CN203908703U - Single control bus type digital temperature and humidity sensor - Google Patents
Single control bus type digital temperature and humidity sensor Download PDFInfo
- Publication number
- CN203908703U CN203908703U CN201420347432.5U CN201420347432U CN203908703U CN 203908703 U CN203908703 U CN 203908703U CN 201420347432 U CN201420347432 U CN 201420347432U CN 203908703 U CN203908703 U CN 203908703U
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- hygrometric
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Abstract
The utility model discloses a single control bus type digital temperature and humidity sensor apparatus, comprising an apparatus body, the outside of which is provided with a thermistor and a humistor. A temperature measurement chamber is arranged on the apparatus body. An air inlet and an air outlet are arranged in the temperature measurement chamber. The thermistor is fixedly arranged in the temperature measurement chamber. A bearing is arranged in the air inlet. An impeller is arranged on the inner side of the bearing. An air-in pipe is arranged on the outer side of the bearing. A flexible envelope is arranged between the air-in pipe and the air inlet. A negative pressure blower fan is arranged in the air outlet. The air inlet is connected with an air storage chamber. The air storage chamber is connected with a moisture measurement chamber. The moisture measurement chamber is connected with an exhaust chamber. The humistor is fixedly arranged in the moisture measurement chamber. A throttle valve is arranged between the air storage chamber and the moisture measurement chamber. A one-way valve is arranged between the moisture measurement chamber and the exhaust chamber. According to the a single control bus type digital temperature and humidity sensor apparatus provided by the utility model, deficiency in the prior art can be improved, and accuracy for a detecting element to capture the temperature and humidity is increased.
Description
Technical field
The utility model relates to a kind of sensor device, especially a kind of single control bus type digital hygro sensor processed device.
Background technology
Under various work condition environments, need to monitor accurately humiture.Existing Temperature Humidity Sensor is all greatly improved in integrated, stability.But, because the detection principle of Temperature Humidity Sensor is still to carry out the detection of humiture by being similar to the element of thermistor and hygristor, near detecting element, environment is very large on the degree of accuracy impact of monitoring, even if the processing module of sensor itself can be filtered some noise signals, but filtration is very limited.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of single control bus type digital hygro sensor processed device, can solve the deficiencies in the prior art, has improved the accuracy of detecting element seizure humiture itself.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of single control bus type digital hygro sensor processed device, comprise fuselage, the outside of fuselage is respectively arranged with thermistor and hygristor, described in it, on fuselage, be provided with thermometric chamber, on thermometric chamber, be provided with air intake opening and gas outlet, thermistor is fixed in thermometric chamber, in air intake opening, be provided with bearing, bearing inner side is provided with impeller, bearing arranged outside has draft tube, between draft tube and air intake opening, be provided with flexible cover, in gas outlet, be provided with negative-pressure air fan, air intake opening is connected with air storing cavity, air storing cavity is connected with hygrometric chamber, hygrometric chamber is connected with discharge chamber, hygristor is fixed in hygrometric chamber, between air storing cavity and hygrometric chamber, be provided with throttling valve, between hygrometric chamber and discharge chamber, be provided with retaining valve.
As preferably, described thermometric chamber arranged outside has thermofin.
As preferably, the upper and lower end face in described air storing cavity is respectively arranged with several first curved baffles and the second curved baffle, the complete opposite direction of arc of the first curved baffle and the second curved baffle, and the first curved baffle and the second curved baffle are crisscross arranged.
As preferably, the end of described discharge chamber is provided with uncovered, is provided with exhaust box in uncovered.
Adopt the beneficial effect that technique scheme is brought to be: the utility model is by improving the outer mounting structure of thermistor and hygristor, reduced the error that the Territorial Difference of ambient temperature and humidity causes temperature and humidity measurement.Temperature testing device can change air inlet towards, strengthened sampling scope, improved the homogeneity of temperature sampling.Humidity measurement device is drawn on the basis of air sample at temperature testing device, and air sample is fully mixed, and has improved the stability of moisture measurement.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model.
In figure: 1, fuselage; 2, thermistor; 3, hygristor; 4, thermometric chamber; 5, air intake opening; 6, gas outlet; 7, bearing; 8, impeller; 9, draft tube; 10, flexible cover; 11, negative-pressure air fan; 12, air storing cavity; 13, hygrometric chamber; 14, discharge chamber; 15, retaining valve; 16, thermofin; 17, the first curved baffle; 18, the second curved baffle; 19, uncovered; 20, exhaust box; 21, poroid overcoat; 22, reducing; 23, through hole; 24, throttling valve.
Embodiment
The standardized element using in the utility model all can be bought from the market, shaped piece all can carry out customized according to instructions with record accompanying drawing, the concrete connected mode of each part all adopts the conventional meanses such as bolt ripe in prior art, rivet, welding, stickup, is not described in detail in this.
With reference to Fig. 1, embodiment of the utility model comprises fuselage 1, the outside of fuselage 1 is respectively arranged with thermistor 2 and hygristor 3, on described fuselage 1, be provided with thermometric chamber 4, on thermometric chamber 4, be provided with air intake opening 5 and gas outlet 6, thermistor 2 is fixed in thermometric chamber 4, in air intake opening 5, be provided with bearing 7, bearing 7 inner sides are provided with impeller 8, bearing 7 arranged outside have draft tube 9, between draft tube 9 and air intake opening 5, be provided with flexible cover 10, in gas outlet 5, be provided with negative-pressure air fan 11, air intake opening 5 is connected with air storing cavity 12, air storing cavity 12 is connected with hygrometric chamber 13, hygrometric chamber 13 is connected with discharge chamber 14, hygristor 3 is fixed in hygrometric chamber 13, between air storing cavity 12 and hygrometric chamber 13, be provided with throttling valve 24, between hygrometric chamber 13 and discharge chamber 14, be provided with retaining valve 15.By two separate test spaces are set, can improve the measuring accuracy of thermistor 2 and hygristor 3.Negative-pressure air fan 11 produces negative pressure absorbing power, mobile air enters thermometric chamber 4 from air intake opening 5, and in flow process, air driven impeller 8 rotates, impeller 8 drives draft tube 9 rotations, and draft tube 9 just can evenly gather the air of each point on rotation round.Flexible cover 10 has been guaranteed the sealing between draft tube 9 and air intake opening 5.First air passes through negative-pressure air fan again through thermometric chamber, can avoid negative-pressure air fan heat radiation to thermometric interference.Air through thermometric chamber 4 enters air storing cavity 12, under the control of throttling valve 24, at the interior formation pressure-fired of air storing cavity 12, has improved air intake blast, has accelerated the air-flow velocity in hygrometric chamber 13, the problem of avoiding the long-term relatively static rear humidity of air to change.Retaining valve 15 has played the problem that prevents the anti-stream of air-flow.Described thermometric chamber 4 arranged outside have thermofin 16, can avoid the extraneous heat radiation interference to thermistor.Upper and lower end face in described air storing cavity 12 is respectively arranged with several first curved baffles 17 and the second curved baffle 18, the complete opposite direction of arc of the first curved baffle 17 and the second curved baffle 18, the first curved baffle 17 and the second curved baffle 18 are crisscross arranged, air forms circulating current between the first curved baffle 17 and the second curved baffle 18, can improve the mixability of air in air storing cavity 12.On the second curved baffle 18, be provided with through hole 23, can guaranteeing, under the well-mixed prerequisite of air, to guarantee enough air outputs.The end of described discharge chamber 14 is provided with in uncovered 19, uncovered 19 and is provided with exhaust box 20, and uncovered 19 can reduce the resistance of exhaust, accelerates exhaust velocity, and exhaust box 20 can effectively reduce the wind of exhaust appearance and make an uproar.
The degree of depth that thermistor 2 stretches into thermometric chamber 4 is 1/2 of thermometric chamber 4 height, and the degree of depth that hygristor 3 stretches into hygrometric chamber 13 is 1/3 of hygrometric chamber 13 height.
In addition, thermistor 2 arranged outside have poroid overcoat 21, when air flows through poroid overcoat 21, produce spiral turbulence, and thermistor 2 surfaces are cleared up.Inlet end in hygrometric chamber 13 is provided with reducing 22, can improve the flow velocity of the air-flow flowing out from throttling valve, adds the cleaning effect of air flow to hygristor 3.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a single control bus type digital hygro sensor processed device, comprise fuselage (1), the outside of fuselage (1) is respectively arranged with thermistor (2) and hygristor (3), it is characterized in that: on described fuselage (1), be provided with thermometric chamber (4), on thermometric chamber (4), be provided with air intake opening (5) and gas outlet (6), thermistor (2) is fixed in thermometric chamber (4), in air intake opening (5), be provided with bearing (7), bearing (7) inner side is provided with impeller (8), bearing (7) arranged outside has draft tube (9), between draft tube (9) and air intake opening (5), be provided with flexible cover (10), in gas outlet (5), be provided with negative-pressure air fan (11), air intake opening (5) is connected with air storing cavity (12), air storing cavity (12) is connected with hygrometric chamber (13), hygrometric chamber (13) is connected with discharge chamber (14), hygristor (3) is fixed in hygrometric chamber (13), between air storing cavity (12) and hygrometric chamber (13), be provided with throttling valve (24), between hygrometric chamber (13) and discharge chamber (14), be provided with retaining valve (15).
2. single control according to claim 1 bus type digital hygro sensor processed device, is characterized in that: described thermometric chamber (4) arranged outside has thermofin (16).
3. single control according to claim 1 bus type digital hygro sensor processed device, it is characterized in that: the upper and lower end face in described air storing cavity (12) is respectively arranged with several first curved baffles (17) and the second curved baffle (18), the complete opposite direction of arc of the first curved baffle (17) and the second curved baffle (18), the first curved baffle (17) and the second curved baffle (18) are crisscross arranged.
4. single control according to claim 1 bus type digital hygro sensor processed device, is characterized in that: the end of described discharge chamber (14) is provided with uncovered (19), is provided with exhaust box (20) in uncovered (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347432.5U CN203908703U (en) | 2014-06-27 | 2014-06-27 | Single control bus type digital temperature and humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347432.5U CN203908703U (en) | 2014-06-27 | 2014-06-27 | Single control bus type digital temperature and humidity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908703U true CN203908703U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347432.5U Expired - Fee Related CN203908703U (en) | 2014-06-27 | 2014-06-27 | Single control bus type digital temperature and humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110362136A (en) * | 2019-07-09 | 2019-10-22 | 浙江雪中炭环境科技有限公司 | Temperature and humidity sensing device, humiture test box and temperature/humidity control method |
| CN112082668A (en) * | 2020-09-07 | 2020-12-15 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
-
2014
- 2014-06-27 CN CN201420347432.5U patent/CN203908703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110362136A (en) * | 2019-07-09 | 2019-10-22 | 浙江雪中炭环境科技有限公司 | Temperature and humidity sensing device, humiture test box and temperature/humidity control method |
| CN112082668A (en) * | 2020-09-07 | 2020-12-15 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
| CN112082668B (en) * | 2020-09-07 | 2021-09-24 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180627 |