Instant electric water heater test board

Abstract

The utility model discloses a testboard for an instant electric water heater. The testboard comprises a testboard body, a detection unit, a water supply unit and an adjusting unit. The detection unit is mounted on the test board and is used for detecting the voltage, current, temperature and water flow change of the test board; the water supply unit is mounted on the test board and is used for providing a water source for the detection pipeline; the adjusting unit is installed on the test bench and used for being suitable for electric water heaters of different specifications. Wherein the adjusting unit comprises a driving part, a limiting part and a movable part; the driving part is mounted on the test board and is used for driving the movable part to move; the limiting piece is installed on the test bench and used for fixing one end of the electric water heater. The electric water heater testing device is reasonable in structure, the movable part is matched with electric water heaters of different specifications, multiple groups of electric water heaters can be tested synchronously, and testing time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric water heater testing, in particular to a testing platform for instant electric water heaters. Background Art

[0002] An electric water heater is a water heater that uses electricity as energy for heating. It is one of the three major water heaters along with gas water heaters and solar water heaters. Electric water heaters can be divided into three types according to the heating power: storage type (also known as volumetric type or heat storage type), instant heating type, and quick heating type (also known as semi-storage type).

[0003] When performing performance testing on existing electric water heaters, since different specifications use different data tests, the test bench needs to be adapted to electric water heaters of different specifications. A solution is proposed below to address the above problem. Utility Model Content

[0004] The utility model aims to provide an instant electric water heater test bench to solve the problem required for testing electric water heaters of different specifications.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] The instant electric water heater test bench comprises a test bench, a detection unit, a water supply unit and an adjustment unit; the detection unit is installed on the test bench to detect the voltage, current, temperature and water flow changes of the test bench; the water supply unit is installed on the test bench to provide water source to the detection pipeline; the adjustment unit is installed on the test bench to be suitable for electric water heaters of different specifications; wherein the adjustment unit comprises a driving part, a limiting part and a movable part; the driving part is installed on the test bench to drive the movable part to move; the limiting part is installed on the test bench to fix one end of the electric water heater; the movable part is installed on one side of the limiting part to fix the other end of the electric water heater.

[0007] Preferably, the driving member is a servo motor.

[0008] Preferably, the movable part comprises a screw and a movable block, the screw is connected to the output end of the servo motor, a limiting groove is provided on the movable block, and the screw and the movable block are threadedly matched.

[0009] Preferably, the limiting member is a fixed block, a groove is formed on the fixed block, the groove and the electric water heater are tightly fitted with each other, the screw passes through the fixed block, and the screw and the fixed block do not contact each other.

[0010] Preferably, the detection unit includes a voltmeter, an ammeter, a water inlet temperature detector, a water outlet temperature detector and an electromagnetic flowmeter. The water inlet temperature detector is installed on the water inlet end of the electric water heater, the water outlet temperature detector is installed on the water outlet end of the electric water heater, the ammeter and voltmeter are both installed on a test bench, and the electromagnetic meter is installed on the water inlet end of the electric water heater.

[0011] Preferably, the test bench is also equipped with an alarm, and the alarm is installed on the test bench.

[0012] Preferably, the water supply unit comprises a control pump and a conduit, the control pump is placed in the test bench, and the conduit is connected to the water inlet end of the electric water heater.

[0013] Beneficial effects: The electric water heater is placed on the test bench, and the water supply unit provides the water source required for the test. The distance between the movable parts and the fixed parts is adjusted to meet the needs of electric water heaters of different specifications. At the same time, multiple groups of electric water heaters can be tested synchronously, thereby improving the efficiency of testing multiple groups of data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment;

[0015] Figure 2 is a cross-sectional view of an embodiment for showing a detection unit;

[0016] Figure 3 It is a cross-sectional view of an embodiment for showing a movable part and a fixed part;

[0017] Figure 4 It is a schematic diagram of a part of the structure of the embodiment for demonstrating observation from the rear side.

[0018] Figure numerals: 1. test bench; 2. detection unit; 3. water supply unit; 4. adjustment unit; 5. servo motor; 6. screw; 7. movable block; 8. fixed block; 9. voltmeter; 10. ammeter; 11. water inlet temperature detector; 12. water outlet temperature detector; 13. electromagnetic flowmeter; 14. alarm; 15. control pump; 16. catheter. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0023] This embodiment provides a test bench 1 for instant electric water heaters. Figures 1 to 4 As shown, it includes a test bench 1, a detection unit 2, a water supply unit 3 and an adjustment unit 4; the detection unit 2 is installed on the test bench 1, and is used to detect the voltage, current, temperature and water flow changes of the test bench 1; the water supply unit 3 is installed on the test bench 1, and is used to provide water source to the detection pipeline; the adjustment unit 4 is installed on the test bench 1, and is used to adapt to electric water heaters of different specifications; wherein the adjustment unit 4 includes a driving part, a limiting part and a movable part; the driving part is installed on the test bench 1, and is used to drive the movable part to move; the limiting part is installed on the test bench 1, and is used to fix one end of the electric water heater; the movable part is installed on one side of the limiting part, and is used to fix the other end of the electric water heater.

[0024] With the above basic structure, the driving element is a servo motor 5 .

[0025] With the above basic structure, the movable part includes a screw rod 6 and a movable block 7. The screw rod 6 is connected to the output end of the servo motor 5. A limiting groove is provided on the movable block 7. The screw rod 6 and the movable block 7 are threadedly matched.

[0026] During the installation process, after the servo motor 5 is driven, the output shaft of the servo motor 5 drives the screw 6 to transmit, and the movable block 7 slides in the limit groove on the test bench 1, thereby adjusting the position between the movable block 7 and the fixed block 8 to adapt to the installation of electric water heaters of different sizes.

[0027] With the above basic structure, the limiting member is a fixed block 8, a groove is provided on the fixed block 8, the groove and the electric water heater are clamped together, the screw rod 6 passes through the fixed block 8, and the screw rod 6 and the fixed block 8 do not contact each other.

[0028] A through hole larger than the axial diameter of the screw 6 is provided on the fixed block 8. During the transmission of the screw 6, the fixed block 8 is not affected. The groove is in a cross shape. The back mounting end of the electric water heater also has a cross protrusion, which cooperates with the groove. The movable block 7 also has a groove of the same shape as the fixed block 8, which is used to cooperate with the back mounting end of the electric water heater. When installing, one end of the electric water heater is clamped on the fixed block 8, and the other end of the electric water heater is clamped by moving the movable block 7.

[0029] Using the above-mentioned basic structure, the detection unit 2 includes a voltmeter 9, an ammeter 10, an inlet water temperature detector 11, an outlet water temperature detector 12 and an electromagnetic flowmeter 13. The inlet water temperature detector 11 is installed on the water inlet end of the electric water heater, the outlet water temperature detector 12 is installed on the water outlet end of the electric water heater, the ammeter 10 and the voltmeter 9 are both installed on the test bench 1, and the electromagnetic metering machine is installed on the water inlet end of the electric water heater.

[0030] The water inlet temperature detector 11 and the water outlet temperature detector 12 detect the water sources flowing in and out, the electromagnetic flowmeter 13 detects the flow rate of the water discharged by the electric water heater, and at the same time, the voltmeter 9 and the ammeter 10 monitor the voltage and current of each electric water heater being tested to ensure the requirements of test data analysis.

[0031] With the above infrastructure, an alarm 14 is also installed on the test bench 1. The alarm 14 is installed on the test bench 1. When a fault or test problem occurs, an alarm can be issued immediately to warn the surrounding testers and give timely notification.

[0032] With the above basic structure, the water supply unit 3 includes a control pump 15 and a conduit 16. The control pump 15 is placed in the test bench 1, and the conduit 16 is connected to the water inlet of the electric water heater. The control pump 15 transmits water to the electric water heater through the conduit 16, and the transmission test preparation has been carried out.

[0033] The electric water heater is placed on the test bench 1, and the water supply unit 3 provides the water source required for the test. The distance between the movable parts and the fixed parts is adjusted to meet the needs of electric water heaters of different specifications. At the same time, multiple groups of electric water heaters can be tested synchronously, thereby improving the efficiency of testing multiple groups of data.

[0034] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. Instant electric water heater test bench, characterized in that: It comprises a test bench (1), a detection unit (2), a water supply unit (3) and a regulating unit (4); The detection unit (2) is installed on the test bench (1) and is used to detect changes in voltage, current, temperature and water flow of the test bench (1); The water supply unit (3) is installed on the test bench (1) and is used to provide water to the detection pipeline; The adjustment unit (4) is installed on the test bench (1) and is used to adapt to electric water heaters of different specifications; wherein the adjustment unit (4) comprises a driving part, a limiting part and a movable part; The driving member is installed on the test bench (1) and is used to drive the movable member to move; The limiting member is installed on the test bench (1) and is used to fix one end of the electric water heater; The movable part is installed on one side of the limiting part and is used to fix the other end of the electric water heater.

2. The instant electric water heater test bench according to claim 1, characterized in that: The driving member is a servo motor (5).

3. The instant electric water heater test bench according to claim 2, characterized in that: The movable part comprises a screw rod (6) and a movable block (7); the screw rod (6) is connected to the output end of the servo motor (5); a limiting groove is provided on the movable block (7); and the screw rod (6) and the movable block (7) are threadedly matched.

4. The instant electric water heater test bench according to claim 3, characterized in that: The limiting member is a fixed block (8), a groove is formed on the fixed block (8), the groove and the electric water heater are tightly fitted with each other, the screw rod (6) passes through the fixed block (8), and the screw rod (6) and the fixed block (8) do not contact each other.

5. The instant electric water heater test bench according to claim 1, characterized in that: The detection unit (2) comprises a voltmeter (9), an ammeter (10), a water inlet temperature detector (11), a water outlet temperature detector (12) and an electromagnetic flowmeter (13); the water inlet temperature detector (11) is installed on the water inlet end of the electric water heater; the water outlet temperature detector (12) is installed on the water outlet end of the electric water heater; the ammeter (10) and the voltmeter (9) are both installed on the test bench (1); and the electromagnetic flowmeter (13) is installed on the water inlet end of the electric water heater.

6. The instant electric water heater test bench according to claim 1, characterized in that: The test bench (1) is also equipped with an alarm (14), and the alarm (14) is installed on the test bench (1).

7. The instant electric water heater test bench according to claim 1, characterized in that: The water supply unit (3) comprises a control pump (15) and a conduit (16); the control pump (15) is placed in the test bench (1); and the conduit (16) is connected to a water inlet end of the electric water heater.

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