CN207148579U - Full-automatic maximum hygroscopicits analyzer - Google Patents

Abstract

Full-automatic maximum hygroscopicits analyzer belongs to civil engineering test instrument；The mutual cooperation that this device passes through circuit assembly, motor, ultrasonic ultrasonic delay line memory, compressor, multiple electric fans and all kinds of multiple sensors, realize and automatically adjust soil sample ambient humidity and temperature, the cumbersome process that saturation potassium sulfate solution is continuously replenished needed for routine test is avoided, and the weight after soil sample water suction can regularly be weighed by miniature weighing and force-measuring transducer；This device structure is novel, reasonable, simple, realizes automated job, operates simple and convenient, saves operating personnel, and labor intensity is low, and maximum hygroscopicits measurement accuracy is high, and job run is reliable and stable.

Description

Full-automatic maximum hygroscopicits analyzer

Technical field

The utility model, which is created, belongs to civil engineering test instrument, relates generally to a kind of maximum hygroscopicits determining instrument.

Background technology

In civil construction design, the measure to the maximum hygroscopicits of the soil body is the technical foundation work that must be completed.Mesh Before, the measure of the maximum hygroscopicits of soil sample, mainly completed by man-made chamber, soil sample is placed on and fills saturation potassium sulfate solution Drier in, drier mouth covers tightly after smearing last layer vaseline, starts to weigh after three days, weighs one every 2 to 3 days later It is secondary, untill constant weight, a saturation potassium sulfate solution was changed every 2 to 3 days after one week.Its process exist operating efficiency it is low, Labor intensity is big, operating process is complicated, lost labor, meanwhile, traditional drier is easily influenceed by temperature change, hinders Soil hygroscopic process is normally carried out, and significant temperature change (such as temperature decline) can cause the capillary condensation of soil moisture, Very big influence is brought to measurement result.

Utility model content

The purpose that the utility model is created designs a kind of full-automatic maximum aiming at the above-mentioned problems of the prior art Hygroscopic moisture analyzer, reach operation simple and convenient, save artificial, reduction labor intensity, ensure soil sample maximum moisture absorption aquametry essence The purpose of degree.

What the purpose that the utility model is created was realized in：In device housing built with motor, operation room built with important actor, Important actor is fixedly mounted with motor, if equipped with humidity sensor, temperature sensor and dried layer pottery orifice plate on the important actor, in the pottery hole Some miniature weighing and force-measuring transducers are housed on plate, compressor, the compressor and condenser, steaming are housed in the device housing Device annular connection is sent out, the evaporator is protected in device hull outside, the outside condenser equipped with fan II and apertured elastic thermal insulation Adiabator, it be furnished with water leg, automatic drain valve II, water tank II and delivery port below condenser, by apertured elastic adiabatic heat-insulation Material and device housing surround operation room, and chamber is communicated with the device housing, and ultrasonic atomization is housed in the connection chamber Device and automatic drain valve I, are sequentially arranged with heating wire and fan I from bottom to up above the ultrasonic ultrasonic delay line memory, it is described from The dynamic top of draining valve I is equipped with water tank I, and liquid level sensor is housed in the water tank I, control circuit is equipped with the device housing Assembly, the control circuit assembly is by single chip control unit, general purpose I/O, LCDs, button, drive module, modulus of conversion Block, the LCDs are connected by general purpose I/O with single chip control unit, and button connects with single chip control unit, are surpassed Sonic nebulizers, compressor, motor, electric fan I, electric fan II, heating wire are connected by drive module with single chip control unit, micro- Type weighing and force-measuring transducer, liquid level sensor, humidity sensor, temperature sensor pass through modular converter and single chip control unit Connection.

The utility model creation structure is novel, reasonable, simple, realizes full-automatic operation, operates simple and convenient, saving Operating personnel, labor intensity is low, and soil sample hygroscopic moisture measurement accuracy is high, and job run is reliable and stable.

Brief description of the drawings

Fig. 1 is full-automatic maximum hygroscopicits analyzer general structure schematic diagram；

Fig. 2 is control circuit assembly structural representation；

Fig. 3 pottery orifice plates and miniature weighing and force-measuring transducer structural representation；

Piece number explanation in figure：

1st, device housing, 2, button, 3, water tank I, 4, liquid level sensor, 5, automatic drain valve I, 6, ultrasonic ultrasonic delay line memory, 7, Fan I, 8, heating wire, 9, motor, 10, compressor, 11, delivery port, 12, water tank II, 13, automatic drain valve II, 14, evaporation Device, 15, condenser, 16, fan II, 17, apertured elastic heat-insulating material, 18, temperature sensor, 19, humidity sensor, 20th, make pottery orifice plate, 21, miniature weighing and force-measuring transducer, 22, single chip control unit, 23, modular converter, 24, drive module, 25, General purpose I/O, 26, circuit assembly, 27, important actor, 28, LCDs, 29, water leg, 30, connection chamber, 31, operation room.

Embodiment

Embodiment is created to the utility model below in conjunction with the accompanying drawings to be described in detail.A kind of full-automatic maximum hygroscopicits Analyzer, it is characterised in that：In device housing (1) built with motor (9), operation room (31) is built with important actor (27), important actor (27) It is fixedly mounted with motor (9), equipped with humidity sensor (19), temperature sensor (18) and if dried layer pottery orifice plate on the important actor (27) (20) some miniature weighing and force-measuring transducers (21), are housed on the pottery orifice plate (20), equipped with pressure in the device housing (1) Contracting machine (10), the compressor (10) are connected with condenser (15), evaporator (14) annular, and the evaporator (14) is in device housing (1) it is outside, it is furnished with fan II (16) and apertured elastic heat-insulating material (17) on the outside of the condenser (15), in condenser (15) lower section is furnished with water leg (29), automatic drain valve II (13), water tank II (12) and delivery port (11), adiabatic by apertured elastic Insulation material (17) and device housing (1) surround operation room (31), chamber (30) are communicated with device housing (1) intracavitary, in institute State in connection chamber (30) and ultrasonic ultrasonic delay line memory (6) and automatic drain valve I (5) be housed, the ultrasonic ultrasonic delay line memory (6) top from Under it is supreme be sequentially arranged with heating wire (8) and fan I (7), water tank I (3) is housed above the automatic drain valve I (5), described Liquid level sensor (4) is housed in water tank I (3), control circuit assembly (26), the control electricity are equipped with the device housing (1) Road assembly (26) is by single chip control unit (22), general purpose I/O (25), LCDs (28), button (2), drive module (24), modular converter (23) is formed, and the LCDs (28) is connected by general purpose I/O (25) and single chip control unit (22) Logical, button (2) connects with single chip control unit (22), ultrasonic ultrasonic delay line memory (6), compressor (10), motor (9), electric fan I (7), electric fan II (16), heating wire (8) are connected by drive module (24) with single chip control unit (22), miniature dynamometry of weighing Sensor (21), liquid level sensor (4), humidity sensor (19), temperature sensor (18) pass through modular converter (23) and monolithic Machine control unit (22) connects.

Detection by the aluminium box equipped with soil sample in use, be placed on the miniature weighing and force-measuring transducer (21) on pottery orifice plate (20) On, the humidity and temperature needed for soil sample are inputted by button (2), after inputting single chip control unit (22), led to by preset program Cross modular converter (23) and start liquid level sensor (4), humidity sensor (19) and temperature sensor (18).Liquid level sensor (4), Humidity sensor (19) and the signal of temperature sensor (18) feedback will be by circuit assemblies (26) respectively by the liquid of water tank I (3) Position situation, the humidity condition in operation room (31), the temperature conditions in operation room (31) are reacted on LCDs (28).If Water level deficiency, then to water tank I (2) Zhong Jiashui.Automatic drain valve I (5) can automatically control enters connection chamber (30) by water tank I (3) Water, and keep connect chamber (30) interior constant level.If operation room (31) interior humidity is less than preset value, controlled by single-chip microcomputer Unit (22) starts ultrasonic ultrasonic delay line memory (6) by drive module (24) and fan I (7), the steam by atomization pass through fan I Into operation room (31).Single chip control unit (22) by drive module (24) start motor (9) drive important actor (27) and its On pottery orifice plate (20) slowly rotate, cause operation room (31) water smoke to be evenly distributed.Operation room if (31) interior temperature is less than default Value, then heating wire (8) and fan I (7) are started by drive module (24) by single chip control unit (22).If operation room (31) Interior humidity is higher than preset value, starts compressor (10) and fan II by drive module (24) by single chip control unit (22) (16), fan II (16) is outside by operation room (31) by apertured elastic heat-insulating material (17) by the steam of operation room (31) To take out, steam runs into condenser (15) liquefaction, is confluxed by water leg (29), is collected by automatic drain valve (13) into water tank II (12), Discharged by delivery port (11).If operation room (31) interior temperature is higher than preset value, driving is passed through by single chip control unit (22) Module (24) starts compressor (10) and the air Jing Guo condenser (15) precooling is passed through band by fan II (16), fan II (16) Hole elasticity heat-insulating material (17) blows into operation room (31).By preset program, in certain intervals single chip control unit (22) start miniature weighing and force-measuring transducer (21) by conversion module (23) repeatedly to weigh to the weight of soil sample, until permanent Untill weight.When soil sample weight, constant weight is constant outside the default period, then passes through drive module by single chip control unit (22) (24) start heating wire (8) and fan I (7), soil sample is dried.By preset program, in certain intervals single chip control unit (22) start miniature weighing and force-measuring transducer (21) by conversion module (23) repeatedly to weigh to the weight of soil sample, until permanent Untill weight, experiment terminates, and its experimental result is calculated by the preset program of single chip control unit (22), by general purpose I/O (25), It is shown on LCDs (28).

Claims (1)

1. A kind of 1. full-automatic maximum hygroscopicits analyzer, it is characterised in that：In device housing (1) built with motor (9), operation room (31) be fixedly mounted with built with important actor (27), important actor (27) with motor (9), on the important actor (27) equipped with humidity sensor (19), Temperature sensor (18) and if dried layer pottery orifice plate (20), some miniature weighing and force-measuring transducers are housed on pottery orifice plate (20) (21), compressor (10), the compressor (10) and condenser (15), evaporator (14) ring are housed in the device housing (1) Shape connects, and the evaporator (14) is outside in device housing (1), is furnished with fan II (16) and bullet with holes on the outside of the condenser (15) Property heat-insulating material (17), equipped with water leg (29), automatic drain valve II (13), water tank II (12) below the condenser (15) With delivery port (11), operation room (31) is surrounded by apertured elastic heat-insulating material (17) and device housing (1), in the device housing (1) intracavitary is communicated with chamber (30), and ultrasonic ultrasonic delay line memory (6) and automatic drain valve I (5) are housed in the connection chamber (30), Heating wire (8) and fan I (7) are sequentially arranged with from bottom to up above the ultrasonic ultrasonic delay line memory (6), in the automatic drain valve Water tank I (3) is housed above I (5), liquid level sensor (4) is housed in the water tank I (3), is equipped with the device housing (1) Control circuit assembly (26), the control circuit assembly (26) is by single chip control unit (22), general purpose I/O (25), liquid crystal Display screen (28), button (2), drive module (24), modular converter (23) composition, the LCDs (28) pass through general purpose I/O (25) being connected with single chip control unit (22), button (2) connects with single chip control unit (22), ultrasonic ultrasonic delay line memory (6), Compressor (10), motor (9), electric fan I (7), electric fan II (16), heating wire (8) are controlled by drive module (24) and single-chip microcomputer Unit (22) connects, miniature weighing and force-measuring transducer (21), liquid level sensor (4), humidity sensor (19), temperature sensor (18) connected by modular converter (23) with single chip control unit (22).