A comprehensive testing device for WPTC performance

Abstract

The present application relates to the technical field of testing device, specifically relates to a kind of WPTC performance comprehensive testing device, including temperature control water tank, first pipeline, second electromagnetic valve, first temperature sensor, WPTC, second pipeline, second temperature sensor, first electromagnetic valve, water pump and radiator;When measuring WPTC heat exchange capacity, according to the different power of WPTC, make the water in temperature control water tank to the required temperature, WPTC inside valve opens, and its heat is scattered to the outside through radiator, realize the balance of energy, the first temperature sensor and the second temperature sensor measure corresponding water temperature respectively, and the enthalpy value under corresponding temperature can be obtained by checking water property table, the size of heat exchange capacity can be calculated by setting the mass flow of water through heat transfer formula, the size of WPTC heat exchange capacity is obtained, the temperature of heating water in temperature control water tank can be adjusted according to the different working power state of different WPTC products, and then testing is carried out respectively, and wide temperature range test is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing devices, in particular to a WPTC performance comprehensive testing device. BACKGROUND

[0002] The WPTC product is a water heater (Water Positive Coefficient, WPTC for short) product. After the WPTC product is produced, the heat exchange capacity of the WPTC product needs to be tested. At present, all WPTC manufacturers and system manufacturers use simple single testing devices, which cannot test different working power states of different products and cannot realize wide temperature range testing. SUMMARY

[0003] The purpose of the present application is to provide a WPTC performance comprehensive testing device which can test different working power states of different WPTC products and realize wide temperature range testing.

[0004] To achieve the above purpose, the present application provides a WPTC performance comprehensive testing device, which comprises a temperature control water tank, a first pipeline, a second electromagnetic valve, a first temperature sensor, a WPTC, a second pipeline, a second temperature sensor, a first electromagnetic valve, a water pump and a radiator.

[0005] The first pipeline and the temperature control water tank are in communication and located on one side of the temperature control water tank; the second electromagnetic valve and the first pipeline are fixedly connected and located on one side of the first pipeline; the first temperature sensor and the first pipeline are fixedly connected and located on one side of the first pipeline; the WPTC and the first pipeline are in communication and located at an end of the first pipeline away from the temperature control water tank; the second pipeline and the WPTC are in communication and located on one side of the WPTC away from the first pipeline; the second temperature sensor and the second pipeline are fixedly connected and located on one side of the second pipeline; the first electromagnetic valve and the second pipeline are fixedly connected and located on one side of the second pipeline; the water pump and the second pipeline are in communication and located at an end of the second pipeline away from the WPTC; and the radiator is in communication with the water pump and the temperature control water tank and located between the water pump and the temperature control water tank.

[0006] The WPTC performance comprehensive testing device further comprises a brushless fan, which is arranged on the side of the radiator.

[0007] The WPTC performance comprehensive testing device further comprises a control center, which is electrically connected with the temperature control water tank, the second electromagnetic valve, the first temperature sensor, the second temperature sensor, the water pump, the first electromagnetic valve and the radiator, respectively.

[0008] The temperature control water tank comprises a box body, a middle partition plate, a control valve mechanism, two heating pipes and two third temperature sensors.

[0009] The temperature control water tank further comprises a plurality of porous flow distribution plates.

[0010] The control valve mechanism comprises a rack, a door body, a motor and a gear.

[0011] The control valve mechanism further comprises a flexible sealing mechanism.

[0012] The first pipeline and the second pipeline are used for conveying water, and the first electromagnetic valve and the second electromagnetic valve are used for controlling the on-off of the second pipeline and the first pipeline respectively. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

[0014] Figure 1 is a structural schematic diagram of a WPTC performance comprehensive test device of the present application.

[0015] Figure 2 is a structural schematic diagram of a partition plate and a control valve mechanism of the present application.

[0016] Figure 3 is a structural schematic diagram of a door body and a flexible sealing mechanism of the present application.

[0017] Figure 4 is a structural schematic diagram of a porous flow uniformizing plate of the present application.

[0018] Figure 5 is a structural schematic diagram of a water pump of the present application.

[0019] Figure 6 is a sectional view of the water pump of the present application.

[0020] 1-temperature control water tank, 2-first pipeline, 3-second electromagnetic valve, 4-first temperature sensor, 5-WPTC, 6-second pipeline, 7-second temperature sensor, 8-first electromagnetic valve, 9-water pump, 10-radiator, 11-brushless fan, 12-control center, 13-tank body, 14-partition plate, 15-control valve mechanism, 16-heating pipe, 17-third temperature sensor, 18-porous flow uniformizing plate, 91-mounting plate, 92-pump body, 93-bidirectional threaded screw rod, 94-sliding block, 95-clamping piece, 151-rack, 152-door body, 153-motor, 154-gear, 155-flexible sealing mechanism, 951-side plate, 952-top plate, 953-screw rod, 954-wear-resistant pad. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, in the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0023] Referring to Figures 1-6 The present application provides a kind of WPTC performance comprehensive test device: including temperature control water tank 1, first pipeline 2, second electromagnetic valve 3, first temperature sensor 4, WPTC 5, second pipeline 6, second temperature sensor 7, first electromagnetic valve 8, water pump 9 and radiator 10;

[0024] The first pipeline 2 and the temperature control water tank 1 are communicated, and are located in one side of the temperature control water tank 1;The second electromagnetic valve 3 and the first pipeline 2 are fixedly connected, and are located in one side of the first pipeline 2;The first temperature sensor 4 and the first pipeline 2 are fixedly connected, and are located in one side of the first pipeline 2;The WPTC 5 and the first pipeline 2 are communicated, and are located in the end of the first pipeline 2 away from the temperature control water tank 1;The second pipeline 6 and the WPTC 5 are communicated, and are located in one side of the WPTC 5 away from the first pipeline 2;The second temperature sensor 7 and the second pipeline 6 are fixedly connected, and are located in one side of the second pipeline 6;The first electromagnetic valve 8 and the second pipeline 6 are fixedly connected, and are located in one side of the second pipeline 6;The water pump 9 and the second pipeline 6 are communicated, and are located in the end of the second pipeline 6 away from the WPTC 5;The radiator 10 is communicated with the water pump 9 and the temperature control water tank 1 respectively, and is located between the water pump 9 and the temperature control water tank 1.

[0025] In the embodiment, the first pipeline 2 and the second pipeline 6 are used for conveying water, the first electromagnetic valve 8 and the second electromagnetic valve 3 are respectively used for controlling the opening and closing of the second pipeline 6 and the first pipeline 2, when the heat exchange capacity of the WPTC 5 is measured, according to different power of the WPTC 5, the water in the temperature control water tank 1 is heated to the required temperature, the valve in the WPTC 5 is opened, and the heat generated by the WPTC 5 is dissipated to the outside through the radiator 10, so as to realize the balance of energy, the first temperature sensor 4 and the second temperature sensor 7 respectively measure the corresponding water temperature T1 and T2, and the enthalpy values at the corresponding temperatures h1 and h2 can be obtained by referring to the water property table, the water pump 9 sets the mass flow of water as m, and the heat exchange capacity can be calculated through the heat transfer formula, that is, heat exchange capacity (Q) = enthalpy difference (h2-h1) * mass flow (m), so as to calculate the heat exchange capacity of the WPTC 5; the temperature of the heated water in the temperature control water tank 1 can be adjusted according to different working power states of different WPTC 5 products, and then the test is carried out respectively, so as to realize the wide temperature range test.

[0026] Further, the WPTC performance comprehensive test device further comprises a brushless fan 11; the brushless fan 11 is arranged at the side of the radiator 10.

[0027] In the embodiment, the brushless fan 11 is used for cooperating with the radiator 10 to dissipate heat of water.

[0028] Further, the WPTC performance comprehensive test device further comprises a control center 12, and the control center 12 is electrically connected with the temperature control water tank 1, the second electromagnetic valve 3, the first temperature sensor 4, the second temperature sensor 7, the water pump 9, the first electromagnetic valve 8 and the radiator 10 respectively.

[0029] In the embodiment, the control center 12 is used for controlling the temperature control water tank 1, the second electromagnetic valve 3, the first temperature sensor 4, the second temperature sensor 7, the water pump 9, the first electromagnetic valve 8 and the radiator 10 respectively.

[0030] Further, the temperature control water tank 1 comprises a tank body 13, a partition plate 14, a control valve mechanism 15, two heating pipes 16 and two third temperature sensors 17; the tank body 13 is in communication with the first pipeline 2 and the radiator 10 respectively and is located between the first pipeline 2 and the radiator 10; the partition plate 14 is fixedly connected with the tank body 13 and is located inside the tank body 13; the control valve mechanism 15 is arranged at the side of the partition plate 14; two heating pipes 16 are fixedly connected with the tank body 13 respectively and are located on both sides of the partition plate 14; two third temperature sensors 17 are fixedly connected with the tank body 13 respectively and are located inside the tank body 13 respectively.

[0031] In the embodiment, the heating pipes 16 control the input power through PWM, linearly adjust the power size and realize the control of the initial water temperature set arbitrarily. The partition plate 14 divides the internal space of the tank body 13, the two third temperature sensors 17 test and feed back the water temperature on both sides of the partition plate 14 to the control center 12 respectively, the temperature of the internal solution can be controlled respectively, and the two heating pipes 16 heat the water on both sides of the partition plate 14 respectively.

[0032] The partition plate 14 is provided with a through hole for the water flow on both sides of the partition plate 14, the control valve mechanism 15 is used for blocking the through hole of the partition plate 14, realizing the control of the connection and blockage of the water on both sides of the partition plate 14, when the temperature rise rate needs to be measured, the control valve mechanism 15 is controlled to close the through hole of the partition plate 14, the target water temperature is set, the control center 12 opens the heating pipes 16 according to the target water temperature and adjusts the power size through PWM, the real-time water temperature is dynamically tested and fed back to the control center 12, the control center 12 calculates through PLC according to the data of the measured value and the target value, outputs the signal and adjusts the heating power size of the heating pipes 16 through PWM, so as to meet the set water temperature requirement.

[0033] Further, the temperature control water tank 1 further comprises a plurality of porous flow equalization plates 18; a plurality of porous flow equalization plates 18 are fixedly connected with the tank body 13 respectively and are located inside the tank body 13 respectively.

[0034] In the embodiment, a plurality of circular holes are uniformly distributed on the porous flow equalization plate 18, which can increase the internal water flow turbulence to improve the heat exchange efficiency. The circular holes with uniform diameters on the porous flow equalization plate 18 are arranged in a staggered manner, which increases the turbulence and makes the flow resistance lowest.

[0035] Further, the control valve mechanism 15 comprises a rack 151, a door body 152, a motor 153 and a gear 154; the rack 151 is slidably connected with the partition plate 14 and located at the side of the partition plate 14; the door body 152 is fixedly connected with the rack 151 and located at the side of the rack 151; the motor 153 is fixedly connected with the partition plate 14 and located at the side of the partition plate 14; the gear 154 is fixedly connected with the output end of the motor 153 and engaged with the rack 151, and located at the side of the motor 153. The control valve mechanism 15 further comprises a flexible sealing mechanism 155; the flexible sealing mechanism 155 is fixedly connected with the door body 152 and located at the side of the door body 152.

[0036] In the embodiment, the motor 153 drives the gear 154 to rotate, the gear 154 drives the rack 151 to move, the rack 151 drives the door body 152 to move, the door body 152 can close the through hole on the partition plate 14, and the flow of water passing through the through hole of the partition plate 14 is adjusted. The flexible sealing mechanism 155 can move left and right under the action of water pressure to realize the function of self-adaptive sealing.

[0037] Further, the water pump 9 comprises a mounting plate 19, a pump body 92, a bidirectional screw rod 93, two sliding blocks 94 and two clamping pieces 95; the pump body 92 is communicated with the second pipeline 6 and the radiator 10 respectively and located at the top of the mounting plate 19; the bidirectional screw rod 93 is rotatably connected with the mounting plate 19 and located at one side of the mounting plate 19; the two sliding blocks 94 are slidably connected with the mounting plate 19 respectively and threadedly connected with the bidirectional screw rod 93 respectively and located at the sides of the bidirectional screw rod 93 respectively; the two clamping pieces 95 are fixedly connected with the two sliding blocks 94 respectively and located at the tops of the two sliding blocks 94 respectively.

[0038] In the embodiment, the pump body 92 is used for conveying water, the mounting plate 19 is used for supporting the pump body 92, the mounting plate 19 is provided with a sliding groove matched with the sliding block 94, the two ends of the bidirectional screw rod 93 are provided with external threads with opposite screw directions, in use, the mounting plate 19 is fixed at a mounting site, then the pump body 92 is placed on the mounting plate 19, the bidirectional screw rod 93 is rotated in the forward direction, the bidirectional screw rod 93 drives the two sliding blocks 94 to move close to each other, the two sliding blocks 94 drive the two clamping pieces 95 to move close to the pump body 92, the pump body 92 is clamped and fixed, when the pump body 92 is disassembled, the bidirectional screw rod 93 is reversed to release the limiting of the pump body 92, through the above manner, the pump body 92 can be conveniently fixed and disassembled.

[0039] Further, the clamping piece 95 comprises a side plate 951, a top plate 952, a screw rod 953 and an anti-abrasion pad 954; the side plate 951 is fixedly connected with the sliding block 94 and located on the top of the sliding block 94; the top plate 952 is fixedly connected with the side plate 951 and located on the top of the side plate 951; the screw rod 953 is threadedly connected with the top plate 952 and penetrates through the top plate 952; the anti-abrasion pad 954 is fixedly connected with the screw rod 953 and located on the side of the screw rod 953 close to the pump body 92.

[0040] In the embodiment, the side plate 951 can limit the side edge of the pump body 92, the top plate 952 can limit the top of the pump body 92, the screw rod 953 is rotated to move longitudinally on the top plate 952, the screw rod 953 drives the anti-abrasion pad 954 to move downward to press and fix the pump body 92 on the mounting plate 19, and the fixing effect of the pump body 92 is improved.

[0041] The above only discloses one preferred embodiment of the present application, and of course cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned processes can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope of the present application.

Claims

1. A comprehensive performance testing device for WPTC, characterized in that, It includes a temperature-controlled water tank, a first pipeline, a second solenoid valve, a first temperature sensor, a WPTC, a second pipeline, a second temperature sensor, a first solenoid valve, a water pump, and a radiator; The first pipeline is connected to the temperature-controlled water tank and is located on one side of the temperature-controlled water tank; the second solenoid valve is fixedly connected to the first pipeline and is located on one side of the first pipeline; The first temperature sensor is fixedly connected to the first pipeline and is located on one side of the first pipeline; The WPTC is connected to the first pipeline and is located at the end of the first pipeline away from the temperature-controlled water tank; the second pipeline is connected to the WPTC and is located on the side of the WPTC away from the first pipeline. The second temperature sensor is fixedly connected to the second pipeline and is located on one side of the second pipeline; The first solenoid valve is fixedly connected to the second pipeline and is located on one side of the second pipeline; The water pump is connected to the second pipeline and is located at the end of the second pipeline away from the WPTC; the radiator is connected to both the water pump and the temperature-controlled water tank and is located between the water pump and the temperature-controlled water tank; the temperature-controlled water tank includes a tank body, a partition plate, a control valve mechanism, two heating tubes, and two third temperature sensors; the tank body is connected to both the first pipeline and the radiator and is located between the first pipeline and the radiator; the partition plate is fixedly connected to the tank body and is located inside the tank body; the control valve mechanism is located on the side of the partition plate; the two heating tubes are fixedly connected to the tank body and are located on both sides of the partition plate; the two third temperature sensors are fixedly connected to the tank body and are located inside the tank body; the temperature-controlled water tank also includes multiple perforated flow equalization plates; the multiple perforated flow equalization plates are fixedly connected to the tank body and are located inside the tank body.

2. The WPTC performance comprehensive testing device as described in claim 1, characterized in that, The WPTC performance comprehensive testing device also includes a brushless fan; the brushless fan is located on the side of the radiator.

3. The WPTC performance comprehensive testing device as described in claim 2, characterized in that, The WPTC performance comprehensive testing device also includes a control center, which is electrically connected to the temperature-controlled water tank, the second solenoid valve, the first temperature sensor, the second temperature sensor, the water pump, the first solenoid valve, and the radiator.

4. The WPTC performance comprehensive testing device as described in claim 3, characterized in that, The control valve mechanism includes a rack, a gate body, a motor, and a gear; the rack is slidably connected to the partition plate and located on the side of the partition plate; the gate body is fixedly connected to the rack and located on the side of the rack; the motor is fixedly connected to the partition plate and located on the side of the partition plate; the gear is fixedly connected to the output end of the motor and meshes with the rack, and is located on the side of the motor.

5. The WPTC performance comprehensive testing device as described in claim 4, characterized in that, The control valve mechanism also includes a flexible sealing mechanism; the flexible sealing mechanism is fixedly connected to the door body and is located on the side of the door body.

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