CN206974481U - Environmental detection set with integral sensor protective cover - Google Patents

Abstract

The utility model discloses a kind of environmental detection set with integral sensor protective cover, it includes a housing（100）, an air inlet is provided with the housing（101）, an air outlet（102）, in the housing（100）It is internally provided with sensor stand（700）, some sensors（701）It is arranged on the sensor stand, described sensor（701）Outside is provided with a protective cover（300）, in the housing（100）Internal close air inlet（101）Place is provided with vavuum pump（200）, the protective cover（300）With vavuum pump（200）Sequentially it is tightly connected by flexible pipe.The utility model has and will flow through the gas flow rate unification of each sensor, and can accelerate the exchange velocity of enclosure interior and extraneous gas, improves the precision of detection；And the characteristics of protecting sensor, maintenance to facilitate.

Description

Environmental detection set with integral sensor protective cover

Technical field

It the utility model is related to a kind of environmental detection set, more particularly to a kind of ring with integral sensor protective cover Border detection means.

Background technology

Applicant is had found in environment detector housing when research and development have the environment monitor of more detection project functions Internal multiple environmental detection sensors, when enclosure interior exchanges with extraneous gas, flow through each sensing because position is different The gas flow rate of device is different, that is to say, that the accuracy in detection of sensor is had a great influence by air velocity, and then influences environment inspection Survey the Detection results of instrument；In addition, each sensor is exposed in enclosure interior, easily to external environment influence, sensor is reduced Service life.

The content of the invention

In order to solve the above technical problems, the utility model provides a kind of environment measuring with integral sensor protective cover Device, it includes a housing 100, and an air inlet 101, an air outlet 102, in the housing 100 are provided with the housing Portion is provided with sensor stand 700, and some sensors 701 are arranged on the sensor stand, wherein in described sensor 701 outsides are provided with a protective cover 300, in the housing（100）Internal close air inlet（101）Place is provided with vavuum pump （200）, the protective cover（300）With vavuum pump（200）Sequentially it is tightly connected by flexible pipe.

Preferably, the vavuum pump 200 has air inlet 202 and gas outlet 201, and the protective cover 300 has suction nozzle 302 with outlet nozzle 301, wherein the suction nozzle 302 of the protective cover 300 is tightly connected by flexible pipe, the protective cover 300 goes out The air inlet 202 of valve 301 and the vavuum pump 200 is tightly connected by flexible pipe, and the gas outlet 201 of the vavuum pump 200 is close Envelope one flexible pipe 203 of connection, the flexible pipe 203 extend to housing（100）Air outlet（102）Place.

Preferably, the protective cover 300 includes first side 300A, second side 300B and is disposed there between Seal 900.

Preferably, the first side 300A is provided with air admission hole 303, venthole 304, respectively with the suction nozzle 302, Outlet nozzle 301 is tightly connected.

Preferably, the first side 300A is provided with the groove knot adaptable with the sensor 701 and seal 900 Structure 900A.

Preferably, the second side 300B is provided with some gauge holes 306 for accommodating the sensor 701, and Perpendicular to the raised structures 900B adaptable with the seal 900, groove structure 900A of second side 300B extensions.

Preferably, the protective cover 300 is polytetrafluoroethylene (PTFE) or stainless steel.

Preferably, a waterproof construction 600 is also included in the housing 100, be arranged at air inlet 101 and vavuum pump 200 it Between.

Preferably, the waterproof construction 600 has at least one water-retaining structure 601, the water-retaining structure 601 and housing 100 are tightly connected.

Preferably, the bottom of air inlet 101 is located at same level with the bottom surface of housing 100.

In summary, technical scheme disclosed in the utility model, which has, to flow through the gas flow rate unification of each sensor, And the exchange velocity of enclosure interior and extraneous gas can be accelerated, improve the precision of detection；And protection sensor, maintenance are conveniently The characteristics of.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, can also be according to the accompanying drawing of these accompanying drawings acquisition other embodiment.

Fig. 1 is the utility model environment monitor body diagram；

Fig. 2 is the utility model environment monitor housing parts schematic cross-sectional view；

Fig. 3 is the utility model environment monitor enclosure interior schematic diagram；

Fig. 4 is the utility model sensor stand and protective cover exploded perspective view；

Fig. 5 is the utility model protective cover front schematic view；

Fig. 6 is the utility model protective cover reverse side schematic diagram；

Fig. 7 is the utility model protective cover first side schematic diagram；

Fig. 8 is the utility model protective cover second side schematic diagram.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in fact in many different forms It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model Open the understanding more thorough and comprehensive of content.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to The implication that those skilled in the art of the present utility model are generally understood that is identical.Herein in specification of the present utility model Used term is intended merely to describe the purpose of specific embodiment, it is not intended that limitation the utility model.It is used herein Term " and/or " include the arbitrary and all combinations of one or more related Listed Items.

Particular content of the present utility model is described in detail below in conjunction with Fig. 1 to Fig. 8.As shown in Figures 1 to 4, originally Utility model discloses a kind of environmental detection set with integral sensor protective cover, and it includes a housing 100, the shell An air inlet 101 is provided with body, an air outlet 102, sensor stand 700, Ruo Ganchuan is internally provided with the housing 100 Sensor 701 and carbon dioxide sensor 800 are arranged on the sensor stand, wherein in the described outside of sensor 701 A protective cover 300 is provided with, vavuum pump 200 is provided with air inlet 101 in the inside of housing 100, in the housing 100 inside are provided with centrifugal blower 400 at air outlet 102, and moisture filter 500 is internally provided with the housing 100, The moisture filter 500, protective cover 300, carbon dioxide sensor 800, vavuum pump 200 are sequentially tightly connected by flexible pipe.

Technical scheme disclosed in the utility model will be arranged on sensor stand 700 by the protective cover 300 of integral type Several sensors 800 be sealed in the same space, be provided with further through the inside of housing 100 is arranged at air inlet 101 Vavuum pump 200, centrifugal blower 400 and moisture filter 500 and some flexible pipes composition one are provided with air outlet 102 Special air ventilation passage, the first gas in housing 100 cause Uniform gas flow velocity in the presence of vavuum pump 200, and Entered by moisture filter 500, filter out the steam in gas after moisture filter 500（It can influence to examine because steam is overweight Survey precision）, subsequently into protective cover 300, Uniform gas flow velocity by each sensor, then pass through vavuum pump 200 again Deliver the gas at the air outlet 102 and be provided with centrifugal blower 400 and discharge hull outside, with realize improve enclosure interior with The exchange velocity of extraneous gas, and ensure that the gas flow rate for flowing through each sensor is relatively uniform, meanwhile, it is described in the utility model Protective roof structure there is to protect the sensor from extraneous factor interference and infringement.

It should be noted that carbon dioxide sensor 800 described in the utility model is arranged on outside protective cover 300, improve The exchange velocity of carbon dioxide sensor and extraneous gas, and ensure that the gas flow rate for flowing through carbon dioxide sensor is relatively equal It is even, also can by from the gas that protective cover 300 exports via by vavuum pump 200 that gas is defeated again after carbon dioxide sensor 800 Deliver at air outlet 102 and be provided with the discharge hull outside of centrifugal blower 400.Can certainly be by carbon dioxide sensor 800 are arranged inside protective cover 300, reach identical purpose.

In addition, housing 100 described in the utility model can be metal shell or include the compound of phase-change material Metal shell, using the Composite metal shell of phase-change material, using the phase-change constant-temperature characteristic of phase-change material, maintain enclosure interior temperature Spend constant, enclosure interior electronic device normal work is can ensure that when local environment temperature raises；Some sensors 701 can To be dust sensor, light sensor, temp-sensitive sensor, gas sensor, humidity sensor, acoustic sensor, nuclear radiation A kind of and/or multiple combinations therein such as sensor, anion sensor, bacterium colony sensor, chemical sensor, specifically can basis Application environment selects suitable sensor to detect different environmental datas；TYGON flexible pipes, the protection may be selected in the flexible pipe Cover 300 is polytetrafluoroethylene (PTFE) or stainless steel, has surface is smooth to be not easy adsorbed gas using polytetrafluoroethylene (PTFE) or stainless steel Or the characteristic of impurity, the percent of pass by protective cover gas is improved, reduces influence of the extraneous factor to testing result.

Further, vavuum pump 200 described in the utility model has air inlet 202 and gas outlet 201, the protective cover 300 have suction nozzle 302 and outlet nozzle 301, and the centrifugal blower 400 has air inlet 402 and air outlet 401, the steam Filter 500 has air inlet 502 and gas outlet 501, and the carbon dioxide sensor 800 has air inlet 801 and gas outlet 802, wherein the gas outlet 501 of the moisture filter and the suction nozzle 302 of protective cover 300 are tightly connected by flexible pipe, it is described The air inlet 801 of the outlet nozzle 301 of protective cover 300 and the carbon dioxide sensor 800 is tightly connected by flexible pipe, and described two The gas outlet 802 and the air inlet 202 of the vavuum pump 200 for aoxidizing carbon sensor 800 are tightly connected by flexible pipe, the vacuum The gas outlet 201 of pump 200 is tightly connected a flexible pipe 203, and the flexible pipe 203 extends to the air inlet 402 of the centrifugal blower 400 Place, because the air outlet 401 of centrifugal blower 400 is arranged at the side of housing air outlet 102, in order to by the gas of each sensor Body discharges rapidly housing 100, accelerates the gas flowing in housing, and then can more accurately detect gas to be measured.

Due to being provided with vavuum pump 200 and other electronic devices at air inlet 101 in the inside of housing 100, it is Strengthen classification of waterproof, the utility model also includes a waterproof construction 600, is arranged between air inlet 101 and vavuum pump 200, institute Stating waterproof construction 600 has at least one water-retaining structure 601, and the water-retaining structure 601 is tightly connected with housing 100, it is preferred that The height of the waterproof construction 600 should be greater than the height of vavuum pump 200.It should be noted that it is arranged at the centrifugation at air outlet 102 The inside of blower fan 400 has waterproof construction, therefore herein without additionally setting waterproof construction 600.

In addition, the bottom surface of the bottom of the air inlet 101 and housing 100 is arranged to same level by the utility model, i.e., Air inlet is in same plane with housing bottom surface, in order to which the water that waterproof construction 600 stops quickly is discharged from housing.

As shown in Fig. 4 to Fig. 8, protective cover 300 described in the utility model includes first side 300A, second side 300B And the seal 900 being disposed there between, the first side 300A, second side 300B are polytetrafluoroethylene (PTFE) or not Rust steel material, seal 900 is soft material（Such as rubber) to prevent gas from leaking.It is provided with the first side 300A Air admission hole 303, venthole 304, it is tightly connected respectively with the suction nozzle 302, outlet nozzle 301.

In addition, the first side 300A is additionally provided with the groove knot adaptable with the sensor 701 and seal 900 Structure 900A, the groove structure 900A includes the strip structure being adapted with seal 900 and cooperation fixed screw holes 305 are used Circular configuration；The first side 300A is additionally provided with the gas-guiding structure of gas circulation, and the gas-guiding structure, which is divided into first, leads Depressed structure 307, the second gas-guiding structure 308, the 3rd gas-guiding structure 309, the air admission hole 303, the first gas-guiding structure 307, second Gas-guiding structure 308, the 3rd gas-guiding structure 309 and venthole 304 form a gas channel, and bootable gas is in sequence Flow through each sensor.Wherein, first gas-guiding structure 307, the second gas-guiding structure 308, the quantity of the 3rd gas-guiding structure 309 At least one, specifically can be according to the appropriate change of actual use.

Second side 300B described in the utility model is provided with some gauge holes 306 for accommodating the sensor 701, And the raised structures adaptable with the seal 900, groove structure 900A upwardly extended perpendicular to second side 300B 900B。

Sealed between some sensors 701 and protective cover 300 described in the utility model by multiple soft sealing rings, institute State between the suction nozzle 302, outlet nozzle 301 and first side 300A of protective cover 300 is also by soft sealing ring sealing, accompanying drawing In have diagram, but non-label, therefore illustrate herein.In addition, seal 900 has a gap structure 901 and screw hole 902, respectively For coordinating the 3rd gas-guiding structure 309, and each screw to fix and use.

It is above the utility model preferred forms, the utility model, which can also become, turns to vavuum pump 200 and protective cover The technical scheme of 300 compositions（Only narration and the difference part of preferred forms below）, i.e.,：Gas in housing 100 is true In the presence of empty pump 200, entered with uniform flow velocity by the suction nozzle 302 of protective cover 300, flowed through each in protective cover 300 After individual sensor 701, the air inlet 201 via the vavuum pump 200 for the flexible pipe being connected with outlet nozzle 301 enters in vavuum pump, institute The gas outlet 201 for stating vavuum pump 200 is tightly connected a flexible pipe 203, and it is straight that the flexible pipe 203 extends to the side of housing air outlet 102 Run in hull outside, to improve the exchange velocity of enclosure interior and extraneous gas.

In addition, the utility model, which can also become, turns to vavuum pump 200, the skill of protective cover 300 and the composition of moisture filter 500 Art scheme（Only narration and the difference part of preferred forms below）, i.e.,：The work of gas in housing 100 in vavuum pump 200 Under, entered by the air inlet 502 of moisture filter 500, filter out the steam in gas after moisture filter 500（Cause Steam is overweight to influence Detection results）, the suction nozzle that then passes through protective cover 300 via the gas outlet 501 of moisture filter 500 302 enter, and are led to the consistent gas to be detected of dry flow velocity by the gas outlet 201 of empty pump 200 in the presence of empty pump 200 Cross flexible pipe and sequentially flow through sensor 701 different in sensor protective shield 300, via the true of the flexible pipe being connected with outlet nozzle 301 The air inlet 201 of empty pump 200 enters in vavuum pump, and the gas outlet 201 of the vavuum pump 200 is tightly connected a flexible pipe 203, described Flexible pipe 203 extends to the side of housing air outlet 102 and is expelled directly out hull outside, to improve exchanging for enclosure interior and extraneous gas Speed.

In addition, the utility model, which can also become, turns to vavuum pump 200, the technology of protective cover 300 and the composition of centrifugal blower 400 Scheme（Only narration and the difference part of preferred forms below）, i.e.,：The effect of gas in housing 100 in vavuum pump 200 Under, entered with uniform flow velocity by the suction nozzle 302 of protective cover 300, after flowing through each sensor 701 in protective cover 300, Air inlet 201 via the vavuum pump 200 for the flexible pipe being connected with outlet nozzle 301 enters in vavuum pump, and the vavuum pump 200 goes out Gas port 201 is tightly connected a flexible pipe 203, and the flexible pipe 203 is extended at the air inlet 402 of the centrifugal blower 400, then by setting The air outlet 401 of the centrifugal blower 400 discharge hull outside of the side of housing air outlet 102 is placed in, to improve enclosure interior and outside The exchange velocity of gas.

Technical scheme disclosed in the utility model, the gas flow rate unification of each sensor can will be flowed through, and shell can be accelerated Internal portion and the exchange velocity of extraneous gas, improve the precision of detection.

Embodiment described above only expresses one or more of embodiments of the present utility model, its describe it is more specific and In detail, but the limitation to the utility model patent scope therefore can not be interpreted as.It should be pointed out that for this area For those of ordinary skill, without departing from the concept of the premise utility, various modifications and improvements can be made, these Belong to the scope of protection of the utility model.

Claims (10)

1. a kind of environmental detection set with integral sensor protective cover, it includes a housing（100）, set on the housing It is equipped with an air inlet（101）, an air outlet（102）, in the housing（100）It is internally provided with sensor stand（700）, it is some Sensor（701）It is arranged on the sensor stand, it is characterised in that：In described sensor（701）Outside is provided with one Protective cover（300）, in the housing（100）Internal close air inlet（101）Place is provided with vavuum pump（200）, the protective cover （300）With vavuum pump（200）Sequentially it is tightly connected by flexible pipe.

2. the environmental detection set according to claim 1 with integral sensor protective cover, it is characterised in that：It is described Vavuum pump（200）With air inlet（202）With gas outlet（201）, the protective cover（300）With suction nozzle（302）With outlet Mouth（301）, wherein the protective cover（300）Suction nozzle（302）It is tightly connected by flexible pipe, the protective cover（300）Go out Valve（301）With the vavuum pump（200）Air inlet（202）It is tightly connected by flexible pipe, the vavuum pump（200）Outlet Mouthful（201）It is tightly connected a flexible pipe（203）, the flexible pipe（203）Extend to the housing（100）Air outlet（102）Place.

3. the environmental detection set according to claim 2 with integral sensor protective cover, it is characterised in that：It is described Protective cover（300）Including first side（300A）, second side（300B）And the seal being disposed there between（900）.

4. the environmental detection set according to claim 3 with integral sensor protective cover, it is characterised in that：It is described First side（300A）It is provided with air admission hole（303）, venthole（304）, respectively with the suction nozzle（302）, outlet nozzle（301） It is tightly connected.

5. the environmental detection set according to claim 3 with integral sensor protective cover, it is characterised in that：It is described First side（300A）It is provided with and the sensor（701）And seal（900）Adaptable groove structure（900A）.

6. the environmental detection set according to claim 5 with integral sensor protective cover, it is characterised in that：It is described Second side（300B）It is provided with and accommodates the sensor（701）Some gauge holes（306）, and perpendicular to second side （300B）Extension with the seal（900）, groove structure（900A）Adaptable raised structures（900B）.

7. the environmental detection set according to claim 1 with integral sensor protective cover, it is characterised in that：It is described Protective cover（300）For polytetrafluoroethylene (PTFE) or stainless steel.

8. the environmental detection set according to claim 1 with integral sensor protective cover, it is characterised in that：It is described Housing（100）Inside also include a waterproof construction（600）, it is arranged at air inlet（101）With vavuum pump（200）Between.

9. the environmental detection set according to claim 8 with integral sensor protective cover, it is characterised in that：It is described Waterproof construction（600）With at least one water-retaining structure（601）, the water-retaining structure（601）With housing（100）It is tightly connected.

10. the environmental detection set according to claim 1 with integral sensor protective cover, it is characterised in that：Institute State air inlet（101）Bottom and housing（100）Bottom surface is located at same level.