CN220872070U

CN220872070U - Three-way valve function test device

Info

Publication number: CN220872070U
Application number: CN202322668538.7U
Authority: CN
Inventors: 赵大猛; 赵建宁
Original assignee: Zhuhai Sunway Injection Mold Co ltd
Current assignee: Zhuhai Sunway Injection Mold Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-30
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to the technical field of three-way valve detection, in particular to a three-way valve function testing device, which comprises a rack, wherein a host assembly is arranged at the top of the rack and used for controlling the whole device; the surface of the frame is also provided with a water-through detection assembly, one side of the water-through detection assembly is also provided with a drainage assembly, and the drainage assembly is used for drainage work; the surface mounting of frame has the detection base, and the detection product has been placed at the top of this detection base, frame surface just is located the left and right, back and the upper portion of detection base and all is provided with quick-press mechanism, the bottom of frame still is provided with water supply assembly. The utility model not only avoids the missed judgment caused by manual operation, but also greatly reduces the outflow of defective products from the market, and has simple manual detection means, and can not accurately and comprehensively judge the functions of the products.

Description

Three-way valve function test device

Technical Field

The utility model relates to the technical field of short, in particular to a three-way valve function testing device.

Background

The electromagnetic water valve is used in water-passing small household appliances such as water purifiers, water dispensers, tea making machines, coffee machines and the like, the pressure bearing and sealing quality are particularly important in application occasions needing to be connected with a tap water pipeline, and strict quality control is required for pipeline switching, pipeline water outlet and the like.

The existing three-way valve is manually operated during testing, and is easy to miss judgment and misjudge during manual operation, so that defective products are greatly increased to flow out of the market; moreover, the manual detection means is simple, and the functions of the product cannot be accurately and comprehensively judged, so that great trouble is brought to the use of people.

Disclosure of utility model

The utility model aims to provide a three-way valve function testing device, which solves the problems that in the background technology, when manual operation is proposed, missed judgment is easy to occur, wrong judgment cannot be carried out, and the functions of a product cannot be accurately and comprehensively judged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the three-way valve function testing device comprises a rack, wherein a host assembly is arranged at the top of the rack and used for controlling the whole device; the surface of the rack is also provided with a water-through detection assembly, the water-through detection assembly consists of electromagnetic water valves, a water tank main body and liquid sensors, the electromagnetic water valves are provided with two groups, the two groups of electromagnetic water valves are fixedly connected to the surface of the rack, the surface of the rack is fixedly provided with the water tank main body with an indicator lamp, the surface of the water tank main body is fixedly connected with the two groups of liquid sensors, and the liquid sensors are used for detection work; a drainage assembly is further arranged on one side of the water passing detection assembly and is used for drainage work; the surface of the frame is fixed with a detection base, a detection product is placed at the top of the detection base, quick pressing mechanisms are arranged on the surface of the frame and positioned at the left, right, back and upper parts of the detection base, and the quick pressing mechanisms are used for detecting quick pressing work of the product; the bottom of frame still is provided with water supply assembly, and this water supply assembly is used for supplying water work.

Preferably, the host assembly comprises a PLC control unit, an industrial control screen, a voltage ammeter, an indicator light alarm unit and a safety grating induction unit, wherein the PLC control unit is arranged on the surface of the frame, and the industrial control screen and the voltage ammeter are embedded on the surface of the frame.

Preferably, an indicator light alarm unit is fixed on the surface of the stand and below the voltmeter, and is used for alarming, and safety grating sensing units are fixed on two sides of the surface of the stand and are used for safety detection.

Preferably, the quick pressing mechanism is composed of air cylinders and quick pressing clamps, the air cylinders are provided with four groups, the four groups of air cylinders are respectively arranged on the surface of the frame through fixing seats, the output ends of the air cylinders are fixedly provided with the quick pressing clamps, and the quick pressing clamps are used for pressing detection products.

Preferably, the water supply assembly comprises a water storage tank, a servo water pump, an air cooler, a digital display pressure gauge, a filter and a controllable regulating valve, wherein the water storage tank is fixedly connected to the surface of the frame, the servo water pump is installed on one side of the water storage tank, and the servo water pump is mutually communicated with the water storage tank through a pipeline.

Preferably, the surface of the frame is also fixed with an air cooler, the air cooler is mutually communicated with the servo water pump through a pipeline, a filter is fixedly connected to one side of the surface of the frame and positioned on the air cooler through a bolt, the filter is communicated with the air cooler through a pipeline, the other end of the filter is communicated with the water storage tank through a three-way pipeline, and meanwhile, the other end of the three-way pipeline is provided with a controllable regulating valve, a digital display pressure gauge is fixed on the controllable regulating valve through a pipeline, and the digital display pressure gauge is mutually communicated with a detection product through a pipeline.

Preferably, the drainage assembly is composed of an electromagnetic air valve, a one-way air valve and a three-way electromagnetic water valve, wherein the one-way air valve is fixedly connected to the surface of the frame, the one-way air valve is provided with the electromagnetic air valve through a pipeline, the electromagnetic air valve is mutually communicated with a detection product through a pipeline, the three-way electromagnetic water valve is provided with two groups, the two groups of three-way electromagnetic water valves are fixedly connected to the top end of the water tank main body, and the three-way electromagnetic water valve is mutually communicated with the water storage tank through a pipeline.

Compared with the prior art, the utility model has the beneficial effects that:

1. the electromagnetic water valve is used in small household appliances through which water flows, the bearing and sealing quality is particularly important in application occasions needing to be connected with a tap water pipeline, and strict quality control is needed for pipeline switching, pipeline water outlet and other characteristics;

2. The device is provided with functional plates such as a main machine component, a water supply detection component, a quick-pressure mechanism, a water supply component, a water discharge component and the like; the main machine component is a main control part of the device, and is used for programmed coordination control of other functional component mechanisms to act, water channel switching, water outlet state and water channel sealing performance detection are carried out on the product, product test data are collected, and qualification judgment is finally carried out;

3. The special household water supply state imitating functional module-water supply assembly is internally provided with a PLC control unit which can control the running strength of the servo water pump in real time and cooperate with the pressure value fed back by the digital display pressure gauge to realize accurate regulation and control of high and low water pressure, and when water continuously circulates, the air cooler can cool down to keep the water temperature constant. The water pipe is divided into two paths, the main path flows back to the water storage tank through the water pipe, the branch path passes through the controllable regulating valve through the water pipe, then flows to the digital display pressure gauge through the water pipe, and finally flows to the electromagnetic water valve through the water pipe, and finally is communicated with the water inlet of the product. The servo water pump can regulate and control independently to realize stable water pressure, so that low-pressure stable water supply can be realized, and high-pressure stable water supply can also be realized. The PLC control unit can adjust the water flow to the water inlet of the product through the controllable adjusting valve, and the water supply assembly can provide accurate control under two test conditions of the water pressure and the water flow of the product;

4. The device is characterized in that the contact part of the product water gap is specially designed, the quick-pressure clamp main body is connected with the air cylinder, the bearing gas circuit/waterway is connected, and a water pipe is connected in the central direction of the product water gap. The two sides of the quick clamping head are provided with movable round guide posts, the other ends of the guide posts are locked with square transparent pressure heads, springs are sleeved outside the guide posts and act as quick clamping fixtures in the process of pushing the quick clamping heads towards the water gap of the product, the pressure heads can continuously apply elastic extrusion force to the quick clamping heads of the product, so that the water pipe is inserted into the complete withdrawal process, and the quick clamping heads are in an extruded state and cannot clamp the water pipe;

5. The device can reflect the actual water outlet look and feel of the household appliance in the testing process, and the water tank main body is windowed in a special way, and the water receiving pipe at the water outlet of the product is guided into the water tank main body, so that operators can intuitively observe the water shape. In addition, the electrostatic sensor is innovatively used, the U-shaped groove of the sensor flows through water, whether water flows through can be detected, whether water channel switching is successful can be judged, the high-speed response characteristic of the sensor can accurately identify intermittent poor flow interruption phenomenon, the sensor is not provided with a rotor Hall element, the water flow is not interfered by a detection part in the whole waterway, in addition, the liquid level sensor can adjust the sensitivity of the sensor, the water shape can be identified, and whether the product has poor flow interruption phenomenon of a pipeline is judged.

Drawings

FIG. 1 is a schematic view of a three-dimensional left-side structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional right-side structure of the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure of the present utility model;

FIG. 4 is a schematic diagram of a main view of the utility model;

Fig. 5 is an enlarged schematic view of the quick-press mechanism of the present utility model.

In the figure: 1. a frame; 2. a host component; 21. a PLC control unit; 22. an industrial control screen; 23. a voltmeter; 24. an indicator light alarm unit; 25. a safety grating sensing unit; 3. a water-through detection assembly; 31. an electromagnetic water valve; 32. a water tank main body; 33. a liquid sensor; 4. a quick-press mechanism; 41. a cylinder; 42. a quick press clamp; 5. a water supply assembly; 51. a water storage tank; 52. a servo water pump; 53. an air cooler; 54. a digital display pressure gauge; 55. a filter; 56. a controllable regulating valve; 6. a drainage assembly; 61. an electromagnetic air valve; 62. a one-way air valve; 63. three-way electromagnetic water valve; 7. detecting a base; 8. detecting the product.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and furthermore, the terms "first", "second", "third", "up, down, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; all other embodiments, which may be directly or indirectly through intermediaries, which may be obtained by a person of ordinary skill in the art without inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

The structure of the three-way valve function testing device provided by the utility model is shown in fig. 1, the three-way valve function testing device comprises a frame 1, a host machine component 2 is arranged at the top of the frame 1, the host machine component 2 is used for controlling the whole device, the host machine component 2 consists of a PLC control unit 21, an industrial control screen 22, a voltage ammeter 23, an indicator light alarm unit 24 and a safety grating induction unit 25, the PLC control unit 21 is arranged on the surface of the frame 1, the industrial control screen 22 and the voltage ammeter 23 are embedded on the surface of the frame 1, the indicator light alarm unit 24 is fixed below the voltage ammeter 23, the indicator light alarm unit 24 is used for alarming, the safety grating induction unit 25 is fixed on both sides of the surface of the frame 1, and the safety grating induction unit 25 is used for safety detection.

When the device is implemented, an operator can implement the setting of parameter options such as device operation parameters and product judgment by controlling the industrial control screen 22, the PLC control unit 21 is in information intercommunication with the industrial control screen 22, and the PLC control unit 21 is used for carrying out programmed control on the operation of the relay module and the electromagnetic valve module of the air cylinder 41 according to the setting of the operator, so as to control the operation of electromechanical devices such as the terminal air cylinder 41, the servo water pump 52, the electromagnetic water valve, the electromagnetic air valve 61, the three-way electromagnetic water valve 63, the controllable regulating valve 56, the indicator lamp alarm unit 24 and the like.

Further, as shown in fig. 2 and 3, the surface of the rack 1 is further provided with a water-passing detection assembly 3, the water-passing detection assembly 3 is composed of an electromagnetic water valve 31, a water tank main body 32 and a liquid sensor 33, the electromagnetic water valve 31 is provided with two groups, the two groups of electromagnetic water valves 31 are fixedly connected to the surface of the rack 1, the surface of the rack 1 is fixedly provided with the water tank main body 32 with an indicator light, the surface of the water tank main body 32 is fixedly connected with the two groups of liquid sensors 33, and the liquid sensors 33 are used for detecting work.

When the device is implemented, the water flow detection component is different from a rotor Hall element to detect the water flow commonly used simple industrial detection means, the device can reflect the actual water outlet impression of a household appliance, because the tail end of a water pipe communicated with a product water outlet is fastened above the inside of a water tank main body, the front of the water tank main body is visualized inside, an operator can intuitively observe the water shape, in addition, a liquid level sensor is internally arranged, the electrostatic sensor principle is innovatively used, the central shaft of a U-shaped groove coincides with the underwater flow track, therefore, water flows through the U-shaped groove of the liquid level sensor, whether water flows or not can be detected, whether the water channel switching is successful or not can be judged, the high-speed response characteristic of the device can accurately identify the intermittent current interruption phenomenon, which is not possessed by the rotor Hall element, and the whole waterway is not interfered by a detection component, in addition, the liquid level sensor can adjust the sensitivity of the device, so that the water shape can be identified, and whether the product has the phenomenon that the pipeline is not smooth or not appears.

Further, as shown in fig. 3 and 4, a drainage assembly 6 is further disposed on one side of the water-passing detection assembly 3, the drainage assembly 6 is used for drainage, the drainage assembly 6 is composed of an electromagnetic air valve 61, a unidirectional air valve 62 and a three-way electromagnetic water valve 63, the unidirectional air valve 62 is fixedly connected to the surface of the frame 1, the unidirectional air valve 62 is provided with the electromagnetic air valve 61 through a pipeline, the electromagnetic air valve 61 is mutually communicated with the detection product 8 through a pipeline, the three-way electromagnetic water valve 63 is provided with two groups, the two groups of three-way electromagnetic water valves 63 are fixedly connected to the top end of the water tank main body 32, and the three-way electromagnetic water valve 63 is mutually communicated with the water tank 51 through a pipeline.

When the device is implemented, an operator sets the air blowing and water draining time of each pipeline through the industrial control screen, the device can blow and drain the pipeline according to the setting, the accumulated water of each pipeline is guaranteed to be drained, the phenomenon that accumulated water of a product cannot be cleared due to negligence of manual operation is avoided, and an assembled finished product flows out of the market.

Further, as shown in fig. 5, the surface of the frame 1 is fixed with a detection base 7, the top of the detection base 7 is provided with a detection product 8, the surface of the frame 1 and the left, right, rear and upper parts of the detection base 7 are provided with a quick pressing mechanism 4, the quick pressing mechanism 4 is used for detecting the quick pressing work of the product 8, the quick pressing mechanism 4 is composed of air cylinders 41 and quick pressing clamps 42, the air cylinders 41 are provided with four groups, the four groups of air cylinders 41 are respectively installed on the surface of the frame 1 through fixing seats, the output end of the air cylinders 41 is fixed with the quick pressing clamps 42, and the quick pressing clamps 42 are used for pressing the detection product 8.

The left part quick press clamp, the right part quick press clamp, the rear part quick press clamp and the upper part quick press clamp in the quick press mechanism are pushed by the air cylinder, then the left part quick press clamp, the right part quick press clamp and the rear part quick press clamp realize quick connection/disconnection of a product to a water inlet/water outlet of a device pipeline, the upper part quick press clamp is provided with two elastic needles to realize electric connection of the product, because the product water inlet and the water outlet A are of a quick joint structure, the device pipe is inserted and then withdrawn and can be clamped by a quick product clamping head, in order to avoid the defect, the contact part of the left part quick press clamp, the right part quick press clamp and the product water outlet is specially designed, the quick press clamp main body is connected with the air cylinder and connected with an air channel/waterway, a water pipe is connected in the central direction of the product water outlet, the water pipe is pushed into the product water outlet, then the product is enabled to be connected with/ventilated, movable round guide columns are arranged at two sides of the quick press clamp, the other ends of the guide columns are locked with square transparent press heads, the guide columns are sleeved with springs outside the guide columns, the quick press clamp is used for continuously applying elastic extrusion force to the product quick press clamp, and the quick press clamp can withdraw from the product, and the quick press clamp is completely inserted and withdrawn from the quick press clamp is completely to be connected with the product water outlet.

Further, as shown in fig. 3 and fig. 4, a water supply assembly 5 is further disposed at the bottom of the rack 1, the water supply assembly 5 is used for water supply, the water supply assembly 5 includes a water tank 51, a servo water pump 52, an air cooler 53, a digital display pressure gauge 54, a filter 55 and a controllable regulating valve 56, the water tank 51 is fixedly connected to the surface of the rack 1, the servo water pump 52 is mounted on one side of the water tank 51, the servo water pump 52 is mutually communicated with the water tank 51 through a pipeline, the air cooler 53 is also fixed to the surface of the rack 1, the air cooler 53 is mutually communicated with the servo water pump 52 through a pipeline, the filter 55 is fixedly connected with the air cooler 53 through a pipeline, the other end of the filter 55 is communicated with the water tank 51 through a three-way pipeline, meanwhile, the controllable regulating valve 56 is fixedly connected with the digital display pressure gauge 54 through a pipeline, and the digital display pressure gauge 54 is mutually communicated with the detection product 8 through a pipeline.

The water supply assembly can imitate a household water supply state and realize accurate regulation and control of high and low water pressure, the working mechanism of the water supply assembly is that a water storage tank is filled with water in advance, a servo water pump can adjust a pump pressure according to PLC control, water is pumped out, the water is supplied to an air cooler through a water pipe, the air cooler is cooled when the water continuously circulates, the water flows out from the air cooler to a water pipe to a filter core, then two waterways are separated through a T-shaped water pipe, a main waterway flows back to the water storage tank through the water pipe, the bypass waterway passes through a controllable regulating valve, then passes through the water pipe to a digital display pressure gauge, then passes through the water pipe to an electromagnetic water valve, and finally a water outlet pipe is connected to a rear quick-pressure clamp of a quick-pressure mechanism, so that the water supply assembly can be communicated with a water inlet of a product. Through closed electromagnetic water valve, then digital display manometer then can measure main road water pressure, and the PLC control unit is adjusted servo water pump in real time according to the pressure value of digital display manometer feedback, not only adjustable main road water pressure, servo water pump can independently regulate and control and implement water pressure stability in addition, waterway structure and electrical component high-accuracy work from this, can be similar to the civilian waterway condition of arriving at home of reduction, can realize low pressure stable water supply, also can high pressure stable water supply, the PLC control unit is through controllable governing valve, can adjust the discharge to the product water inlet. The water supply assembly can provide accurate control under two test conditions of water pressure and water flow of the product. An electromagnetic water valve X2 is arranged behind the water tank main body, the water pipe which is communicated with the water outlet of the product is blocked in a closed state, the numerical value of the digital display pressure gauge is collected in real time, and the device can judge whether the product has leakage failure under high water pressure.

The product water-through test is accomplished the back must inside have ponding, in order to keep inside unable breed bacterium, need clear away inside ponding, the common mode is manual air gun and blow in the product pipeline, still need switch over the pipeline, just can clear away all passageway ponding, manual operation can not hold the time of blowing, the manual work is lost and is probably led to there is a pipeline to blow the drainage, this device designs automatic drainage functional unit, see drainage unit structure diagram, compressed air purifies through the filter earlier, connect three way connection through the trachea, one end of giving vent to anger is through the trachea to cylinder solenoid valve, another is through the trachea to solenoid valve, take over to the check valve by the solenoid valve, take over to on the fast pressure tool (left) again by the check valve, then with the product water inlet switch on. The check valve has the function of blocking the water flowing to the air path in the water-through test process of the product, and affecting the test accuracy. When the product needs to be drained, the PLC controller unit controls the electromagnetic air valve to be opened, compressed air can be conveyed into the product, the product water outlet A, B passes through the three-way electromagnetic water valve at the upper part of the water tank body, water is discharged from the water tank, and the PLC controller unit only needs to control the three-way electromagnetic water valve to switch a pipeline, so that water can flow back to the water storage tank directly from the other water outlet of the three-way electromagnetic water valve. This settlement effect is for avoiding blowing the drainage in the water tank main part, causes the inside splash of case to rise, leads to the window to blur, and operating personnel can not be a lot of observation water form, owing to be PLC control unit program control, operating personnel sets for the drainage time of blowing of every pipeline through the industrial control screen, and the device alright blow the drainage according to setting for the pipeline, guarantees that every pipeline ponding all discharges, avoids manual operation carelessly to arouse that the product ponding can not clear up, and the assembled finished product flows out the market.

Working principle: when the intelligent control device is used, firstly, an operator can implement the setting of parameter options such as device operation parameters and product judgment by controlling the industrial control screen 22, the PLC control unit 21 is in information intercommunication with the industrial control screen 22, the PLC control unit 21 can perform programmed control on the operation of the relay module and the electromagnetic valve module of the air cylinder 41 according to the setting of the operator, further control the operation of electromechanical devices such as the terminal air cylinder 41, the servo water pump 52, the electromagnetic water valve, the electromagnetic air valve 61, the three-way electromagnetic water valve 63, the controllable regulating valve 56, the indicator lamp alarm unit 24 and the like, and meanwhile, monitor and collect the states and data of the instruments such as the voltage ammeter 23, the safety grating induction unit 25, the liquid inductor 33, the digital display pressure meter 54 and the like.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a three-way valve function test device, includes frame (1), its characterized in that: the top of the frame (1) is provided with a host assembly (2), and the host assembly (2) is used for controlling the whole device; the surface of the frame (1) is also provided with a water-through detection assembly (3), the water-through detection assembly (3) consists of an electromagnetic water valve (31), a water tank main body (32) and a liquid inductor (33), the electromagnetic water valve (31) is provided with two groups, the two groups of electromagnetic water valves (31) are fixedly connected to the surface of the frame (1), the surface of the frame (1) is fixedly provided with the water tank main body (32) with an indicator lamp, the surface of the water tank main body (32) is fixedly connected with the two groups of liquid inductors (33), and the liquid inductor (33) is used for detection work; a drainage assembly (6) is further arranged on one side of the water passing detection assembly (3), and the drainage assembly (6) is used for draining water; the surface of the frame (1) is fixedly provided with a detection base (7), a detection product (8) is placed at the top of the detection base (7), quick pressing mechanisms (4) are arranged on the surface of the frame (1) and positioned at the left, right, rear and upper parts of the detection base (7), and the quick pressing mechanisms (4) are used for detecting quick pressing operation of the product (8); the bottom of the frame (1) is also provided with a water supply assembly (5), and the water supply assembly (5) is used for supplying water.

2. The three-way valve function test device according to claim 1, wherein: the host assembly (2) consists of a PLC control unit (21), an industrial control screen (22), a voltmeter (23), an indicator lamp alarm unit (24) and a safety grating induction unit (25), wherein the PLC control unit (21) is arranged on the surface of the frame (1), and the industrial control screen (22) and the voltmeter (23) are embedded on the surface of the frame (1).

3. The three-way valve function test device according to claim 1, wherein: an indicator lamp alarming unit (24) is fixed on the surface of the machine frame (1) and positioned below the voltmeter (23), the indicator lamp alarming unit (24) is used for alarming, safety grating sensing units (25) are fixed on two sides of the surface of the machine frame (1), and the safety grating sensing units (25) are used for safety detection.

4. The three-way valve function test device according to claim 1, wherein: the quick pressing mechanism (4) is composed of air cylinders (41) and quick pressing clamps (42), the air cylinders (41) are provided with four groups, the four groups of air cylinders (41) are respectively arranged on the surface of the frame (1) through fixing seats, the output ends of the air cylinders (41) are fixedly provided with the quick pressing clamps (42), and the quick pressing clamps (42) are used for pressing detection products (8).

5. The three-way valve function test device according to claim 1, wherein: the water supply assembly (5) comprises a water storage tank (51), a servo water pump (52), an air cooler (53), a digital display pressure gauge (54), a filter (55) and a controllable regulating valve (56), wherein the water storage tank (51) is fixedly connected to the surface of the frame (1), the servo water pump (52) is arranged on one side of the water storage tank (51), and the servo water pump (52) is mutually communicated with the water storage tank (51) through a pipeline.

6. The three-way valve function test device according to claim 1, wherein: the surface of frame (1) is still fixed with forced air cooler (53), and forced air cooler (53) are through pipeline and servo water pump (52) intercommunication each other, frame (1) surface just is located one side of forced air cooler (53) and is passed through bolt fixedly connected with filter (55), this filter (55) are through pipeline and forced air cooler (53) intercommunication, and the other end of filter (55) is through tee bend pipeline and storage water tank (51) intercommunication, controllable governing valve (56) are installed to the other end of tee bend pipeline simultaneously, this controllable governing valve (56) are fixed with digital display manometer (54) through the pipeline, digital display manometer (54) are through pipeline and detection product (8) intercommunication each other.

7. The three-way valve function test device according to claim 1, wherein: the drainage assembly (6) is composed of an electromagnetic air valve (61), a one-way air valve (62) and a three-way electromagnetic water valve (63), the one-way air valve (62) is fixedly connected to the surface of the frame (1), the one-way air valve (62) is provided with the electromagnetic air valve (61) through a pipeline, the electromagnetic air valve (61) is mutually communicated with a detection product (8) through a pipeline, the three-way electromagnetic water valve (63) is provided with two groups, the two groups of three-way electromagnetic water valves (63) are fixedly connected to the top end of the water tank main body (32), and the three-way electromagnetic water valve (63) is mutually communicated with the water storage tank (51) through a pipeline.