Leakage detection device of nitrogen protection device

Abstract

The utility model discloses a leakage detection device of a nitrogen protection device, which relates to the field of detection instruments and comprises a detection main body, a groove is formed in the middle of the bottom end of the detection main body, a nitrogen sensor is mounted in the groove, and adsorption discs are fixed at four corners of the bottom end of the detection main body. A display screen is arranged on one side in the long edge direction of the detection main body, the detection main body can be adsorbed on a protection device with a smooth plane through four adsorption discs, and the four adsorption discs are elastic and can rebound. In addition, the rolled fixing belt can be pulled out, one end of the fixing belt is pulled to the interior of the through groove, and the fixing belt which extends into the through groove is fastened and fixed through a fixing screw, so that the firmness of the detection main body is enhanced, and the problem that the detection main body falls off is avoided. Furthermore, when the detection main body needs to be installed on the pipeline, the fixing belt can also adapt to the cambered surface of the pipeline, and different installation requirements are met.

Description

Technical Field

[0001] The utility model relates to the field of detection instruments, in particular to a leakage detection device for a nitrogen protection device. Background Art

[0002] The leakage detection device of the nitrogen protection device is a device instrument for detecting nitrogen leakage from the nitrogen detection device. It is mainly used for detecting nitrogen leakage and has good application prospects. However, the leakage detection device of the existing nitrogen protection device still has certain shortcomings. Dust and other impurities can easily enter and affect the detection effect of the nitrogen sensor. It is believed that it will be further improved in the future to meet different needs during use.

[0003] For example, a patent entitled: Leakage detection device for nitrogen protection device (patent application number: CN201921702314.0) discloses a leakage detection device for a nitrogen protection device. In the application, a suction cup and a suction cup groove are set, and the suction cup is installed on the suction cup groove through an upper suction cup, and then the device body is installed on the outer wall of the nitrogen protection device through a lower suction cup. The device body can be effectively fixed. The suction cup adsorption and fixation have high installation requirements and require a relatively smooth surface for adsorption. After a certain period of time, it is easy to fall off.

[0004] Therefore, it is necessary to propose a leakage detection device for a nitrogen protection device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a leakage detection device for a nitrogen protection device, so as to solve the problem that the suction cup needs to have high installation requirements for adsorption and fixation, needs a relatively smooth surface for adsorption, and is prone to falling after a certain period of time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leakage detection device of a nitrogen protection device, comprising a detection body, a groove is provided in the middle of the bottom end of the detection body, a nitrogen sensor is installed in the groove, adsorption plates are fixed at the four corners of the bottom end of the detection body, a display screen is provided on one side of the long side direction of the detection body, a fixing box is provided below the display screen, a groove is provided on one side of the fixing box, a fixing belt is provided for winding inside the fixing box, the fixing box is fixed to one side of the detection body, one end of the fixing belt extends out of the groove, a fixing block is connected to the bottom end of the other side of the detection body, a through groove is provided at the top of the fixing block, and the through groove runs through the bottom end of the fixing block at the same time, a plurality of through holes are provided on the side of the fixing block away from the detection body, the plurality of through holes are connected to the through groove, and the interiors of the plurality of through holes are threadedly matched with fixing screws.

[0007] Preferably, an alarm light is fixed to the top of the detection body, a protective baffle is provided above the display screen, and one side of the protective baffle is fixed to the side of the detection body.

[0008] Preferably, an insertion groove is provided at the bottom end of one side in the short side direction of the detection body, the insertion groove is connected to the groove, and a protective net is inserted into the interior of the insertion groove.

[0009] Preferably, one end of the protective net extends out of the insertion slot, and the extended end of the protective net is connected to a blocking plate, and one end of the blocking plate is fixed with an auxiliary handle.

[0010] Preferably, a concentration sensor is disposed inside the groove.

[0011] Preferably, the warning light and the nitrogen sensor are connected via a signal.

[0012] Preferably, the detection body has a built-in power supply.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the actual operation of the utility model, if the detection body is installed on a relatively smooth protective device, the detection body can be adsorbed on the protective device through four adsorption plates, and the four adsorption plates are elastic and can rebound. And by pulling out the rolled fixing belt, pulling one end of the fixing belt to the inside of the through groove, and using the fixing screws to tighten and fix the inserted fixing belt, the firmness of the detection body can be strengthened to avoid the problem of the detection body falling. Furthermore, when the detection body needs to be installed on the pipeline, the fixing belt can also adapt to the curved surface of the pipeline to meet different installation requirements.

[0015] 2. The groove can also allow some distance between the mounting surface and the nitrogen sensor, allowing leaked nitrogen to enter and be detected. The protective net can be pulled out of the insertion slot by the auxiliary handle, thereby disassembling and replacing the nitrogen sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram from one perspective of a leakage detection device of a nitrogen protection device of the utility model.

[0017] Figure 2 This is a structural schematic diagram from another perspective of the leakage detection device of the nitrogen protection device of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the blocking plate and the auxiliary handle of the utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the groove and nitrogen sensor of the utility model.

[0020] In the figure: 1. Detection body; 2. Warning light; 3. Display screen; 4. Protective baffle; 5. Fixing box; 6. Fixing belt; 7. Adsorption plate; 8. Fixing block; 9. Through slot; 10. Fixing screw; 11. Protective net; 12. Blocking plate; 13. Auxiliary handle; 14. Groove; 15. Nitrogen sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in 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.

[0022] The utility model provides Figure 1-Figure 4 The leakage detection device of a nitrogen protection device shown in the figure comprises a detection body 1, a groove 14 is provided in the middle of the bottom end of the detection body 1, a nitrogen sensor 15 is installed in the groove 14, and a concentration sensor is arranged inside the groove 14. The detection body 1 detects whether the device leaks nitrogen and the content of the leaked nitrogen through the nitrogen sensor 15 and the concentration sensor.

[0023] Adsorption plates 7 are fixed to the four corners of the bottom end of the detection body 1, a display screen 3 is arranged on one side of the long side direction of the detection body 1, a fixing box 5 is arranged below the display screen 3, a groove is opened on one side of the fixing box 5, a fixing belt 6 is arranged inside the fixing box 5 for winding, the fixing box 5 is fixed to one side of the detection body 1, one end of the fixing belt 6 extends out of the groove, a fixing block 8 is connected to the bottom end of the other side of the detection body 1, a through groove 9 is opened on the top of the fixing block 8, the through groove 9 also runs through the bottom end of the fixing block 8, a plurality of through holes are opened on the side of the fixing block 8 away from the detection body 1, the plurality of through holes are connected to the through groove 9, and the interiors of the plurality of through holes are threaded with fixing screws 10.

[0024] In the actual operation of the utility model, if the detection body 1 is installed on a relatively smooth surface protection device, the detection body 1 can be adsorbed on the protection device through four adsorption plates 7, and the four adsorption plates 7 are elastic and can rebound. And by pulling out the rolled fixing belt 6, pulling one end of the fixing belt 6 into the through slot 9, and using the fixing screw 10 to fasten the inserted fixing belt 6, the firmness of the detection body 1 can be strengthened to avoid the problem of the detection body 1 falling.

[0025] Furthermore, when the detection body 1 needs to be installed on a pipeline, the fixing belt 6 can also adapt to the curved surface of the pipeline to meet different installation requirements.

[0026] An insertion groove is provided at the bottom end of one side in the short side direction of the detection body 1, and the insertion groove is connected to the groove 14. A protective net 11 is inserted into the interior of the insertion groove, and one end of the protective net 11 extends out of the insertion groove, and the extended end of the protective net 11 is connected to a blocking plate 12, and an auxiliary handle 13 is fixed to one end of the blocking plate 12.

[0027] The groove 14 faces the installation surface, so that the nitrogen sensor 15 can be closest to the nitrogen leakage position. At the same time, the groove 14 is opened at the bottom of the detection body 1 and is equipped with a protective net 11, which can minimize the entry of dust and prevent dust from affecting the sensing accuracy of the nitrogen sensor 15.

[0028] The groove 14 can also allow some spacing between the mounting surface and the nitrogen sensor 15, so that leaked nitrogen can enter and be detected. Furthermore, the protective net 11 can be pulled out from the insertion slot by the auxiliary handle 13, so that the nitrogen sensor 15 can be disassembled and replaced.

[0029] An alarm light 2 is fixed on the top of the detection body 1, and the alarm light 2 is connected to the nitrogen sensor 15 through a signal. A protective baffle 4 is arranged above the display screen 3, and one side of the protective baffle 4 is fixed to the side of the detection body 1. The detection body 1 has a built-in power supply. When the nitrogen sensor 15 detects a nitrogen leak, the signal is transmitted to the alarm light 2, and the alarm light 2 starts to flash, thereby alerting personnel. The protective baffle 4 can also block part of the dust to prevent the dust from completely covering the display screen 3.

[0030] Working principle: In the actual operation of the utility model, if the detection body 1 is installed on a relatively smooth protective device, the detection body 1 can be adsorbed on the protective device through four adsorption plates 7. The four adsorption plates 7 are elastic and can rebound. And by pulling out the rolled fixing belt 6, pulling one end of the fixing belt 6 to the inside of the through groove 9, and using the fixing screws 10 to tighten and fix the inserted fixing belt 6, the firmness of the detection body 1 can be strengthened to avoid the problem of the detection body 1 falling. Furthermore, when the detection body 1 needs to be installed on the pipeline, the fixing belt 6 can also adapt to the curved surface of the pipeline to meet different installation requirements.

[0031] And the groove 14 faces the installation surface, so that the nitrogen sensor 15 can be closest to the nitrogen leakage position. At the same time, the groove 14 is opened at the bottom of the detection body 1 and is equipped with a protective net 11, which can minimize the entry of dust and prevent dust from affecting the sensing accuracy of the nitrogen sensor 15.

[0032] The detection body 1 detects whether the device leaks nitrogen and the content of the leaked nitrogen through the nitrogen sensor 15 and the concentration sensor. When the nitrogen sensor 15 detects nitrogen leakage, the signal is transmitted to the alarm light 2, and the alarm light 2 starts flashing, thereby alerting personnel.

Claims

1. A leakage detection device for a nitrogen protection device, comprising a detection body (1), characterized in that: A groove (14) is provided in the middle of the bottom end of the detection body (1), and a nitrogen sensor (15) is installed in the groove (14). Adsorption plates (7) are fixed at the four corners of the bottom end of the detection body (1). A display screen (3) is provided on one side of the long side of the detection body (1). A fixing box (5) is provided below the display screen (3). A draw groove is provided on one side of the fixing box (5). A fixing belt (6) is wound inside the fixing box (5). The fixing box (5) is fixed to one side of the detection body (1), and one end of the fixing belt (6) extends out of the draw groove. A fixing block (8) is connected to the bottom end of the other side of the detection body (1). A through groove (9) is provided at the top end of the fixing block (8), and the through groove (9) simultaneously penetrates the bottom end of the fixing block (8). A plurality of through holes are provided on the side of the fixing block (8) away from the detection body (1), and the plurality of through holes are connected to the through groove (9). The interiors of the plurality of through holes are threadedly matched with fixing screws (10).

2. A leakage detection device for a nitrogen protection device according to claim 1, characterized in that: An alarm light (2) is fixed to the top of the detection body (1), a protective baffle (4) is arranged above the display screen (3), and one side of the protective baffle (4) is fixed to the side of the detection body (1).

3. The leakage detection device of a nitrogen protection device according to claim 1, characterized in that: An insertion groove is provided at the bottom end of one side of the short side of the detection body (1), the insertion groove is connected to the groove (14), and a protective net (11) is inserted into the interior of the insertion groove.

4. A leakage detection device for a nitrogen protection device according to claim 3, characterized in that: One end of the protective net (11) extends out of the insertion slot, and the extended end of the protective net (11) is connected to a blocking plate (12), and one end of the blocking plate (12) is fixed with an auxiliary handle (13).

5. The leakage detection device for a nitrogen protection device according to claim 1, characterized in that: A concentration sensor is arranged inside the groove (14).

6. The leakage detection device for a nitrogen protection device according to claim 2, characterized in that: The warning light (2) and the nitrogen sensor (15) are connected via a signal.

7. The leakage detection device for a nitrogen protection device according to claim 1, characterized in that: The detection body (1) has a built-in power supply.

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