CN108020407A - A kind of Product design evaluation device - Google Patents

Abstract

The invention discloses a product design evaluation device, which comprises a box body, the opening of the box body faces upward, and a cover plate is fixed on the upper end of the box body, and a waterproof switch fixing seat is fixed on the middle position of the inner bottom surface of the box body. The upper part of the inner rear side is connected to the rear end of the adjustment plate through a horizontal adjustment device, and the front end of the lower surface of the adjustment plate is fixedly connected to the upper end of the electric telescopic rod. By changing the air pressure in the box, the water pressure of the water in the box is changed. This product design The evaluation device is small in size and easy to operate, and can simulate the working conditions of the waterproof switch under different water depths. The PLC controller controls the electric heating plate to heat the water in the box to the set temperature to ensure that the test results of the evaluation device designed for this product are reliable. The adjusting device adjusts the positions of the pressure sensor and the rubber pad, so that the product design evaluation device can test different waterproof switches, and the versatility of the product design evaluation device is improved.

Description

A product design evaluation device

technical field

The invention relates to the technical field of waterproof switches, in particular to a product design evaluation device.

Background technique

As ocean development continues to heat up, divers are doing more and more underwater operations. Divers use a variety of marine instruments and equipment when working underwater, and some of the electrical equipment requires divers to perform switch operations underwater, so a waterproof switch that can be used underwater is required.

In the existing waterproof switch design process, there is no special equipment to test the service life of the waterproof switch, which affects the test efficiency of the waterproof switch.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the existing defects and provide a product design evaluation device, which changes the water pressure of the water in the cabinet by changing the air pressure in the cabinet. The product design evaluation device is small in size and easy to operate, and can Simulate the working conditions of the waterproof switch under different water depths; the horizontal adjustment device adjusts the position of the pressure sensor and the rubber pad, so that the design and evaluation device of this product can test different waterproof switches, improve the versatility of the design and evaluation device of this product, and improve the Designing and evaluating the test efficiency of the device can effectively solve the problems in the background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a product design evaluation device, including a box, the opening of the box is upward, and the upper end of the box is fixed with a cover plate, and the middle position of the inner bottom of the box is fixed. There is a waterproof switch fixing seat. The upper part of the rear side of the box is connected to the rear end of the adjustment plate through a horizontal adjustment device. The front end of the lower surface of the adjustment plate is fixedly connected to the upper end of the electric telescopic rod. The surface is fixedly connected, the left end of the inner bottom of the box is fixed with a water pressure sensor, the right side of the box is fixed with an air pump and a PLC controller, the air pump is located above the PLC controller, the air outlet of the air pump and the inlet of the one-way valve The air outlet of the one-way valve and the upper air inlet on the right side of the box are connected through the conduit, the input end of the PLC controller is electrically connected with the output end of the external power supply, and the input end of the PLC controller is respectively connected to the water pressure The output ends of the sensor and the pressure sensor are electrically connected, and the output ends of the PLC controller are respectively electrically connected with the input ends of the electric telescopic rod and the air pump.

As a preferred technical solution of the present invention, an electric heating sheet and a temperature sensor are fixed on the right end of the inner bottom surface of the box, the input end of the electric heating sheet is electrically connected to the output end of the PLC controller, and the output end of the temperature sensor is connected to the PLC controller. The input terminal of the controller is electrically connected.

As a preferred technical solution of the present invention, the lateral adjustment device includes a U-shaped plate, the U-shaped plate is fixed on the upper part of the inner rear side of the box, the opening of the groove of the U-shaped plate faces the front side, and the concave opening of the U-shaped plate The groove and the rear end of the adjusting plate are slidingly connected, the upper surface of the U-shaped plate is provided with a rectangular through hole along the left and right direction, the rectangular through hole is slidingly connected with the lower end of the side of the screw, the lower end of the screw is fixedly connected with the upper surface of the adjusting plate, and the upper end of the screw and nut threaded connection.

As a preferred technical solution of the present invention, the air outlet on the cover plate communicates with the air inlet of the electric control valve, and the input end of the electric control valve is electrically connected with the output end of the PLC controller.

As a preferred technical solution of the present invention, a rubber pad is fixed on the lower surface of the pressure sensor, and the rubber pad is located above the waterproof switch fixing seat.

Compared with the prior art, the beneficial effect of the present invention is: the evaluation device designed for this product can change the hydraulic pressure of the water in the tank by changing the air pressure in the tank, the designed evaluation device for this product is small in size and easy to operate, and can simulate different The working condition of the waterproof switch under the water depth; the PLC controller controls the electric heating plate to heat the water in the box to the set temperature to ensure the reliability of the test results of the product design and evaluation device; the horizontal adjustment device adjusts the position of the pressure sensor and the rubber pad, so that The product design evaluation device can test different waterproof switches, which improves the versatility of the product design evaluation device.

Description of drawings

Fig. 1 is a schematic diagram of the installation structure of the present invention;

Fig. 2 is an enlarged schematic diagram of the structure at A of the present invention.

In the figure: 1 electric control valve, 2 cover plate, 3 electric telescopic rod, 4 one-way valve, 5 air pump, 6 PLC controller, 7 electric heating plate, 8 temperature sensor, 9 horizontal adjustment device, 91 U-shaped plate, 92 rectangular channel Holes, 93 screw rods, 94 nuts, 10 box bodies, 11 adjustment plates, 12 rubber pads, 13 waterproof switch fixing seats, 14 water pressure sensors, 15 pressure sensors.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-2, the present invention provides a technical solution: a product design evaluation device, including a box body 10, the opening of the box body 10 faces upwards, and the upper end of the box body 10 is fixed with a cover plate 2, the cover plate 2 The air outlet on the top is connected with the air inlet of the electric control valve 1, and the middle position of the inner bottom surface of the box body 10 is fixed with a waterproof switch fixing seat 13, and a waterproof switch is fixed on the waterproof switch fixing seat 13, and the staff injects into the box body 10 Water, the waterproof switch is completely submerged in water, the upper part of the inner rear side of the box body 10 is connected with the rear end of the adjustment plate 11 through the horizontal adjustment device 9, the front end of the lower surface of the adjustment plate 11 is fixedly connected with the upper end of the electric telescopic rod 3, and the electric telescopic The lower end of the rod 3 is fixedly connected to the upper surface of the pressure sensor 15, the lower surface of the pressure sensor 15 is fixed with a rubber pad 12, the rubber pad 12 is located above the waterproof switch fixing seat 13, and the electric telescopic rod 3 drives the pressure sensor 15 and the rubber pad 12 Move up and down periodically along the vertical direction, the left end of the inner bottom surface of the box body 10 is fixed with a water pressure sensor 14 , and the right end of the inner bottom surface of the box body 10 is fixed with an electric heating sheet 7 and a temperature sensor 8 .

The right side of the box body 10 is fixed with an air pump 5 and a PLC controller 6, and the PLC controller 6 controls the electric heating plate 7 to heat the water in the box body 10 to a set temperature to ensure that the test results of the product design and evaluation device are reliable. The air pump 5 is located above the PLC controller 6, the air outlet of the air pump 5 communicates with the air inlet of the one-way valve 4 through a conduit, and the air outlet of the one-way valve 4 communicates with the air inlet on the upper right side of the box body 10 through a conduit , the PLC controller 6 controls the work of the air pump 5, the air pump 5 increases the air pressure in the box body 10, so that the water pressure in the box body 10 rises to different set values, the input terminal of the PLC controller 6 and the external power supply The output terminals of the PLC controller 6 are electrically connected to the output terminals of the water pressure sensor 14, the temperature sensor 8 and the pressure sensor 15 respectively, and the output terminals of the PLC controller 6 are respectively connected to the electric control valve 1 and the electric telescopic rod 3. The electric heating plate 7 is electrically connected to the input end of the air pump 5. By changing the air pressure in the tank 10, the water pressure of the water in the tank 10 is changed. The design and evaluation device of this product is small in size and easy to operate, and can simulate different water depths. Check the working condition of the waterproof switch.

Horizontal adjusting device 9 comprises U-shaped plate 91, and U-shaped plate 91 is fixed on the upper part of casing 10 interior rear side, and the groove opening of U-shaped plate 91 is towards the front side, and the groove of U-shaped plate 91 and the adjustment plate 11 The rear end is slidingly connected, and the upper surface of the U-shaped plate 91 is provided with a rectangular through hole 92 along the left and right direction, and the rectangular through hole 92 is slidingly connected with the lower end of the side of the screw rod 93, and the lower end of the screw rod 93 is fixedly connected with the upper surface of the adjustment plate 11, and the screw rod 93 The upper end and the nut 94 are threaded, and the horizontal adjustment device 9 adjusts the position of the pressure sensor 15 and the rubber pad 12, so that the product design evaluation device can test different waterproof switches, and the versatility of the product design evaluation device is improved.

The PLC controller 6 controls the electric control valve 1, the electric telescopic rod 3, the electric heating sheet 7 and the air pump 5, which are all conventional means in the prior art.

When in use: the staff fixes the designed waterproof switch on the waterproof switch fixing seat 13, the staff adjusts the position of the adjustment plate 11 through the horizontal adjustment device 9 so that the rubber pad 12 is located above the waterproof switch, and the staff moves toward the box body 10 Water is injected inside, and the staff fixes the cover plate 2 on the upper surface of the box body 10 .

The input end of the PLC controller 6 is electrically connected to the output end of the waterproof switch so as to detect the state of the waterproof switch. The PLC controller 6 detects the water pressure in the casing 10 through the water pressure sensor 14. The PLC controller 6 controls the work of the air pump 5, and the air pump 5. Make the air pressure in the box body 10 rise, so that the water pressure in the box body 10 rises to different set values, and test the working performance of the waterproof switch under different water depths. The electric telescopic rod 3 drives the pressure sensor 15 and the rubber pad 12 Move up and down periodically along the vertical direction to test the service life of the waterproof switch.

The PLC controller 6 detects the temperature of the water in the box body 10 through the temperature sensor 8, and the PLC controller 6 controls the electric heating sheet 7 to heat the water in the box body 10 to a set temperature to ensure the test result.

In the present invention, by changing the air pressure in the tank 10 to change the hydraulic pressure of the water in the tank 10, the product design and evaluation device is small in size so that it is easy to operate, and can simulate the working conditions of the waterproof switch under different water depths; PLC controller 6 controls The electric heating sheet 7 heats the water in the box body 10 to a set temperature to ensure that the test results of the product design evaluation device are reliable; the lateral adjustment device 9 adjusts the positions of the pressure sensor 15 and the rubber pad 12, so that the product design evaluation device can be Different waterproof switches are tested to improve the versatility of the product design evaluation device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of Product design evaluation device, including babinet (10), it is characterised in that：The babinet (10) it is opening up, and The upper end of babinet (10) is fixed with cover board (2), and the centre position of babinet (10) inner bottom surface is fixed with water proof switch fixed seat (13), the top in babinet (10) inner back side face is connected by lateral adjustment device (9) with the rear end of adjustable plate (11), adjustable plate (11) front end of lower surface is fixedly connected with the upper end of electric telescopic rod (3), the lower end of electric telescopic rod (3) and pressure sensor (15) upper surface is fixedly connected, and the left end of babinet (10) inner bottom surface is fixed with hydraulic pressure sensor (14), the right side of babinet (10) Side is fixed with air pump (5) and PLC controller (6), and air pump (5) is located at the top of PLC controller (6), the gas outlet of air pump (5) Connected with the air inlet of check valve (4) by conduit, the gas outlet of check valve (4) and the air inlet on babinet (10) right flank top Connected by conduit, the input terminal of PLC controller (6) and the output terminal of external power supply are electrically connected, the input of PLC controller (6) The output terminal respectively with hydraulic pressure sensor (14) and pressure sensor (15) is held to be electrically connected, the output terminal difference of PLC controller (6) It is electrically connected with the input terminal of electric telescopic rod (3) and air pump (5).

A kind of 2. Product design evaluation device according to claim 1, it is characterised in that：Babinet (10) inner bottom surface Right end be fixed with electric heating sheets (7) and temperature sensor (8), the input terminals of electric heating sheets (7) and PLC controller (6) it is defeated Outlet is electrically connected, and the output terminal of temperature sensor (8) and the input terminal of PLC controller (6) are electrically connected.

A kind of 3. Product design evaluation device according to claim 1, it is characterised in that：The lateral adjustment device (9) Including U-board (91), U-board (91) is fixed on the top in babinet (10) inner back side face, the slot opening direction of U-board (91) Front side, and the rear end of the groove of U-board (91) and adjustable plate (11) is slidably connected, the upper surface of U-board (91) is in left-right direction Equipped with rectangular through-hole (92), rectangular through-hole (92) is connected with the lower slide of screw rod (93) side, the lower end of screw rod (93) and tune Section plate (11) upper surface is fixedly connected, and the upper end of screw rod (93) and nut (94) are threadedly coupled.

A kind of 4. Product design evaluation device according to claim 1, it is characterised in that：Outlet on the cover board (2) Mouth is connected with the air inlet of motor-operated control valve (1), and the input terminal of motor-operated control valve (1) and the output terminal of PLC controller (6) are electrically connected Connect.

A kind of 5. Product design evaluation device according to claim 1, it is characterised in that：The pressure sensor (15) Lower surface is fixed with rubber pad (12), and rubber pad (12) is located at the top of water proof switch fixed seat (13).