CN211576500U

CN211576500U - Flaw detection device for heat exchanger of central air conditioner

Info

Publication number: CN211576500U
Application number: CN202020584057.1U
Authority: CN
Inventors: 黄南哲; 钟司雨
Original assignee: Shenzhen Nanfeng Water Treatment Service Co ltd
Current assignee: Shenzhen Nanfeng Water Treatment Service Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-25
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a central air conditioning heat exchanger device of detecting a flaw, the inner chamber swing joint of input tube has the test tube, the inner chamber sliding connection of test tube has the test rod, the first gasbag of side fixedly connected with of test rod, and the surface of first gasbag and the inner chamber crimping of input tube, the side fixedly connected with second gasbag of test tube, and the side of second gasbag respectively with the inner chamber of input tube and the side crimping of test rod, the utility model relates to a central air conditioning technology field. This central air conditioning heat exchanger device of detecting a flaw, when detecting a flaw, seal the detection position through first gasbag and second gasbag, the guarantee can not receive the influence, then to regional pressure boost between first gasbag and the second gasbag, acquire this regional atmospheric pressure value through baroceptor, judge whether there is gas leakage through the atmospheric pressure value, the accuracy of guarantee test has solved the problem that common heat exchanger device of detecting a flaw is difficult to guarantee the accuracy that detects.

Description

Flaw detection device for heat exchanger of central air conditioner

Technical Field

The utility model relates to a central air conditioning technical field specifically is central air conditioning heat exchanger device of detecting a flaw.

Background

The central air conditioning system is different from the traditional refrigerant type air conditioner, intensively processes air to meet the comfort requirement, and adopts the principle of liquid gasification refrigeration to provide the required refrigeration capacity for the air conditioning system so as to offset the cold load of the indoor environment; the heating system provides heat required by the air conditioning system to offset the heat load of the indoor environment, the refrigerating system is a vital part of the central air conditioning system, the type, the operation mode, the structural form and the like of the refrigerating system directly influence the economy, the efficiency and the rationality of the central air conditioning system in operation, and the heat exchanger is equipment for transferring partial heat of hot fluid to cold fluid and is also called a heat exchanger.

The heat exchanger uses for a long time in order to ensure availability factor, need detect it, detects whether there is the leakage in the heat exchanger inside, but common device is difficult to guarantee the accuracy that detects, is difficult to judge moreover and leaks concrete position.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a central air conditioning heat exchanger device of detecting a flaw has solved the accuracy that common heat exchanger device of detecting a flaw difficult guarantee detected and has been difficult to judge the problem of leaking concrete position.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: central air conditioning heat exchanger device of detecting a flaw, including organism and cover, the side of organism is articulated with the side of cover, the inner chamber of organism is from last fixedly connected with input tube and output tube down in proper order, the inner chamber swing joint of input tube has the test tube, the inner chamber sliding connection of test tube has the gauge rod, the first gasbag of side fixedly connected with of gauge rod, and the surface of first gasbag and the inner chamber crimping of input tube, the side fixedly connected with second gasbag of test tube, and the side of second gasbag respectively with the inner chamber of input tube and the side crimping of gauge rod, the side of gauge rod just is located fixedly connected with baroceptor between first gasbag and the second gasbag.

Preferably, the inner cavity of the detection rod is provided with a first air inlet hole and a second air inlet hole, and the inner cavity of the first air inlet hole is communicated with the inner cavity of the first air bag.

Preferably, the inner cavity of the detection tube is provided with a third air inlet, and the inner cavity of the third air inlet is communicated with the inner cavity of the second air bag.

Preferably, the left end of the detection rod is fixedly connected with an end head, and the side surface of the end head is in sliding connection with the inner surface of the input pipe.

Preferably, the side surface of the detection rod is fixedly connected with a baffle, and the side surface of the baffle and the side surface of the end head are both in compression joint with the side surface of the first air bag.

Preferably, the left end of the detection tube is fixedly connected with a wear-resistant block which is connected with the outer surface of the detection rod in a sliding mode, and the side face of the wear-resistant block is in pressure joint with the side face of the second air bag.

Preferably, the top of the machine body is provided with an input port, and the bottom of the machine body is provided with an output port.

Preferably, the inner cavity of the machine body is fixedly connected with a fixing plate, and the right end of the input pipe and the right end of the output pipe both penetrate through the left side of the fixing plate and extend to the right side of the fixing plate.

Advantageous effects

The utility model provides a central air conditioning heat exchanger device of detecting a flaw. Compared with the prior art, the method has the following beneficial effects:

1. the flaw detection device of the central air-conditioning heat exchanger is characterized in that a detection tube is movably connected with the inner cavity of an input tube, a detection rod is connected with the inner cavity of the detection tube in a sliding manner, a first air bag is fixedly connected with the side surface of the detection rod, the outer surface of the first air bag is pressed with the inner cavity of the input tube, the side surface of the detection tube is fixedly connected with a second air bag, and the side surface of the second air bag is respectively pressed with the inner cavity of the input tube and the side surface of the detection rod, and the side surface of the detection rod and the position between the first air bag and the second air bag are fixedly connected with an air pressure sensor, the detection position is sealed by the first air bag and the second air bag, so that the influence can be avoided, then pressurizing the area between the first air bag and the second air bag, obtaining the air pressure value of the area through an air pressure sensor, whether air leakage exists or not is judged through the air pressure value, the accuracy of the test is guaranteed, and the problem that the accuracy of the detection is difficult to guarantee by a common heat exchanger flaw detection device is solved.

2. The flaw detection device of the central air-conditioning heat exchanger is characterized in that a detection rod is connected in a sliding manner in the inner cavity of a detection tube, a second air bag is fixedly connected to the side surface of the detection tube, the side surface of the second air bag is respectively pressed with the inner cavity of the input tube and the side surface of the detection rod, the left end of the detection tube is fixedly connected with a wear-resistant block which is connected with the outer surface of the detection rod in a sliding way, the side surface of the wear-resistant block is pressed with the side surface of the second air bag, the detection rod is connected with the detection cylinder in a sliding way, namely the distance between the first air bag and the second air bag can be adjusted, when detecting a flaw, the distance between the first air bag and the second air bag is firstly made as large as possible, when a flaw is found, the distance between the first air bag and the second air bag is gradually reduced, the distance enters the input pipe or the output pipe through the detection rod and the detection cylinder respectively, the leakage position can be obtained, and the problem that the common heat exchanger flaw detection device is difficult to judge the specific leakage position is solved.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a cross-sectional view of an input tube structure of the present invention;

FIG. 3 is a side view of the detection rod structure of the present invention;

fig. 4 is a cross-sectional view of the detection tube structure of the present invention.

In the figure: 1. a body; 2. a machine cover; 3. an input tube; 4. an output pipe; 5. a detection tube; 6. a detection lever; 7. a first air bag; 8. a second air bag; 9. an air pressure sensor; 10. a first air intake hole; 11. a second air intake hole; 12. a third air inlet hole; 13. a tip; 14. a baffle plate; 15. a wear-resistant block; 16. an input port; 17. an output port; 18. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the flaw detection device of the heat exchanger of the central air conditioner comprises a machine body 1 and a machine cover 2, wherein the side surface of the machine body 1 is hinged with the side surface of the machine cover 2, a sealing device is arranged between the machine body 1 and the machine cover 2, an input pipe 3 and an output pipe 4 are sequentially and fixedly connected with the inner cavity of the machine body 1 from top to bottom, a plurality of input pipes 3 and output pipes 4 are respectively arranged, the inner cavity of the input pipe 3 is movably connected with a detection pipe 5, the inner cavity of the detection pipe 5 is slidably connected with a detection rod 6, the side surface of the detection rod 6 is fixedly connected with a first air bag 7, the outer surface of the first air bag 7 is in compression joint with the inner cavity of the input pipe 3, the side surface of the detection pipe 5 is fixedly connected with a second air bag 8, the side surface of the second air bag 8 is in compression joint with the inner cavity of the input pipe 3 and the side surface of the detection rod 6 respectively, the inner cavity of the detection rod 6 is provided with a first air inlet hole 10 and a second air inlet hole 11, the first air inlet hole 10 and the second air inlet hole 11 are both communicated with an external air pump, the inner cavity of the first air inlet hole 10 is communicated with the inner cavity of the first air bag 7, the inner cavity of the detection tube 5 is provided with a third air inlet hole 12, the third air inlet hole 12 is communicated with the external air pump, the inner cavity of the third air inlet hole 12 is communicated with the inner cavity of the second air bag 8, the left end of the detection rod 6 is fixedly connected with an end 13, the side surface of the end 13 is composed of a plurality of smooth curved surfaces, the abrasion to the input tube 3 when the detection rod 6 enters the input tube 3 is reduced, the side surface of the end 13 is slidably connected with the inner surface of the input tube 3, the side surface of the detection rod 6 is fixedly connected with a baffle 14, the side surface of the baffle 14 and the side surface of the end 13 are both in pressure joint, wear-resisting piece 15 adopts wear-resisting material, prevent that second gasbag 8 from damaging because of receiving the friction, increase life, and wear-resisting piece 15's side and second gasbag 8's side crimping, input port 16 has been seted up at organism 1's top, delivery outlet 17 has been seted up to organism 1's bottom, organism 1's inner chamber fixedly connected with fixed plate 18, the right-hand member of input tube 3 and the right-hand member of output tube 4 all run through the left side of fixed plate 18 and extend to the right side of fixed plate 18.

And those not described in detail in this specification are well within the skill of those in the art.

During the use, drive end 13 through check rod 6 and get into input tube 3, simultaneously check tube 5 gets into input tube 3, through first inlet port 10 gas entrainment in towards first gasbag 7, first gasbag 7 inflation, seal first gasbag 7 position, it seals second gasbag 8 position through second gasbag 8 to be on a par with, through second inlet port 11 gas entrainment between towards first gasbag 7 and the second gasbag 8, increase this position atmospheric pressure, detect the atmospheric pressure value through baroceptor 9, judge whether there is the gas leakage in this region through the atmospheric pressure value, it detects other positions of input tube 3 and output tube 4 to be on a par with.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Central air conditioning heat exchanger flaw detection device, including organism (1) and cover (2), the side of organism (1) is articulated with the side of cover (2), its characterized in that: the inner chamber of organism (1) is from last fixedly connected with input tube (3) and output tube (4) down in proper order, the inner chamber swing joint of input tube (3) has test tube (5), the inner chamber sliding connection of test tube (5) has test bar (6), the first gasbag of side fixedly connected with (7) of test bar (6), and the surface of first gasbag (7) and the inner chamber crimping of input tube (3), the side fixedly connected with second gasbag (8) of test tube (5), and the side of second gasbag (8) respectively with the inner chamber of input tube (3) and the side crimping of test bar (6), the side of test bar (6) just is located fixedly connected with baroceptor (9) between first gasbag (7) and second gasbag (8).

2. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: the inner cavity of the detection rod (6) is provided with a first air inlet hole (10) and a second air inlet hole (11), and the inner cavity of the first air inlet hole (10) is communicated with the inner cavity of the first air bag (7).

3. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: and a third air inlet hole (12) is formed in the inner cavity of the detection tube (5), and the inner cavity of the third air inlet hole (12) is communicated with the inner cavity of the second air bag (8).

4. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: the left end of the detection rod (6) is fixedly connected with an end head (13), and the side surface of the end head (13) is connected with the inner surface of the input pipe (3) in a sliding mode.

5. The central air-conditioning heat exchanger flaw detection apparatus according to claim 4, wherein: the side face of the detection rod (6) is fixedly connected with a baffle (14), and the side face of the baffle (14) and the side face of the end head (13) are both in compression joint with the side face of the first air bag (7).

6. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: the left end of the detection tube (5) is fixedly connected with a wear-resistant block (15) which is in sliding connection with the outer surface of the detection rod (6), and the side surface of the wear-resistant block (15) is in compression joint with the side surface of the second air bag (8).

7. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: an input port (16) is formed in the top of the machine body (1), and an output port (17) is formed in the bottom of the machine body (1).

8. The central air-conditioning heat exchanger flaw detection apparatus according to claim 1, characterized in that: the inner cavity of the machine body (1) is fixedly connected with a fixing plate (18), and the right end of the input pipe (3) and the right end of the output pipe (4) penetrate through the left side of the fixing plate (18) and extend to the right side of the fixing plate (18).