe (7) and the air outlet of the air outlet pipe (12) are both movably connected with end covers (11).
6. The indoor formaldehyde rapid detector according to claim 1, characterized in that: the phenol kit (4) is internally connected with a liquid level sensor (15), the handle (13) is connected with a liquid level display screen (6), and the air inlet pipe (7) is connected with a gas flowmeter (8).
7. The indoor formaldehyde rapid detector according to claim 1, characterized in that: the end part of the air inlet pipe (7) extending into the phenol kit (4) is connected with a transverse pipe (16) communicated with the air inlet pipe, and a plurality of air outlet holes (17) are formed in the transverse pipe (16).
8. The indoor formaldehyde rapid detector according to claim 1, characterized in that: the inner wall (3) of the phenol kit (4) is made of a heat conduction material, and the outer wall (2) of the phenol kit (4) is made of a heat preservation and insulation material.
9. The indoor formaldehyde rapid detector according to claim 1, characterized in that: the phenol kit (4) is made of transparent materials, and a color comparison card (14) is adhered to the handle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724441.4U CN210953821U (en) | 2019-05-20 | 2019-05-20 | Indoor formaldehyde short-term test appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724441.4U CN210953821U (en) | 2019-05-20 | 2019-05-20 | Indoor formaldehyde short-term test appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953821U true CN210953821U (en) | 2020-07-07 |
Family
ID=71394546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920724441.4U Active CN210953821U (en) | 2019-05-20 | 2019-05-20 | Indoor formaldehyde short-term test appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125426A (en) * | 2021-04-07 | 2021-07-16 | 山西工程职业学院 | Use method of portable accurate formaldehyde analysis box |
| CN113252559A (en) * | 2021-05-07 | 2021-08-13 | 陈星华 | Integrated formaldehyde concentration test box |
-
2019
- 2019-05-20 CN CN201920724441.4U patent/CN210953821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125426A (en) * | 2021-04-07 | 2021-07-16 | 山西工程职业学院 | Use method of portable accurate formaldehyde analysis box |
| CN113252559A (en) * | 2021-05-07 | 2021-08-13 | 陈星华 | Integrated formaldehyde concentration test box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210953821U (en) | Indoor formaldehyde short-term test appearance | |
| CN205026824U (en) | Fresh air purifying system | |
| CN203965915U (en) | Household bathroom intelligent control system | |
| CN105937792A (en) | Household humidifier with error correcting function and error correcting method | |
| CN105486572A (en) | Integral intelligent COD digestion instrument | |
| CN202083044U (en) | Air conditioner for intelligent air ventilation | |
| CN201192518Y (en) | Medical intelligent air-oxygen mixing device | |
| CN203010838U (en) | Indoor temperature and humidity automatic control system | |
| CN205420413U (en) | Many functional type laboratory photobioreactor system | |
| CN205079384U (en) | Indoor air monitering treater with temperature and humidity detects function | |
| CN206043239U (en) | A kind of automatic dough mixing machine of controllable hardness | |
| CN205561122U (en) | Domestic humidifier with error correction function | |
| CN207395334U (en) | A kind of air dry oven of real-time detection Sample moisture | |
| CN105831306A (en) | Intelligent tea leaf scenting machine | |
| CN206803411U (en) | A kind of indoor fresh air clarifier | |
| CN205384527U (en) | Multichannel heater based on control of computer virtual instrument | |
| CN206173291U (en) | Red wine fermentation cylinder | |
| CN108776092A (en) | Mask respiratory resistance test machine | |
| CN205279352U (en) | Automatic response humidifier | |
| CN103768736A (en) | Intelligent respirator detection device | |
| CN203930502U (en) | The test fixture box of heat pump main frame, air-conditioner host control panel | |
| CN110513971B (en) | Blast drying oven for rapidly drying glassware | |
| CN106016630A (en) | Intelligent ventilation device for building | |
| CN209525218U (en) | Ceramic migration test integrated cabinet | |
| CN207590616U (en) | With the sweeping robot panel of temperature automatic color-changing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |