CN204269628U - Pocket methylene oxide detecting instrument - Google Patents
Pocket methylene oxide detecting instrument Download PDFInfo
- Publication number
- CN204269628U CN204269628U CN201420692037.0U CN201420692037U CN204269628U CN 204269628 U CN204269628 U CN 204269628U CN 201420692037 U CN201420692037 U CN 201420692037U CN 204269628 U CN204269628 U CN 204269628U
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- main board
- battery
- detecting instrument
- circuit main
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Abstract
The utility model relates to the technical field of Detection of Air Quality equipment, pocket methylene oxide detecting instrument is provided, comprise procapsid and back casing, procapsid docks with back casing and forms an inner chamber, is provided with circuit main board, liquid crystal display, formaldehyde sensor and battery in inner chamber, and circuit main board has leading flank and trailing flank, liquid crystal display is located on leading flank, formaldehyde sensor and battery are located on trailing flank, and procapsid offers display window, and liquid crystal display and display window are just to setting.Due to procapsid and back casing docking formation one inner chamber, and liquid crystal display and formaldehyde sensor are arranged at respectively the both sides of circuit main board, namely on leading flank and trailing flank, like this, above-mentioned pocket methylene oxide detecting instrument will make full use of intracavity space, and the mode that liquid crystal display, formaldehyde sensor and battery adopt directly and circuit main board is electrically connected, avoid adopting the connections such as wire, make the layout of each parts of circuit main board compacter, be beneficial to pocket methylene oxide detecting instrument microminiaturized, be easy to carry.
Description
Technical field
The utility model belongs to the technical field of Detection of Air Quality equipment, particularly relates to pocket methylene oxide detecting instrument.
Background technology
At present, indoor contaminated air is very large on the impact of health, and wherein endangering maximum is formaldehyde, formaldehyde is magma poisonous substance, energy and protein bound, after human body sucks high-concentration formaldehyde, there will be serious stimulation and the oedema of respiratory tract, Long Term Contact formaldehyde, has leukemogenic risk.For guaranteeing indoor environment livable-in and work, long term monitoring must be carried out to IAQ (indoor air quality), market having had a lot of methylene oxide detecting instrument PARA FORMALDEHYDE PRILLS(91,95) monitor.Existing methylene oxide detecting instrument as:
Authorization Notice No.: a kind of Portable environment monitor disclosed in CN 202057359U, it comprises the mainboard in housing and described housing, described mainboard is provided with microprocessor, storer and signal sample circuit module, described housing is provided with display and keyboard, described outside is provided with a probe, described probe is provided with sensor assembly, and described sensor assembly is connected with described microprocessor by wire.
But, existing Portable environment monitor, it still also exists such defect: because display is placed on housing by it, and sensor assembly is placed in outside housing by a probe, and sensor assembly and the microprocessor on mainboard adopt wire to be connected, like this, cause its structure distribution compact not, and install inconvenient.
Utility model content
The purpose of this utility model is to provide pocket methylene oxide detecting instrument, be intended to solve methylene oxide detecting instrument of the prior art due to display and sensor assembly to be placed in respectively inside and outside housing and the structure distribution that causes of the mode adopting wire to connect compact not, inconvenient problem is installed.
For solving the problems of the technologies described above, the technical scheme of the pocket methylene oxide detecting instrument that the utility model provides is, it comprises procapsid and back casing, described procapsid docks with described back casing and is formed with an inner chamber communicated with the external world, circuit main board is provided with in described inner chamber, the liquid crystal display be electrically connected with described circuit main board, formaldehyde sensor and battery, described circuit main board has the leading flank near described procapsid and the trailing flank near described back casing, described liquid crystal display is located on described leading flank, described formaldehyde sensor and described battery are located on described trailing flank, described procapsid offers display window, described liquid crystal display and described display window are just to setting.
Further, described circuit main board is parallel to docking in plane of described procapsid and described back casing.
Further, described formaldehyde sensor and described battery are distributed on described trailing flank along the length direction of described circuit main board.
Further, described liquid crystal display to be embedded in described display window and its outside surface is equal with the outside surface of described procapsid.
Further, described circuit main board is provided with the microprocessor with port, and described microprocessor and described formaldehyde sensor are electrically connected, and are connected with described liquid crystal display by described port.
Further, on described trailing flank, the side of described battery is provided with battery tray, and described battery is electrically connected by described battery tray and described circuit main board.
Further, described back casing offers the air hole for being led in described inner chamber by the air outside described back casing.
Further, described air hole is located at the region of facing described formaldehyde sensor on described back casing.
Further, described battery is lithium polymer battery or Ni-MH battery.
The utility model is compared the beneficial effect of prior art:
Due to procapsid and back casing docking formation one inner chamber of above-mentioned pocket methylene oxide detecting instrument, and circuit main board is located in inner chamber, liquid crystal display and formaldehyde sensor are arranged at respectively the both sides of circuit main board, namely on leading flank and trailing flank, like this, to compare existing mode display and sensor assembly are placed in respectively inside and outside housing, above-mentioned pocket methylene oxide detecting instrument can make full use of the intracavity space of circuit main board both sides, reduce to hold liquid crystal display, the intracavity space of formaldehyde sensor and battery, and, liquid crystal display, the mode that formaldehyde sensor and battery adopt directly and circuit main board is electrically connected, avoid adopting the line bodies such as wire to connect, make the arrangement of each parts on circuit main board more compact like this, the procapsid and the back casing trend that are beneficial to pocket methylene oxide detecting instrument are microminiaturized, volume by pocket methylene oxide detecting instrument does less, be easy to carry.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing explosive view of the pocket methylene oxide detecting instrument that the utility model embodiment provides;
Fig. 2 is the stereo decomposing explosive view of pocket another line of vision of methylene oxide detecting instrument that the utility model embodiment provides;
Fig. 3 is the perspective view of the pocket methylene oxide detecting instrument that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 3, be preferred embodiment that the utility model provides.
It should be noted that, when parts are called as " being fixed on " or " being arranged at " another parts, it can directly on another parts or may there are parts placed in the middle simultaneously.When parts are known as " being connected to " another parts, it can be directly connected to another parts or may there are parts placed in the middle simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, the pocket methylene oxide detecting instrument 10 that the present embodiment provides, for the concentration of formaldehyde in room air.
It comprises procapsid 11 and back casing 12, procapsid 11 docks with back casing 12 and is formed with an inner chamber 13 communicated with the external world, the liquid crystal display 15, formaldehyde sensor 16 and the battery 17 that are provided with circuit main board 14 in inner chamber 13, are electrically connected with circuit main board 14, circuit main board 14 has the leading flank 141 of close procapsid 11 and the trailing flank 142 near back casing 12, leading flank 141 is provided with liquid crystal display 15, and formaldehyde sensor 16 and battery 17 are located on trailing flank 142.
The pocket methylene oxide detecting instrument 10 that the present embodiment provides is compared the beneficial effect of prior art:
As depicted in figs. 1 and 2, because the procapsid 11 of above-mentioned pocket methylene oxide detecting instrument 10 and back casing 12 dock formation one inner chamber 13, and circuit main board 14 is located in inner chamber 13, liquid crystal display 15 and formaldehyde sensor 16 are arranged at respectively the both sides of circuit main board 14, namely leading flank 141 is with on trailing flank 142, like this, to compare existing mode display and sensor assembly are placed in respectively inside and outside housing, above-mentioned pocket methylene oxide detecting instrument can make full use of inner chamber 13 space of circuit main board 14 both sides, reduce to hold liquid crystal display 15, inner chamber 13 space of formaldehyde sensor 16 and battery 17, and, liquid crystal display 15, the mode that formaldehyde sensor 16 and battery 17 adopt directly and circuit main board 14 is electrically connected, avoid adopting the line bodies such as wire to connect, make the arrangement of each parts on circuit main board 14 more compact like this, the procapsid 11 and the back casing 12 that are beneficial to pocket methylene oxide detecting instrument 10 tend to microminiaturized, volume by pocket methylene oxide detecting instrument 10 does less, be easy to carry.
It should be noted that, procapsid 11 and back casing 12 can be equivalent to following three kinds of versions: front panel, back shroud and the framework be located between front panel and back shroud, and namely front panel and framework are equivalent to procapsid 11, and back shroud is equivalent to back casing 12.
As depicted in figs. 1 and 2, inner chamber 13 space formed is docked in order to utilize procapsid 11 and back casing 12 better, what circuit main board 14 was positioned at procapsid 11 and back casing 12 docks in plane, like this, inner chamber 13 space of what the liquid crystal display 15 be located on circuit main board 14 leading flank 141 took is procapsid 11, what be located at that formaldehyde sensor 16 on circuit main board 14 trailing flank 142 and battery 17 take is inner chamber 13 space of procapsid 11, therefore, under the prerequisite meeting each parts installing space, be conducive to making the procapsid 11 of pocket methylene oxide detecting instrument 10 and back casing 12 tend to miniaturization.
As depicted in figs. 1 and 2, formaldehyde sensor 16 and battery 17 are distributed on trailing flank 142 along the length direction of described circuit main board 14, like this, as long as the size of circuit main board 14 in the vertical direction meets can reserve enough space mounting formaldehyde sensors 16 and battery 17, and circuit main board 14 size is in the horizontal direction limited, the procapsid 11 and the back casing 12 that are conducive to pocket methylene oxide detecting instrument 10 tend to miniaturization.
Formaldehyde sensor 16 is positioned at the top of battery 17, and formaldehyde sensor 16 and battery 17 are vertically closely arranged up and down on trailing flank 142, is beneficial to and reduces the size of circuit main board 14 on vertical direction.
As shown in Figure 1, in order to reduce the thickness of procapsid 11 as much as possible, liquid crystal display 15 is embedded in display window 111 and its outside surface is equal with the outside surface of procapsid 11, like this, liquid crystal display 15 on circuit main board 14 is by transmission display window 111, be exposed to outside procapsid 11, be convenient to people and read reading in liquid crystal display 15, to know the concentration of formaldehyde.
Circuit main board 14 is provided with the microprocessor (not shown) with port, and microprocessor and formaldehyde sensor 16 are electrically connected, and are connected with liquid crystal display 15 by port.
The principle of work of above-mentioned pocket methylene oxide detecting instrument: first, formaldehyde sensor 16 detects the trace formaldehyde molecule in air, and export the microampere order current signal corresponding with formaldehyde molecule concentration, then, this current signal is through the filtering of circuit main board 14, amplification and analog to digital conversion effect, then through calculating and the controlling functions of microprocessor, finally, there is interactive correspondence by port and liquid crystal display 15 in microprocessor, and the concentration of formaldehyde is shown on the liquid crystal monitor 15 with the form of numeral or trend curve figure.
As depicted in figs. 1 and 2, in order to realize charging to circuit main board 14 and battery 17, on trailing flank 142, the side of battery 17 is provided with battery tray 18, and battery 17 is electrically connected by battery tray 18 and circuit main board 14.Simultaneously, in order to more reasonably arrange each parts on circuit main board 14, battery tray 18 is arranged at the side that battery 17 is gone up in the horizontal direction, like this, take full advantage of trailing flank 142 installing space in the horizontal direction on circuit main board 14, avoid the excessive of size on vertical direction, make the layout of formaldehyde sensor 16, battery 17 and battery tray 18 more compact, be beneficial to the microminiaturization of pocket methylene oxide detecting instrument.
As shown in Figure 1, by the air guiding inner chamber 13 outside back casing 12, back casing 12 offers air hole 121 in order to realize.And in order to strengthen the Detection results of formaldehyde sensor 16, air hole 121 is located at the region of facing formaldehyde sensor 16 on back casing 12.
Preferably, in the present embodiment, battery 17 is lithium polymer battery or Ni-MH battery.In other embodiments, battery 17 is rechargeable battery, and the chargeable service condition of its demand fulfillment, is not limited in lithium polymer battery or Ni-MH battery.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. pocket methylene oxide detecting instrument, it is characterized in that: comprise procapsid and back casing, described procapsid docks with described back casing and is formed with an inner chamber communicated with the external world, circuit main board is provided with in described inner chamber, the liquid crystal display be electrically connected with described circuit main board, formaldehyde sensor and battery, described circuit main board has the leading flank near described procapsid and the trailing flank near described back casing, described liquid crystal display is located on described leading flank, described formaldehyde sensor and described battery are located on described trailing flank, described procapsid offers display window, described liquid crystal display and described display window are just to setting.
2. pocket methylene oxide detecting instrument as claimed in claim 1, is characterized in that: described circuit main board is parallel to docking in plane of described procapsid and described back casing.
3. pocket methylene oxide detecting instrument as claimed in claim 1, is characterized in that: described formaldehyde sensor and described battery are distributed on described trailing flank along the length direction of described circuit main board.
4. pocket methylene oxide detecting instrument as claimed in claim 1, is characterized in that: described liquid crystal display is embedded in described display window and its outside surface is equal with the outside surface of described procapsid.
5. the pocket methylene oxide detecting instrument as described in any one of Claims 1 to 4, it is characterized in that: described circuit main board is provided with the microprocessor with port, described microprocessor and described formaldehyde sensor are electrically connected, and are connected with described liquid crystal display by described port.
6. pocket methylene oxide detecting instrument as claimed in claim 5, is characterized in that: on described trailing flank, the side of described battery is provided with battery tray, and described battery is electrically connected by described battery tray and described circuit main board.
7. pocket methylene oxide detecting instrument as claimed in claim 5, is characterized in that: described back casing offers the air hole for being led in described inner chamber by the air outside described back casing.
8. pocket methylene oxide detecting instrument as claimed in claim 7, is characterized in that: described air hole is located at the region of facing described formaldehyde sensor on described back casing.
9. pocket methylene oxide detecting instrument as claimed in claim 5, is characterized in that: described battery is lithium polymer battery or Ni-MH battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692037.0U CN204269628U (en) | 2014-11-18 | 2014-11-18 | Pocket methylene oxide detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692037.0U CN204269628U (en) | 2014-11-18 | 2014-11-18 | Pocket methylene oxide detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204269628U true CN204269628U (en) | 2015-04-15 |
Family
ID=52804489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420692037.0U Expired - Fee Related CN204269628U (en) | 2014-11-18 | 2014-11-18 | Pocket methylene oxide detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204269628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259313A (en) * | 2015-10-27 | 2016-01-20 | 哈尔滨朋来科技开发有限公司 | Domestic fixed type formaldehyde tester |
-
2014
- 2014-11-18 CN CN201420692037.0U patent/CN204269628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259313A (en) * | 2015-10-27 | 2016-01-20 | 哈尔滨朋来科技开发有限公司 | Domestic fixed type formaldehyde tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20201118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |