CN219285288U

CN219285288U - Testing device and production testing equipment

Info

Publication number: CN219285288U
Application number: CN202223464609.3U
Authority: CN
Inventors: 刘建华; 祝荣荣; 赵宇
Original assignee: Resvent Medical Technology Co Ltd
Current assignee: Resvent Medical Technology Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-30
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a testing device, which comprises a main control component, an acquisition component, an interface component and an alarm component, wherein the main control component is electrically connected with the alarm component, the interface component and the acquisition component respectively; the interface component is used for being connected with an external heating pipeline in an inserting mode to form a circuit; when the external heating pipeline is inserted into the interface component, the acquisition component is used for acquiring the voltage and the current of the circuit and sending the voltage and the current to the main control component; when the voltage and the current exceed a preset range, the main control component controls the alarm component to alarm. The technical scheme of the utility model can systematically detect whether the heating efficiency of the heating pipeline for the breathing machine is qualified in a large batch.

Description

Testing device and production testing equipment

Technical Field

The utility model relates to the technical field of heating pipeline testing, in particular to a testing device and production testing equipment.

Background

Existing respiratory heating circuits require systematic measurement of the electrical properties of the heater wire as it is being produced. The purpose of testing the electrical performance is to test the efficiency of the respiratory heating circuit to convert electricity into heat. The respiratory heating circuit is generally a two-wire heating circuit. Two-wire heating pipelines mainly have two designs. One is a self-contained temperature test resistor, namely a double heating wire and an in-tube temperature sensor, and the design can control the temperature accurately on a heating pipeline, but has higher cost; the other type is a pure heating wire type, only has a heating function, has low cost, cannot realize a self-testing function in the design, and needs an external device to test the heating efficiency of the pure heating wire type.

Disclosure of Invention

The utility model provides a testing device and production testing equipment, which can test the heating resistance value of an external breathing tube heating wire to reflect the heating efficiency of a heating pipeline.

In a first aspect, an embodiment of the present utility model provides a testing device, where the testing device is applied to a heating pipeline, and the testing device includes a main control component, an acquisition component, an interface component, and an alarm component, where the main control component is electrically connected with the alarm component, the interface component, and the acquisition component, respectively; the interface component is used for being connected with an external heating pipeline in an inserting mode to form a circuit; when the external heating pipeline is inserted into the interface component, the acquisition component is used for acquiring the voltage and the current of the circuit and sending the voltage and the current to the main control component; when the voltage and the current exceed a preset range, the main control component controls the alarm component to alarm.

Preferably, the collecting assembly comprises a current collector and a voltage collector, and the voltage collector is electrically connected with the main control assembly and the interface assembly and is used for collecting power supply voltage; the current collector is electrically connected with the main control assembly and is used for collecting working current.

Preferably, the main control assembly comprises a calculator and a judging device, wherein the calculator is used for calculating the resistance value of the heating wire of the heating pipeline according to the voltage and the current; and the judging device is used for judging whether to trigger an alarm according to the resistance value and a preset resistance value range.

Preferably, the testing device further comprises a man-machine interaction assembly, the man-machine interaction assembly comprises a display screen, the man-machine interaction assembly is electrically connected with the main control assembly, and the main control assembly generates testing data and then displays the testing data on the display screen.

Preferably, the testing device further comprises an electronic switch, the electronic switch is electrically connected with the main control component and the interface component, and the main control component uses the electronic switch to disconnect the electrical connection between the interface component and the acquisition component.

Preferably, the heating pipeline comprises a model tag, the testing device further comprises a detection assembly, the detection assembly is electrically connected with the main control assembly, and the detection assembly is used for detecting the model tag.

Preferably, the main control assembly further comprises a timer, wherein the timer is used for recording the energizing time after the heating pipeline is plugged into the circuit.

Preferably, the test apparatus further comprises a power supply assembly for supplying power to the circuit.

In a second aspect, an embodiment of the present utility model provides a production line apparatus, the production line apparatus comprising a production facility for producing the heating line and a testing device according to any one of the preceding claims for testing the heating line.

Preferably, the testing device further comprises a mechanical arm, the mechanical arm is electrically connected with the main control component, and the main control component utilizes the mechanical arm to plug the heating pipeline into the interface component.

Above-mentioned testing arrangement and production test equipment, during the use through two heating wires with external heating pipeline of pure heating wire formula peg graft in interface module, the ownerThe control component, the acquisition component, the interface component and the heating wire are connected to form a circuit loop, the acquisition component acquires the power supply voltage U and the working current I, and the working current I is controlled by R=U/I or R=P/I ² And calculating the resistance value of the heating wire according to the equation. The acquisition component transmits the acquired data to the main control component. The main control component has preset values such as rated power, resistance parameters, set error ranges and the like which are input manually, compares the preset values with the acquired parameters, and alarms if the preset values are exceeded. That is, it is considered that the heating efficiency of the heating wire exceeding the preset resistance range is too strong or too weak, and the heating pipe equipped with such heating wire is not compliant.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive labor for those skilled in the art.

Fig. 1 is a schematic diagram of an internal structure of a testing device according to an embodiment of the utility model.

Fig. 2 is a schematic diagram of an internal structure of the master control assembly shown in fig. 1.

Fig. 3 is a schematic diagram of an internal structure of a production line device according to an embodiment of the present utility model.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

For a clearer and more accurate understanding of the present utility model, reference will now be made in detail to the accompanying drawings. The accompanying drawings, in which like reference numerals refer to like elements, illustrate examples of embodiments of the utility model. It is to be understood that the proportions shown in the drawings are not to scale as to the actual practice of the utility model, and are for illustrative purposes only and are not drawn to scale.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating an internal structure of a testing apparatus 1000 according to an embodiment of the utility model. The testing device 1000 is applied to a heating pipeline 2000, the testing device 1000 comprises a main control component 1, an acquisition component 2, an interface component 3 and an alarm component 4, and the main control component 1 is respectively and electrically connected with the alarm component 4, the interface component 3 and the acquisition component 2; the interface component 3 is used for being connected with an external heating pipeline 2000 in an inserted mode to form a circuit; when the external heating pipeline 2000 is inserted into the interface component 3, the acquisition component 2 is used for acquiring the voltage and the current of the circuit and transmitting the voltage and the current to the main control component 1; when the voltage and the current exceed a preset range, the main control component 1 controls the alarm component 4 to alarm.

Specifically, the product is mainly directed to the two-wire heating pipeline 2000, and other products can be also applied.

Specifically, the alarm component 4 may be an acousto-optic and electric device such as a prompting lamp and a buzzer.

In summary, the heating wire of the two-wire heating pipeline 2000 and the interface assembly 3 form a circuit loop. The inserted heating wire is electrified, and the electrified acquisition assembly 2 acquires the voltage and current in the line; the main control assembly 1 calculates through the voltage and the current acquired by the acquisition assembly 2, calculates the resistance value of the heating wire, and when the calculated structure exceeds the preset range, the main control assembly 1 controls the alarm assembly 4 to alarm.

The testing device 1000 further comprises a man-machine interaction assembly 8, an electronic switch 6, a detection assembly 7 and a power supply assembly 5, wherein the man-machine interaction assembly 8 comprises a display screen 81, the man-machine interaction assembly 8 is electrically connected with the main control assembly 1, and the main control assembly 1 generates test data and then displays the test data on the display screen 81. The power supply assembly 5 is used for supplying power to the circuit. The electronic switch 6 is electrically connected with the main control assembly 1 and the interface assembly 3, and the main control assembly 1 uses the electronic switch 6 to disconnect the electrical connection between the interface assembly 3 and the acquisition assembly 2. The heating pipeline 2000 comprises a model tag 2001, the detecting component 7 is electrically connected with the main control component 1, and the detecting component 7 is used for detecting the model tag 2001.

Specifically, the electronic switch 6 and the power supply assembly 5 are connected in series in a circuit, and the man-machine interaction assembly 8 and the detection assembly 7 are connected with the main control assembly 1 as two independent modules.

Specifically, the human-computer interaction component 8 may be a touch screen or a mode of adding buttons to the screen, and specifically functions to provide a person with adjustment of parameters such as preset values, and select different input modes. The specific embodiments are not limited.

Specifically, the detecting component 7 is a device with a detecting function, such as a two-dimensional code scanning device, a color identifying device, and the like, and a model tag 2001 representing one type is attached to the external heating pipeline 2000, so that the detecting component 7 can identify the corresponding voltage or current to be provided and the preset value range to be determined.

The acquisition assembly 2 comprises a current collector 22 and a voltage collector 21, and the voltage collector 21 is electrically connected with the main control assembly 1 and the interface assembly 3 and is used for collecting power supply voltage; the current collector 22 is electrically connected to the main control assembly 1, and is configured to collect an operating current.

Specifically, the current collector 22 may be an ammeter, and the voltage collector 21 may be a voltmeter.

Referring to fig. 2, fig. 2 is a schematic diagram of an internal structure of the main control assembly. The master control assembly 1 comprises a timer 13, a calculator 11 and a determiner 12.

The calculator 11 is configured to calculate a resistance value of the heating wire of the heating pipeline 2000 according to the voltage and the current. Specifically, because the heating wire does work under the action of the current, the work is basically used for heating. The heating power of the heating wire at this time is calculated from p=ui, and then from r=u/I or r=p/I ² And calculating the resistance value of the heating wire. Wherein P is the heating power of the heating wire, U is the supply voltage and I is the working current. The judging device 12 is configured to judge whether to trigger an alarm according to the resistance value and a preset resistance value range. The timer 13 is used for recording the energizing time after the heating pipeline 2000 is plugged in to form a circuit. Specifically, the preset resistance range is set according to a standard resistance. The standard resistance is the resistance of the product in an ideal state. However, in practical situations, there may be some errors in the resistance of the product. Therefore, the preset resistance range is a range formed by floating the standard resistance up and down within a certain resistance error range. For example, the reference value is 50, the resistance error range is plus or minus 5, and the preset resistance range is 45 to 55. The heating wire exceeding the preset resistance value range represents that the temperature emitted during working is too high or too low and does not belong to a product with compliance.

Specifically, the heating wire inserted in the interface component 3 needs a certain time of current to achieve the heating effect, a timer 13 is set, the power-on time is calculated from the time of the heating wire insertion, and after the preset time is reached, the main control component 1 triggers the acquisition component 2 to acquire data. In other embodiments, the acquisition component 2 acquires in real time, and the calculator 11 is started to calculate after the timer 13 of the master control component 1 meets the preset time condition.

Referring to fig. 3, fig. 3 is a schematic diagram illustrating an internal structure of a production line apparatus according to an embodiment of the utility model.

The production line apparatus 10000 comprises a production apparatus for producing the heating line 2000 and a testing device 1000 according to any of the above, the testing device 1000 being for testing the heating line 2000.

Specifically, the test apparatus 1000 is employed in the present application by the test apparatus 1000 described above, and a description thereof will not be repeated here.

The testing device 1000 further includes a mechanical arm 3000, the mechanical arm 3000 is electrically connected to the main control assembly 1, and the main control assembly 1 uses the mechanical arm 3000 to insert and pull the heating pipeline 2000 into the interface assembly 3.

Specifically, the production line apparatus 10000 includes a mechanical arm 3000, where the mechanical arm 3000 is used to insert and pull the external heating pipe 2000 into and from the interface component 3, so as to improve efficiency and avoid repeated manual movement.

In the above embodiment, when in use, two electric heating wires of the external heating pipeline of the pure heating wire type are inserted into the interface component, the main control component, the acquisition component, the interface component and the electric heating wires are connected to form a circuit loop, the acquisition component acquires the power supply voltage U and the working current I, and the working current I is controlled by R=U/I or R=P/I ² And calculating the resistance value of the heating wire according to the equation. The acquisition component transmits the acquired data to the main control component. The main control component has preset values such as rated power, resistance parameters, set error ranges and the like which are input manually, compares the preset values with the acquired parameters, and alarms if the preset values are exceeded. I.e. heating wire exceeding the preset resistance rangeIs too strong or too weak, and a heating line equipped with such heating wires is not compliant.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, if and when such modifications and variations of the present utility model fall within the scope of the claims and the equivalents thereof, the present utility model is intended to encompass such modifications and variations.

The above list of preferred embodiments of the present utility model is, of course, not intended to limit the scope of the utility model, and equivalent variations according to the claims of the present utility model are therefore included in the scope of the present utility model.

Claims

1. The testing device is applied to a heating pipeline and is characterized by comprising a main control component, an acquisition component, an interface component and an alarm component, wherein the main control component is electrically connected with the alarm component, the interface component and the acquisition component respectively; the interface component is used for being connected with an external heating pipeline in an inserting mode to form a circuit; when the external heating pipeline is inserted into the interface component, the acquisition component is used for acquiring the voltage and the current of the circuit and sending the voltage and the current to the main control component; when the voltage and the current exceed a preset range, the main control component controls the alarm component to alarm.

2. The test device of claim 1, wherein the acquisition assembly comprises a current collector and a voltage collector, the voltage collector being electrically connected to the master control assembly and the interface assembly for collecting a supply voltage; the current collector is electrically connected with the main control assembly and is used for collecting working current.

3. The test device of claim 1, wherein the main control assembly comprises a calculator and a determiner, the calculator being configured to calculate a resistance value of the heating wire of the heating pipeline based on the voltage and the current; and the judging device is used for judging whether to trigger an alarm according to the resistance value and a preset resistance value range.

4. The test device of claim 3, further comprising a human-machine interaction assembly, wherein the human-machine interaction assembly comprises a display screen, wherein the human-machine interaction assembly is electrically connected with the main control assembly, and the main control assembly generates test data and displays the test data on the display screen.

5. The test device of claim 1, further comprising an electronic switch electrically connected to the master control assembly and the interface assembly, wherein the master control assembly uses the electronic switch to disconnect the electrical connection between the interface assembly and the collection assembly.

6. The test device of claim 1, wherein the heating circuit comprises a model tag, the test device further comprising a detection assembly electrically coupled to the master control assembly, the detection assembly configured to detect the model tag.

7. The test device of claim 1, wherein the master control assembly further comprises a timer for recording the length of time that power is applied after the heating circuit is plugged in.

8. The test apparatus of claim 1, further comprising a power supply assembly for supplying power to the circuit.

9. Production test apparatus for use in producing heating lines, characterized in that it comprises a production apparatus for producing the heating lines and a test device according to any one of claims 1-8 for testing the heating lines.

10. The production test apparatus of claim 9, wherein the test device further comprises a robotic arm electrically coupled to the master control assembly, the master control assembly utilizing the robotic arm to plug the heating conduit to the interface assembly.