CN220707862U

CN220707862U - Normal temperature pressure circulation system

Info

Publication number: CN220707862U
Application number: CN202322259759.9U
Authority: CN
Inventors: 邓德贵
Original assignee: Suzhou Yangbo Datian Cooling Technology Co ltd
Current assignee: Suzhou Yangbo Datian Cooling Technology Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-04-02
Anticipated expiration: 2033-08-22

Abstract

The utility model provides a normal-temperature pressure circulation system, which comprises a water tank, wherein a heater and a water tank temperature sensor are arranged in the water tank, and a water chilling unit and at least two test equipment water supply loops are connected to the water tank; the test equipment water supply loop is provided with a water supply pipe and a water return pipe which are connected between the test equipment and the water tank, a water supply valve, a variable frequency pump and a flowmeter are connected to the water supply pipe, a first pressure sensor is arranged between the water supply valve and the variable frequency pump, and a second pressure sensor is arranged between the variable frequency pump and the test equipment; according to the utility model, the heater and the water chilling unit can heat or cool water in the water tank, so that the water temperature in the water tank is adjusted between 15 ℃ and 65 ℃, the test requirement is met, the plurality of test equipment water supply loops connect the plurality of test equipment with the water tank, the water supply requirement of the plurality of test equipment can be met at the same time, and the test cost is reduced.

Description

Normal temperature pressure circulation system

Technical Field

The utility model belongs to the technical field of temperature test boxes, and particularly relates to a normal-temperature pressure circulation system.

Background

The temperature test box is called an incubator for short and is mainly used for carrying out a variable water temperature test, and the test needs to supply test water with a certain pressure at 15-65 ℃ so as to meet the test requirement.

In the prior art, for example, the chinese patent publication No. CN211233610U discloses a water supply device for an equipment test system, which can only supply water flow with a corresponding temperature to one test equipment, and a plurality of test equipments need to prepare the water supply device for the corresponding equipment test system, which is relatively high in cost.

Therefore, it is necessary to design a normal temperature pressure circulation system capable of simultaneously supplying water flow with specified temperature to a plurality of test devices and reducing test cost to solve the technical problems faced at present.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a normal-temperature pressure circulation system which can supply water flow with specified temperature to a plurality of test devices respectively and reduce test cost.

The technical scheme of the utility model is as follows: the normal temperature pressure circulation system comprises a water tank, wherein a heater and a water tank temperature sensor are arranged in the water tank, and a water chilling unit and at least two test equipment water supply loops are connected to the water tank; the test equipment water supply loop is provided with a water supply pipe and a water return pipe which are connected between the test equipment and the water tank, a water supply valve, a variable frequency pump and a flowmeter are connected to the water supply pipe, a first pressure sensor is arranged between the water supply valve and the variable frequency pump, and a second pressure sensor is arranged between the variable frequency pump and the test equipment.

The output end of the water chilling unit is connected with the water tank through a cold water outlet valve, and the input end of the water chilling unit is connected with the water tank through a cold water inlet valve.

And a water supply temperature sensor is arranged at one end of the water supply pipe, which is close to the test equipment, and a water return temperature sensor is arranged at one end of the water return pipe, which is close to the test equipment.

And a one-way valve is arranged between the variable frequency pump and the test equipment.

And a water supplementing valve is connected between the water supply valve and the variable frequency pump.

And a pressure relief valve is connected between the variable frequency pump and the test equipment.

A filter is arranged between the water supply valve and the variable frequency pump.

And two test water supply loops are connected to the water tank.

The utility model has the beneficial effects that:

(1) According to the utility model, the heater and the water chilling unit can heat or cool water in the water tank, so that the water temperature in the water tank is adjusted between 15 and 65 ℃, the test requirement is met, the plurality of test equipment water supply loops connect the plurality of test equipment with the water tank, the water supply requirement of the plurality of test equipment can be met at the same time, and the test cost is reduced;

(2) The first pressure sensor and the second pressure sensor can timely identify the pressure change of the front end and the rear end of the variable frequency pump, and timely find out the pressure abnormality, so that the system fault caused by the fact that the pressure abnormality is not found out for a long time is avoided;

(3) The variable frequency pump cooperates with the flowmeter to accurately control the flow supplied to the test equipment, so that the test requirements of different flows in the test process are met.

Drawings

Fig. 1 is a schematic structural diagram of a normal temperature pressure circulation system in the present utility model.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1, the normal temperature pressure circulation system comprises a water tank 1, wherein a heater 2 and a water tank temperature sensor 3 are arranged in the water tank 1, and a water chilling unit 4 and at least two test equipment water supply loops 5 are connected to the water tank 1; the test equipment water supply loop 5 is provided with a water supply pipe 51 and a water return pipe 52 which are connected between the test equipment 6 and the water tank 1, a water supply valve 511, a variable frequency pump 515 and a flowmeter 519 are connected to the water supply pipe 51, a first pressure sensor 512 is arranged between the water supply valve 511 and the variable frequency pump 515, and a second pressure sensor 517 is arranged between the variable frequency pump 515 and the test equipment 6; in the embodiment, the heater 2 and the water chilling unit 4 can heat or cool water in the water tank 1, so that the water temperature in the water tank 1 is adjusted between 15 ℃ and 65 ℃, the test requirement is met, the plurality of test equipment water supply loops 5 connect the plurality of test equipment 6 with the water tank 1, the water supply requirement of the plurality of test equipment can be met at the same time, and the test cost is reduced; the first pressure sensor 8 and the second pressure sensor 12 can timely identify the pressure change of the front end and the rear end of the variable frequency pump 10, and timely find out the pressure abnormality, so that the system fault caused by long-time undiscovered pressure abnormality is avoided; the variable frequency pump 10 can carry out accurate control to the flow that supplies to test equipment in cooperation with flowmeter 20, satisfies the test demand of different flows in the test process.

In some embodiments, the output end of the water chiller 4 is connected to the water tank 1 through a cold water outlet valve 41, and the input end of the water chiller 4 is connected to the water tank 1 through a cold water inlet valve 42; when the water temperature of the water stored in the water tank needs to be reduced, the cold water inlet valve 41 and the cold water outlet valve 42 are opened, the water chilling unit 4 operates, and the water stored in the water tank 1 is cooled.

In some embodiments, a water supply temperature sensor 519 is disposed at an end, close to the test device 6, of the water supply pipe 51, and a water return temperature sensor 521 is disposed at an end, close to the test device 6, of the water return pipe 52, and water temperatures entering the test device 6 and exiting the test device 6 can be detected through the water supply temperature sensor 519 and the water return temperature sensor 521, so that water temperature changes can be recorded conveniently.

In some embodiments, a one-way valve 516 is provided between the variable frequency pump 515 and the test device 6, and the one-way flow of the water in the water supply pipe 51 can be limited by the one-way valve 516, so that the reverse flow of the water is avoided.

In some embodiments, a water replenishing valve 513 is connected between the water supply valve 511 and the variable frequency pump 515, and water can be replenished into the system by opening the water replenishing valve 513, wherein the water replenishing valve 513 is a ball valve.

In some embodiments, a pressure release valve 518 is connected between the variable frequency pump 515 and the test device 6, where the pressure release valve 518 can be opened when the second pressure sensor 516 detects that the pressure in the pipeline is too high, so as to release the pressure in the water supply pipe 51 and ensure the safe operation of the system.

In some embodiments, a filter 514 is disposed between the water supply valve 511 and the variable frequency pump 515, and impurities in the water flow can be filtered out by the filter 514, reducing wear on the variable frequency pump 515.

In some embodiments, two test water supply circuits 5 are connected to the water tank 1, capable of satisfying the water circulation of two test devices 6; in practice, the number of test water supply circuits 5 may be increased as needed to supply more test equipment 6.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A normal temperature pressure circulation system, characterized in that: the water tank is internally provided with a heater and a water tank temperature sensor, and is connected with a water chilling unit and at least two test equipment water supply loops;

the test equipment water supply loop is provided with a water supply pipe and a water return pipe which are connected between the test equipment and the water tank, a water supply valve, a variable frequency pump and a flowmeter are connected to the water supply pipe, a first pressure sensor is arranged between the water supply valve and the variable frequency pump, and a second pressure sensor is arranged between the variable frequency pump and the test equipment.

2. The normal temperature pressure circulation system according to claim 1, wherein: the output end of the water chilling unit is connected with the water tank through a cold water outlet valve, and the input end of the water chilling unit is connected with the water tank through a cold water inlet valve.

3. The normal temperature pressure circulation system according to claim 1, wherein: and a water supply temperature sensor is arranged at one end of the water supply pipe, which is close to the test equipment, and a water return temperature sensor is arranged at one end of the water return pipe, which is close to the test equipment.

4. The normal temperature pressure circulation system according to claim 1, wherein: and a one-way valve is arranged between the variable frequency pump and the test equipment.

5. The normal temperature pressure circulation system according to claim 1, wherein: and a water supplementing valve is connected between the water supply valve and the variable frequency pump.

6. The normal temperature pressure circulation system according to claim 1, wherein: and a pressure relief valve is connected between the variable frequency pump and the test equipment.

7. The normal temperature pressure circulation system according to claim 1, wherein: a filter is arranged between the water supply valve and the variable frequency pump.

8. The normal temperature pressure circulation system according to claim 1, wherein: and two test water supply loops are connected to the water tank.