CN211344811U - Ventilation system is with overhauing device - Google Patents
Ventilation system is with overhauing device Download PDFInfo
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- CN211344811U CN211344811U CN201921256759.0U CN201921256759U CN211344811U CN 211344811 U CN211344811 U CN 211344811U CN 201921256759 U CN201921256759 U CN 201921256759U CN 211344811 U CN211344811 U CN 211344811U
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Abstract
The utility model discloses an overhaul device for a ventilation system, which comprises an expandable outer frame and a spring, wherein one side of the inner part of the expandable outer frame is connected with a first arc plate through the spring, the other side of the inner part of the expandable outer frame is connected with a second arc plate through the spring, a first pressure sensor is arranged at the lower end of the first arc plate, a second pressure sensor is arranged at the upper end of the second arc plate, a handle is arranged below the expandable outer frame, a controller and an alarm which are arranged side by side up and down are arranged on the front surface of the handle, the volume of the overhaul device is smaller, when the overhaul device needs to be examined, the overhaul device can be moved along the direction of a pipeline by only being held by hands, the detection is convenient, the utility model is provided with the pressure sensor on the arc plate with elasticity, and the alarm is arranged, when the gas sprayed out from an air leakage hole can change the detection value of the pressure sensor on the arc plate when the position of the, the alarm can give an alarm.
Description
Technical Field
The utility model relates to a ventilation system technical field specifically is a ventilation system is with overhauing device.
Background
Ventilation is a building environment control technology which controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and realizes the quality guarantee of indoor and outdoor air environments. The ventilation system realizes the ventilation function and comprises a whole set of devices including an air inlet, an air outlet, an air supply pipeline, a fan, a cooling and heating device, a filter, a control system and other accessory equipment;
the lower ventilating duct is used for a long time, so that the air leakage phenomenon can occur, generally, the lower ventilating duct needs to be overhauled, the position of an air leakage hole needs to be found at first during overhauling, the existing device for finding the air leakage hole is large and troublesome to find, and the problem is solved by a device which is small in size and convenient to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation system is with overhauing device to it is great to solve the current device of looking for the gas leakage hole among the prior art, looks for the trouble, so needs a volume less, and the problem of this problem is solved to the device of convenient operation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ventilation system is with overhauing device, includes can open outer frame and spring, there is first arc board in inside one side of the outer frame of can opening through spring coupling, and can open the inside opposite side of outer frame and have the second arc board through spring coupling, first pressure sensor is installed to the lower extreme of first arc board, second pressure sensor is installed to the upper end of second arc board, the below of the outer frame of can opening is provided with the handle, the front surface mounting of handle has upper and lower controller and alarm side by side.
Preferably, the outer frame that can open includes fixed arc board and reset hinge, and first arc frame is installed to one side of fixed arc board, the opposite side of fixed arc board is through installing the second arc frame, all is connected with outer arc spring holder between the internal surface of first arc frame and second arc frame and the spring, first arc board all is through inner arc spring holder and spring coupling with the second arc board.
Preferably, the first arc frame and the second arc frame are rotatably connected with the fixed arc plate through reset hinges, and the fixed arc plate, the first arc frame and the second arc frame form an annular shape.
Preferably, a switch is mounted on the front surface of the lower end of the handle.
Preferably, the output ends of the second pressure sensor and the first pressure sensor are electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm.
Preferably, the bracelet is installed to the lower extreme of handle, and the circumference outside of bracelet is provided with the bubble cotton.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has small volume, is handheld, and can be detected by only holding the device by hand when needing to be detected and moving the device along the direction of the pipeline, thus being convenient to detect;
2. the utility model discloses set up pressure sensor on having elastic arc to set up the alarm, when detecting the gas leakage hole position when gas leakage hole spun gas can make pressure sensor's on the arc detected value change, the alarm can report to the police, makes things convenient for the operator to know the gas leakage position rapidly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an expanded view of the expandable outer frame of the present invention;
fig. 3 is a partial schematic view of the first arc plate and the second arc plate contacting each other according to the present invention.
In the figure: 1. a bracelet; 2. a controller; 3. an alarm; 4. a handle; 5. an expandable outer frame; 51. fixing the arc plate; 52. a reset hinge; 53. a first arc frame; 54. a second arc frame; 6. a switch; 7. a spring; 71. an outer arc spring seat; 72. an inner arc spring seat; 9. a first arc plate; 10. a second arc plate; 11. a second pressure sensor; 12. a first pressure sensor.
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, 3 and 2, in an embodiment of the present invention, an overhaul device for a ventilation system includes an expandable outer frame 5 and a spring 7, one side of the interior of the expandable outer frame 5 is connected to a first arc plate 9 through the spring 7, and the other side of the interior of the expandable outer frame 5 is connected to a second arc plate 10 through the spring 7, the first arc plate 9 and the second arc plate 10 are used as stressed surfaces of gas leaking from a leakage position of a pipeline, that is, the gas leaks from a leakage hole and then directly blows on the inner surfaces of the first arc plate 9 and the second arc plate 10;
with continued reference to fig. 1 and 2, the expandable outer frame 5 includes a fixed arc plate 51 and a reset hinge 52, a first arc frame 53 is installed on one side of the fixed arc plate 51, a second arc frame 54 is installed on the other side of the fixed arc plate 51, the first arc frame 53 and the second arc frame 54 are both rotatably connected with the fixed arc plate 51 through the reset hinge 52, the fixed arc plate 51, the first arc frame 53 and the second arc frame 54 form an annular shape, the first arc frame 53 and the second arc frame 54 can be expanded on the fixed arc plate 51, so that the annular expandable outer frame 5 can be sleeved outside the pipe to be detected, the overall diameter of the expandable outer frame 5 is greater than the pipe diameter by 5-7 cm, an outer arc spring seat 71 is connected between the inner surfaces of the first arc frame 53 and the second arc frame 54 and the spring 7, the first arc plate 9 and the second arc plate 10 are both connected with the spring 7 through an inner arc spring seat 72, the first arc frame 53 and the second arc frame 54 should be made of hard alloy;
referring to fig. 2, a first pressure sensor 12 is mounted at the lower end of the first arc plate 9, a second pressure sensor 11 is mounted at the upper end of the second arc plate 10, the first pressure sensor 12 detects the pressure between the lower ends of the first arc plate 9 and the second arc plate 10, the second pressure sensor 11 detects the pressure between the upper ends of the first arc plate 9 and the second arc plate 10, and the detection signals of the two are transmitted to the controller 2;
referring to fig. 1, a handle 4 is arranged below an openable outer frame 5, a hand ring 1 is mounted at the lower end of the handle 4, foam is arranged outside the circumference of the hand ring 1, the device can be conveniently used by picking up the hand ring 1, a switch 6 is mounted on the front surface of the lower end of the handle 4, a controller 2 and an alarm 3 are mounted on the front surface of the handle 4 in parallel, and the controller 2, the alarm 3 and a pressure sensor can work by turning on the switch 6;
the output ends of the second pressure sensor 11 and the first pressure sensor 12 are electrically connected with the input end of the controller 2, the output end of the controller 2 is electrically connected with the input end of the alarm 3, the second pressure sensor 11 and the first pressure sensor 12 detect the pressure between the two arc-shaped plates and transmit signals to the controller 2, the controller 2 has a set value, and when the detection values of the second pressure sensor 11 and the first pressure sensor 12 reach the set value, the controller 2 controls the alarm 3 to alarm.
The utility model discloses a theory of operation and use flow: when the device is used, the first arc frame 53 and the second arc frame 54 are manually opened, the second arc plate 10 and the first arc plate 9 are sleeved outside a pipeline to be detected (the distance between the second arc plate 10 and the first arc plate 9 and the pipeline is at least 2-3 cm, namely, the diameter of a circular ring formed by the second arc plate 10 and the first arc plate 9 is 2-3 cm larger than that of the pipeline), at the moment, due to the reset action of the reset hinge 52, the first arc frame 53 and the second arc frame 54 are automatically closed, the switch 6 is opened, the hand ring 1 is held, the device is moved along the direction of the pipeline (the interior of the pipeline is required to be in a positive pressure state during detection, namely, a fan influences air blowing towards the interior of the pipeline, and at the moment, air valves of all pipelines are required to be in a closed state, namely, the interior of the pipeline is in a close sealing state), if the device is moved, if an air leakage position of, gas can be spouted from the gas leakage holes, the gas is spouted on the first arc plate 9 and the second arc plate 10, so that the first arc plate 9 and the second arc plate 10 compress the spring 7, further, the detection values of the second pressure sensor 11 and the first pressure sensor 12 between the first arc plate 9 and the second arc plate 10 are changed, the second pressure sensor 11 and the first pressure sensor 12 transmit signals to the controller 2, the controller 2 has a set value, when the detection values of the second pressure sensor 11 and the first pressure sensor 12 all reach the set value, the controller 2 controls the alarm 3 to alarm, the gas leakage position of the pipeline is detected at the moment, and the pipeline repairing device can be used for repairing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a ventilation system is with overhauing device, includes outer frame (5) and spring (7) can open, its characterized in that: the utility model discloses a novel alarm device, but the inside one side of outer frame (5) can be opened is connected with first arc board (9) through spring (7), and the inside opposite side of outer frame (5) can be opened is connected with second arc board (10) through spring (7), first pressure sensor (12) are installed to the lower extreme of first arc board (9), second pressure sensor (11) are installed to the upper end of second arc board (10), the below that can open outer frame (5) is provided with handle (4), controller (2) and alarm (3) side by side from top to bottom are installed to the preceding surface mounting of handle (4).
2. The maintenance device for the ventilating system according to claim 1, wherein: including fixed arc board (51) and reset hinge (52), first arc frame (53) are installed to one side of fixed arc board (51), the opposite side of fixed arc board (51) is through installing second arc frame (54), all is connected with outer arc spring holder (71) between the internal surface of first arc frame (53) and second arc frame (54) and spring (7), first arc board (9) all are connected with spring (7) through inner arc spring holder (72) with second arc board (10).
3. The maintenance device for the ventilating system according to claim 2, wherein: the first arc frame (53) and the second arc frame (54) are rotatably connected with the fixed arc plate (51) through the reset hinge (52), and the fixed arc plate (51), the first arc frame (53) and the second arc frame (54) form an annular shape.
4. The maintenance device for the ventilating system according to claim 1, wherein: and a switch (6) is arranged on the front surface of the lower end of the handle (4).
5. The maintenance device for the ventilating system according to claim 1, wherein: the output ends of the second pressure sensor (11) and the first pressure sensor (12) are electrically connected with the input end of the controller (2), and the output end of the controller (2) is electrically connected with the input end of the alarm (3).
6. The maintenance device for the ventilating system according to claim 1, wherein: bracelet (1) is installed to the lower extreme of handle (4), and the circumference outside of bracelet (1) is provided with the bubble cotton.
Priority Applications (1)
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CN201921256759.0U CN211344811U (en) | 2019-08-06 | 2019-08-06 | Ventilation system is with overhauing device |
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CN201921256759.0U CN211344811U (en) | 2019-08-06 | 2019-08-06 | Ventilation system is with overhauing device |
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CN211344811U true CN211344811U (en) | 2020-08-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114112242A (en) * | 2021-11-30 | 2022-03-01 | 重庆重科大分析仪器有限公司 | Natural gas conveying pipeline gas leakage detection device convenient to remove |
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2019
- 2019-08-06 CN CN201921256759.0U patent/CN211344811U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114112242A (en) * | 2021-11-30 | 2022-03-01 | 重庆重科大分析仪器有限公司 | Natural gas conveying pipeline gas leakage detection device convenient to remove |
CN114112242B (en) * | 2021-11-30 | 2024-06-25 | 重庆重科大分析仪器有限公司 | Natural gas conveying pipeline gas leakage detection device convenient to remove |
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Denomination of utility model: A maintenance device for ventilation system Effective date of registration: 20210118 Granted publication date: 20200825 Pledgee: Bank of China Limited Yixing branch Pledgor: PAL-LAB EQUIPMENT Co.,Ltd. Registration number: Y2021320010017 |