CN208398339U - A kind of constant humidity sensor - Google Patents

Abstract

The utility model belongs to sensor technical field, specially a kind of constant humidity sensor, including main box, hygrometer is successively arranged in the main box, controller and power supply, the output end of the hygrometer is connected with the input terminal of controller, the output end of the power supply is connected with the input terminal of controller, the main box is fixedly connected with water tank far from the interior bottom of controller side, the side of the water tank is equipped with inlet valve, the top of the water tank is equipped with outlet pipe, the outlet pipe is equipped with exhaust fan, the output end of the controller is connected with the input terminal of exhaust fan, the outlet pipe runs through the inner top of main box far from one end of water tank and extends outwardly, one end sliding that the outlet pipe extends is inserted with filter screen, one end of the filter screen is fixedly connected with fixed plug, the utility model passes through the setting of controller and exhaust fan, make Device can change according to humidity carries out auto-control, to improve the scope of application of sensor.

Description

A kind of constant humidity sensor

Technical field

The utility model belongs to sensor technical field, specially a kind of constant humidity sensor.

Background technique

General precision parts in the running, to make its normal operation, where environment must maintain constant temperature and constant humidity It under state, is overheated to avoid accurate parts or overly moist, and influences its precision.Especially chip used in high-tech now, In processing procedure, one layer of glue can be coated on chip can make if the environment of processing procedure cannot keep in the state of constant temperature and constant humidity Glue causes deficient manufacturing procedure because of the sometimes hot and sometimes cold generation fold of temperature, and influences the quality of chip.

But the internal structure of existing constant humidity sensor is relatively simple, sensor can not carry out automatic according to the variation of humidity Regulation has certain limitation to influence the scope of application of sensor.

Utility model content

The purpose of this utility model is to provide a kind of constant humidity sensors, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions:

A kind of constant humidity sensor, including main box are successively arranged hygrometer, controller and power supply, institute in the main box The output end for stating hygrometer is connected with the input terminal of controller, and the output end of the power supply is connected with the input terminal of controller, institute It states main box and is fixedly connected with water tank far from the interior bottom of controller side, the side of the water tank is equipped with inlet valve, the water The top of case is equipped with outlet pipe, and the outlet pipe is equipped with exhaust fan, the output end of the controller and the input terminal of exhaust fan Connection, the outlet pipe run through the inner top of main box far from one end of water tank and extend outwardly, and the one of the outlet pipe extension End sliding is inserted with filter screen, and one end of the filter screen is fixedly connected with fixed plug, the inner wall of the outlet pipe be equipped with Fixed to fill in corresponding socket, described fixed one end for filling in separate filter screen is through socket and extends outwardly, and the fixation is slided beyond the Great Wall Dynamic to be inserted with kelly, the outer wall of the main box is equipped with card slot corresponding with kelly.

Preferably, the humidity is calculated as aluminium oxide hygrometer.

Preferably, the controller is 80S51 controller.

Preferably, the input terminal of the hygrometer is arranged with protective net.

Preferably, the inner wall of the outlet pipe is equipped with slot corresponding with filter screen, pass through bullet in the slot Spring is connected with backing plate.

Preferably, the kelly is connected to cutting ferrule close to one end fixing sleeve of main box.

Compared with prior art, the utility model has the beneficial effects that hygrometer detects humidity value, then signal is sent To controller, then controller control exhaust fan work to extract steam in water tank out, and is exported, while mistake by outlet pipe Strainer can be filtered steam, when needing to clear up filter screen, first extract kelly out, then take out filter screen and cleared up, The utility model passes through the setting of controller and exhaust fan, changes device according to humidity and carries out auto-control, to mention The scope of application of sensor is risen.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is structural schematic diagram at the A of Fig. 1.

In figure: 1- main box, 2- hygrometer, 3- controller, 4- power supply, 5- water tank, 6- inlet valve, 7- outlet pipe, 8- row Fan, 9- filter screen, the fixed plug of 10-, 11- kelly, 12- spring, 13- backing plate, 14- cutting ferrule, 15 protective nets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of constant humidity sensor, including main box 1, main Hygrometer 2, controller 3 and power supply 4 are successively arranged in cabinet 1, the output end of hygrometer 2 is connected with the input terminal of controller 3, is used In sending controller 3 for humidity value, the output end of power supply 4 is connected with the input terminal of controller 3, for supplying for controller 3 Electricity, main box 1 are fixedly connected with water tank 5 far from the interior bottom of 3 side of controller, and for generating steam, the side of water tank 5 is equipped with Inlet valve 6, for supplying water to water tank 5, the top of water tank 5 is equipped with outlet pipe 7, and for exporting steam, outlet pipe 7 is equipped with row Fan 8, for steam to be discharged, the output end of controller 3 is connected with the input terminal of exhaust fan 8, for controlling exhaust fan 8, is discharged Pipe 7 runs through the inner top of main box 1 far from one end of water tank 5 and extends outwardly, and one end sliding that outlet pipe 7 extends was inserted with Strainer 9, for filtering steam, one end of filter screen 9 is fixedly connected with fixed plug 10, for fixing filter screen 9, outlet pipe 7 Inner wall, which is equipped with, fills in 10 corresponding sockets with fixed, and 10 one end far from filter screen 9 of fixed plug are through socket and extend outwardly, Gu Surely sliding is inserted with kelly 11 on plug 10, and the outer wall of main box 1 is equipped with card slot corresponding with kelly 11；Further, humidity Meter 2 is aluminium oxide hygrometer, enhances the sensitivity of hygrometer 2；Further, controller 3 is 80S51 controller, enhancing control The processing capacity of device 3；Further, the input terminal of hygrometer 2 is arranged with protective net 15, to protect hygrometer 2；Further , the inner wall of outlet pipe 7 is equipped with slot corresponding with filter screen 9, passes through spring 12 in slot and is connected with backing plate 13, to filtering Net 9 plays certain resilient support；Further, kelly 11 is connected to cutting ferrule 14 close to one end fixing sleeve of main box 1, prevents card Bar 11 falls off from fixed plug 10.

Working principle: hygrometer 2 detects humidity value, then sends signal to controller 3, then the control of controller 3 row Fan 8 works, to extract steam in water tank 5 out, and is exported by outlet pipe 7, while filter screen 9 can carry out steam Filter first extracts kelly 11 out, then takes out filter screen 9 and cleared up when needing to clear up filter screen 9.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of constant humidity sensor, including main box (1), it is characterised in that: be successively arranged hygrometer in the main box (1) (2), the output end of controller (3) and power supply (4), the hygrometer (2) is connected with the input terminal of controller (3), the power supply (4) output end is connected with the input terminal of controller (3), and the main box (1) is fixed far from the interior bottom of controller (3) side It being connected with water tank (5), the side of the water tank (5) is equipped with inlet valve (6), and the top of the water tank (5) is equipped with outlet pipe (7), The outlet pipe (7) is equipped with exhaust fan (8), and the output end of the controller (3) is connected with the input terminal of exhaust fan (8), institute The one end of outlet pipe (7) far from water tank (5) is stated through the inner top of main box (1) and is extended outwardly, the outlet pipe (7) extends One end sliding be inserted with filter screen (9), one end of the filter screen (9) is fixedly connected with fixed plug (10), the outlet pipe (7) inner wall is equipped with socket corresponding with plug (10) is fixed, and the fixed plug (10) is run through far from the one end of filter screen (9) inserts Mouth simultaneously extends outwardly, and slides and is inserted with kelly (11) on the fixed plug (10), the outer wall of the main box (1) is equipped with and card The corresponding card slot of bar (11).

2. a kind of constant humidity sensor according to claim 1, it is characterised in that: the hygrometer (2) is aluminium oxide humidity Meter.

3. a kind of constant humidity sensor according to claim 1, it is characterised in that: the controller (3) is 80S51 control Device.

4. a kind of constant humidity sensor according to claim 1, it is characterised in that: the input terminal of the hygrometer (2) is arranged There are protective net (15).

5. a kind of constant humidity sensor according to claim 1, it is characterised in that: the inner wall of the outlet pipe (7) is equipped with Slot corresponding with filter screen (9), the slot is interior to be connected with backing plate (13) by spring (12).

6. a kind of constant humidity sensor according to claim 1, it is characterised in that: the kelly (11) is close to main box (1) One end fixing sleeve be connected to cutting ferrule (14).