CN211402019U

CN211402019U - Test device capable of automatically finishing constant-mass drying treatment

Info

Publication number: CN211402019U
Application number: CN201922100552.0U
Authority: CN
Inventors: 刘献业; 华改霞; 王善亮; 刘民荣
Original assignee: Shandong Hefu Engineering Testing Co ltd
Current assignee: Shandong Hefu Engineering Testing Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-01
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a test device capable of automatically finishing constant-mass drying treatment, which comprises a box body, wherein an environment box, a temperature control device and a weighing device are respectively arranged in the box body, the temperature control device is used for adjusting the temperature in the environment box, so that the constant temperature is achieved in the environment box, and the weighing device is used for continuously weighing the mass of a sample; the weighing device is characterized by further comprising a control device, and the control device controls the temperature control device to adjust the temperature of the environment box through a quality signal fed back by the weighing device. The test device can automatically complete the test of constant-quality drying treatment of the sample, greatly save the time and energy of test personnel, improve the automation level of the test and avoid unnecessary resource waste.

Description

Test device capable of automatically finishing constant-mass drying treatment

Technical Field

The invention relates to a test device, in particular to a test device capable of automatically finishing constant-mass drying treatment.

Background

The constant-mass drying treatment test is a mode of carrying out mass balance treatment on a material sensitive to an environmental condition, the material is placed in a specified temperature environment for drying treatment until the weight is constant, and testers need to carry out continuous measurement for many times according to a specified time interval until the difference between the two weighing processes does not exceed a specified value. Like this permanent dry processing process needs tester many times continuous manual measurement, and the tester operation also can arouse the fluctuation of dry environment, and in addition, produces the scald danger to tester easily when drying temperature is higher. The test process consumes a great deal of time and energy of the testers, and unnecessary resource waste is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a test capable of automatically finishing constant-mass drying treatment so as to save labor and improve the test level.

The invention is realized by the following technical scheme:

a test device capable of automatically finishing constant-mass drying treatment comprises a box body, wherein an environment box, a temperature control device and a weighing device are respectively arranged in the box body, the temperature control device is used for adjusting the temperature in the environment box so as to enable the temperature in the environment box to be constant, and the weighing device is used for continuously weighing the mass of a sample; the weighing device is characterized by further comprising a control device, and the control device controls the temperature control device to adjust the temperature of the environment box through a quality signal fed back by the weighing device.

The test device capable of automatically finishing the constant-mass drying treatment tests the quality of the sample through the weighing device, feeds the test result back to the control device, and controls the temperature control device through the test result to enable the environment box to reach the stable environment temperature, so that the automation degree is high.

Preferably, the box body comprises a weighing box, an environment box and a temperature control box from top to bottom in sequence, and the weighing box, the environment box and the temperature control box are all closed box bodies.

Preferably, the front of environment case is equipped with the heat preservation door, the outside of environment case and heat preservation door all wraps up insulation material.

Preferably, the weighing apparatus comprises a scale secured within a scale box, the bottom of the scale being provided with a hook extending from to the environmental box and connected to a weighing tray inside the environmental box.

Preferably, the temperature control device comprises a heating unit and a temperature controller fixed in the temperature control box, the heating unit is connected with the temperature controller, and the temperature controller is positioned below the environment box.

Preferably, the control device comprises a control module and a control panel, and the control panel is installed outside the box body and is electrically connected with the control module inside the box body; and the control module is also electrically connected with the weighing device and the heating unit respectively.

Preferably, the control device further comprises a temperature sensor fixed inside the environmental chamber and electrically connected to the control module.

Preferably, a scavenging valve is arranged above the side surface of the environment box and is electrically connected with the control module

The invention has the beneficial effects that: the test device can automatically complete the test of constant-quality drying treatment of the sample, greatly save the time and energy of test personnel, improve the automation level of the test and avoid unnecessary resource waste.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a front view of a testing apparatus for automatically performing a constant-mass drying process according to an embodiment of the present invention;

FIG. 2 is a top view of the testing apparatus of FIG. 1 capable of automatically performing a constant mass drying process;

FIG. 3 is a left side view of the testing apparatus of FIG. 1 capable of automatically performing a constant-mass drying process.

In the attached drawing, 1, a weighing box, 2, an environment box, 3, a temperature control box, 4, a control device, 5, a weighing device, 6, two trays, 7, a temperature sensor, 8, a ventilation valve, 9, a heating unit, 10, a temperature controller, 11, a handle and 12, a box body are arranged.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The test device capable of automatically completing the constant-mass drying treatment comprises a box body 12, wherein an environment box 2, a temperature control device and a weighing device 5 are respectively arranged in the box body 12, the temperature control device is used for adjusting the temperature in the environment box 2 so as to enable the environment box 2 to reach a constant temperature, and the weighing device 5 is used for continuously weighing the mass of a sample; the automatic weighing device also comprises a control device 4, and the control device controls the temperature control device to adjust the temperature of the environment box through a quality signal fed back by the weighing device.

In this embodiment, the box down includes scale case, environment case and temperature control box from last in proper order, and scale case, environment case and temperature control box are the closed box. The front of environment case is equipped with the heat preservation door, the outside of environment case and heat preservation door has all wrapped up insulation material, and handle 11 is installed in the outside of heat preservation door.

In this embodiment, the weighing device 5 comprises a scale fixed in a weighing chamber, the bottom of the scale being provided with a hook extending from the bottom to the environment chamber and connected to a weighing tray 6 inside the environment chamber. The temperature control device comprises a heating unit 9 and a temperature controller which are fixed in a temperature control box, wherein the heating unit 9 is connected with the temperature controller, and the temperature controller is positioned below the environment box 2.

In this embodiment, the control device 4 includes a control module and a control panel, and the control panel is installed outside the box body and electrically connected to the control module inside the box body; the input end of the control module is electrically connected with the weighing device, and the output end of the control module is electrically connected with the heating unit electricity 9. The control device 4 further comprises a temperature sensor 7, the temperature sensor 7 being fixed inside the environmental chamber 2 and being electrically connected to the input of the control module. And a scavenging valve 8 is arranged above the side surface of the environment box 2, the scavenging valve 8 is electrically connected with the output end of the control module, and the scavenging valve 8 is used for regulating the temperature in the environment box 2.

The working principle of the test device is as follows:

when a sample is subjected to a constant-mass drying treatment test, an operator sets the temperature of an environment box 2 required by sample drying, constant-mass weighing calculation interval time and a constant-mass result judgment condition through a control panel of a control device 4 before the test, a heating unit 9 is turned on in advance to adjust the temperature, a temperature sensor 7 collects the actual temperature of the environment box 2 and feeds the actual temperature back to the control device 4, the control device 4 carries out logic judgment processing according to a temperature feedback signal, an instruction is sent to control the action of the heating unit 9, the temperature reaches the requirement, the operator opens the environment box 2 through a handle 11, the sample is placed in a weighing tray 6 in the environment box 2, the weighing device 5 starts weighing action, the control device 4 collects an information feedback signal of the weighing device 5, the control device 4 carries out automatic logic calculation according to the preset instruction to judge whether the constant-mass condition is reached, and after the constant-mass condition, the operator ends the test according to the prompt.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a can accomplish test device of permanent matter drying process automatically which characterized in that: the environment-friendly weighing device comprises a box body, wherein an environment box, a temperature control device and a weighing device are respectively arranged in the box body, the temperature control device is used for adjusting the temperature in the environment box, so that the temperature in the environment box is constant, and the weighing device is used for continuously weighing the mass of a sample; the weighing device is characterized by further comprising a control device, and the control device controls the temperature control device to adjust the temperature of the environment box through a quality signal fed back by the weighing device.

2. The testing device capable of automatically performing a constant-mass drying process according to claim 1, wherein: the box down includes scale case, environment case and temperature control box from last in proper order, and scale case, environment case and temperature control box are the closed box.

3. The testing device capable of automatically performing a constant-mass drying process according to claim 2, wherein: the front of environment case is equipped with the heat preservation door, the outside of environment case and heat preservation door all wraps up insulation material.

4. The testing device capable of automatically performing a constant-mass drying process according to claim 2, wherein: the weighing device comprises a scale fixed in a scale box, wherein a lifting hook is arranged at the bottom of the scale and extends to the environment box and is connected with a weighing tray in the environment box.

5. The testing device capable of automatically performing a constant-mass drying process according to claim 2, wherein: the temperature control device comprises a heating unit and a temperature controller which are fixed in a temperature control box, the heating unit is electrically connected with the temperature controller, and the temperature controller is positioned below the environment box.

6. The testing device capable of automatically performing a constant-mass drying process according to claim 1, wherein: the control device comprises a control module and a control panel, and the control panel is arranged outside the box body and is electrically connected with the control module inside the box body; and the control module is also electrically connected with the weighing device and the heating unit respectively.

7. The testing device capable of automatically performing constant-mass drying according to claim 6, wherein: the control device also comprises a temperature sensor which is fixed inside the environment box and is electrically connected with the control module.

8. The testing device capable of automatically performing constant-mass drying according to claim 6, wherein: and a scavenging valve is arranged above the side surface of the environment box and is electrically connected with the control module.