CN221148514U - Novel thermal release ion detector - Google Patents
Novel thermal release ion detector Download PDFInfo
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- CN221148514U CN221148514U CN202323186627.4U CN202323186627U CN221148514U CN 221148514 U CN221148514 U CN 221148514U CN 202323186627 U CN202323186627 U CN 202323186627U CN 221148514 U CN221148514 U CN 221148514U
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Abstract
The utility model discloses a novel thermal release ion detector which comprises a detection shell, a pipeline connecting piece and a detection pipeline. The detection shell is internally provided with a pump component and a pyroelectric ion detector which are communicated with each other; the pipeline connecting piece is fixed on the detection shell, and the pump piece is communicated with the pipeline connecting piece through a connecting pipe; the detection pipeline is a strip-shaped hollow hose, and a plurality of detection air inlets are formed in the outer wall of the detection pipeline; the detection pipeline can be inserted into the interface of the pipeline connecting piece, and the pump piece is used for sucking external air along a plurality of detection air inlets and conveying the external air to the pyroelectric ion detector. According to the utility model, the novel pyroelectric ion detector can collect external air in a larger area along the detection pipeline, and the external air is pumped in along a plurality of detection air inlets through the pump piece and conveyed to the pyroelectric ion detector.
Description
Technical Field
The utility model relates to air detection equipment, in particular to a novel pyroelectric ion detector.
Background
Because of the special in the power grid field, electrical equipment spreads quickly once the fire is on, and the fire is hard to extinguish, a large number of primary equipment and secondary equipment can be directly burnt, and the equipment is on fire and explodes to nearby equipment, so that long-time power failure repair is required, and the operation safety of the power grid is seriously influenced.
The substances decompose into pyroelectric particles when heated, the pyroelectric particles are the smallest substance organization components which can exist in a free state, the generation time of the pyroelectric particles is earlier than that of smoke, and early symptoms of electric fire can be detected by using the scene in the fire alarm industry. The current mainstream detection method is a light particle counting method, the concentration of pyroelectric ions is monitored by a power grid fire hazard monitoring and early warning system, and the combustion stage is judged by comparing the concentration with a threshold value, so that an early fire alarm function is realized.
The utility model discloses a heat release ion detecting device, which is disclosed in Chinese patent publication No. CN212341014U and comprises a detecting shell, a water adding component and a photosensitive component, wherein a detecting space is formed around the detecting shell, an air inlet hole and an air outlet hole are respectively formed in the detecting shell, the water adding component comprises a pumping piece and an opening and closing piece, the opening and closing piece is used for opening the air outlet hole to discharge air in the detecting space, the pumping piece is used for leading air outside the detecting shell into the detecting space from the air inlet hole so as to pressurize to enable moisture in the air in the detecting space to be liquefied into water vapor, the photosensitive component comprises a light source generator and a light receiving piece, the light source generator is used for sending a light source with preset wavelength into the detecting space, and the light receiving piece is used for detecting the light intensity of the light source refracted by the water vapor.
In the prior art, a pyroelectric ion detector is used as front-end acquisition equipment and needs to be directly deployed in a cabinet body or an equipment room of an electrical equipment cabinet, air to be detected is sucked through a pump part configured by the detector, but the performance of the pump part of the detector is limited, so that the detector can only suck and detect the air in a small local area, the reliability and timeliness of monitoring are affected, and the detector is limited to be used in the cabinet of small electrical equipment.
Disclosure of utility model
In order to overcome the technical defects, the utility model provides a novel pyroelectric ion detector.
In order to solve the problems, the utility model is realized according to the following technical scheme:
the utility model relates to a novel thermal release ion detector, which comprises:
the detection shell is internally provided with a pump component and a pyroelectric ion detector which are communicated with each other;
The pipeline connecting piece is fixed on the detection shell, an interface of the pipeline connecting piece is exposed on the outer wall of the detection shell, and the pump piece is communicated with the pipeline connecting piece through a connecting pipe;
The detection pipeline is a strip hollow hose, and a plurality of detection air inlets are formed in the outer wall of the detection pipeline;
The detection pipeline can be inserted into the interface of the pipeline connecting piece, and the pump piece is used for sucking external air along a plurality of detection air inlets and conveying the external air to the pyroelectric ion detector.
Preferably, the plurality of detection air inlets are distributed at equal intervals along the length direction of the detection pipeline.
Preferably, the detection pipeline is a silica gel hose, the detection pipeline is provided with an open end and a closed end along the length direction of the detection pipeline, the open end of the detection pipeline is inserted into the connector of the pipeline connecting piece, and the closed end of the detection pipeline is closed.
Preferably, 3 ribs are arranged on the inner wall of the detection pipeline, the lengths of the ribs are matched with those of the detection pipeline, and the ribs are used for preventing the internal channel of the detection pipeline from being blocked when the detection pipeline is bent;
3 protruding muscle is radial ring cloth on the inner wall of detection pipeline, protruding muscle's cross-section profile is triangle-shaped, protruding muscle and the setting of staggering each other of detecting the inlet port.
Preferably, the length of the detection pipeline is not more than 2m, and the interval between adjacent detection air inlets is not less than 40cm.
Preferably, the detection air inlet hole is a strip-shaped hole.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a novel thermal release ion detector which comprises a detection shell, a pipeline connecting piece and a detection pipeline. The detection shell is internally provided with a pump component and a pyroelectric ion detector which are communicated with each other; the pipeline connecting piece is fixed on the detection shell, an interface of the pipeline connecting piece is exposed on the outer wall of the detection shell, and the pump piece is communicated with the pipeline connecting piece through a connecting pipe; the detection pipeline is a strip-shaped hollow hose, and a plurality of detection air inlets are formed in the outer wall of the detection pipeline; the detection pipeline can be inserted into the interface of the pipeline connecting piece, and the pump piece is used for sucking external air along a plurality of detection air inlets and conveying the external air to the pyroelectric ion detector.
According to the utility model, the detection pipeline is a long hollow hose, the pipeline is provided with the plurality of detection air inlets, the aperture of the detection air inlets is small, the novel pyroelectric ion detector can collect air in a larger range along the detection pipeline, and external air is pumped in along the plurality of detection air inlets and conveyed to the pyroelectric ion detector through the pump.
The novel combination of the thermal release ion detector and the detection hose can realize air detection in a longitudinal or transverse larger area in the equipment cabinet body and the equipment room, so that the application scene of the product is improved. Compared with the detection of air in a local single space, the device can greatly improve the accuracy and reliability of fire disaster identification.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a perspective view of a novel pyroelectric ion detector of the present utility model;
FIG. 2 is a schematic diagram of the assembly of a novel pyroelectric ion detector of the present utility model;
FIG. 3 is a schematic diagram of the assembly of a pyroelectric ion detector and a pump member of a novel pyroelectric ion detector of the present utility model;
FIG. 4 is a schematic view of the structure of the detection pipe of the present utility model;
In the figure:
10-a detection housing;
20-a pump member;
30-a pyroelectric ion detector;
40-detecting pipelines, 41-ribs and 42-detecting air inlets;
50-pipe connection;
60-electric control valve;
70-a filter;
80-circuit board.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in fig. 1 to 4, a preferred structure of the novel pyroelectric ion detector according to the present utility model is shown.
As shown in fig. 1, the novel pyroelectric ion detector comprises a detection shell 10, a pipeline connecting piece 50, a detection pipeline 40, a circuit board 80, a pump piece 20 and a pyroelectric ion detector 30, wherein the pump piece and the pyroelectric ion detector are communicated through a connecting hose, the pump piece is communicated with the pipeline connecting piece through another connecting hose, the circuit board is respectively connected with the pump piece and the pyroelectric ion detector so as to control and supply power to the pump piece, and the circuit board is connected with the pyroelectric ion detector so as to acquire detection signals of the pyroelectric ion detector, and timely acquire alarm conditions and output alarms.
In a preferred implementation, the circuit board is provided with a communication module, which may be wireless or wired for networking and interaction with an upper computer.
Wherein, a pump component and a pyroelectric ion detector which are communicated are arranged in the detection shell; the pipeline connecting piece is fixed on the detection shell, an interface of the pipeline connecting piece is exposed on the outer wall of the detection shell, and the pump piece is communicated with the pipeline connecting piece through a connecting pipe; the detection pipeline is a strip-shaped hollow hose, and a plurality of detection air inlets are formed in the outer wall of the detection pipeline; the detection pipeline can be inserted into the interface of the pipeline connecting piece, and the pump piece is used for sucking external air along a plurality of detection air inlets and conveying the external air to the pyroelectric ion detector.
In one implementation, the detection housing is made of a plastic material, and the detection housing includes a housing having a cavity to accommodate each functional component and a base plate covering the housing, the housing and the base plate being connected by bolts.
In a specific implementation, the pipeline connecting piece can adopt an air pipe connector, and particularly can adopt a clamping sleeve type air pipe connector, and the air pipe connector has the advantages of advanced structure, good performance, convenient use, no welding, no pipe flaring and the like; is very suitable for the use of the product.
Specifically, the outer wall of detecting the casing is provided with the installation vacancy of pipeline connecting piece, through with pipeline connecting piece card solid on detecting the outer wall of casing. In a preferred embodiment, the outer wall of the detection housing is further provided with a terminal for connecting an external power supply or the like to the circuit board.
As shown in fig. 3, in a preferred implementation, the novel pyroelectric ion detector further includes a protection box, the protection box is a box structure formed by bending a metal sheet metal part, the circuit board, the pump element and the pyroelectric ion detector are all arranged in the protection box, and the purpose of the arrangement of the protection box is to further improve the protection performance of the product, protect the core requirement, reduce the problem of damage caused by external factors, so as to ensure long-term reliable operation of the product, recycle and the like.
In a specific implementation, the protection box is further provided with an air pipe connector, one end of the air pipe connector is communicated with the pump part through a connecting pipe, and the other end of the air pipe connector is communicated with the pipe fitting connecting part through a connecting pipe. In a preferred implementation, the novel pyroelectric ion detector further comprises an electric control valve, wherein the electric control valve is connected with the circuit board, the electric control valve is arranged on the connecting pipe of the air pipe joint and the pipe fitting connecting piece, and the communication between the pump piece and the detection pipeline is controlled by controlling the electric control valve.
The setting of the electric control valve aims at enabling the pump to switch different detection pipelines to be communicated when the electric control valve is provided with a plurality of groups of detection pipelines so as to detect air in different areas. For example, the novel pyroelectric ion detector comprises two pipeline connectors and two detection pipelines, wherein one detection pipeline is transversely arranged, and one detection pipeline is longitudinally arranged. Specifically, the electric control valve is respectively communicated with the two pipeline connecting pieces and the two detection pipelines, and is used for controlling and switching the conduction between the two detection pipelines and the pump piece.
The pump member is a small air pump, and the pyroelectric ion detector is also called a pyrolytic particle sensor. Specifically, the circuit board, the pump member and the pyroelectric ion detector in this patent are existing devices in the field, belong to commercial products, are not the core research and development of this patent, but are not described in too much here, and have the related technology in CN 212341014U.
In a preferred implementation, a filter 70 is further disposed between the pump member 20 and the electric control valve 60, the filter includes an oval transparent casing and a HEPA filter core material disposed in the oval transparent casing, two ends of the oval transparent casing have connection holes for plugging in a pipe, the HEPA filter core material has a columnar structure, and the HEPA filter core material is disposed between the two connection holes.
The purpose of the design is that when the thermal release ion is detected, the filter is used for filtering the air, so that the inherent solid dust particles with the particle diameter of more than 1 mu m in the air are removed, and the interference of detection and the blockage of the thermal release ion detector are avoided. The filtered air sample passes through a thermal ion detector, the thermal ion detector detects thermal ions in the air, and when the detected thermal ions reach a first early warning threshold value, the circuit board gives out fire early warning, so that the extremely early warning of the fire is realized.
As shown in fig. 4, the detection pipe is a silica gel hose, the detection pipe has an open end and a closed end along its length direction, the open end of the detection pipe is inserted into the connector of the pipe connector, and the closed end of the detection pipe is closed.
In one embodiment, the plurality of the air intake holes 42 are equally spaced along the length of the detection duct.
In a preferred implementation, the inner wall of the detection pipe 40 is provided with 3 ribs 41, the length of which is adapted to the length of the detection pipe, and the ribs are used for preventing the internal channel of the detection pipe from being blocked when the detection pipe is bent;
3 protruding muscle is radial ring cloth on the inner wall of detection pipeline, protruding muscle's cross-section profile is triangle-shaped, protruding muscle and the setting of staggering each other of detecting the inlet port.
It can be understood that through being provided with a plurality of protruding muscle at the inner wall of detecting the pipeline, its theory of operation is when detecting the pipeline and receive the bending, and is inconsistent with the inner wall of detecting the pipeline through protruding muscle, utilizes the thickness of protruding muscle to make the inside passageway of detecting the pipeline keep certain hole to for gaseous etc. to pass through, prevents to detect the pipeline when the installation is used, because of crooked bending and jam, can't carry out the problem of air sampling.
In order to avoid the effective and reliable operation of the detection pipeline, the length of the detection pipeline is not more than 2m, and the interval between adjacent detection air inlets is not less than 40cm. So as to avoid overlong detection pipelines, and the pump part can not reliably suck external air through the detection air inlet hole positioned at the tail end of the detection pipeline, thereby wasting pipes.
In a preferred embodiment, the probe inlet holes are bar-shaped holes. Specifically, the aperture of the air inlet hole can be set according to the actual equipment condition.
Other structures of the novel pyroelectric ion detector described in this embodiment are referred to in the prior art.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (6)
1. A novel pyroelectric ion detector, comprising:
the detection shell is internally provided with a pump component and a pyroelectric ion detector which are communicated with each other;
The pipeline connecting piece is fixed on the detection shell, an interface of the pipeline connecting piece is exposed on the outer wall of the detection shell, and the pump piece is communicated with the pipeline connecting piece through a connecting pipe;
The detection pipeline is a strip hollow hose, and a plurality of detection air inlets are formed in the outer wall of the detection pipeline;
The detection pipeline can be inserted into the interface of the pipeline connecting piece, and the pump piece is used for sucking external air along a plurality of detection air inlets and conveying the external air to the pyroelectric ion detector.
2. The novel pyroelectric ion detector as recited in claim 1 wherein:
The detection air inlets are distributed at equal intervals along the length direction of the detection pipeline.
3. A novel pyroelectric ion detector as recited in claim 2 wherein:
The detection pipeline is a silica gel hose, the detection pipeline is provided with an opening end and a closed end along the length direction of the detection pipeline, the opening end of the detection pipeline is inserted into the connector of the pipeline connecting piece, and the closed end of the detection pipeline is closed.
4. A novel pyroelectric ion detector as recited in claim 3 wherein:
The inner wall of the detection pipeline is provided with 3 convex ribs, the lengths of the convex ribs are matched with the lengths of the detection pipeline, and the convex ribs are used for preventing the inner channel of the detection pipeline from being blocked when the detection pipeline is bent;
3 protruding muscle is radial ring cloth on the inner wall of detection pipeline, protruding muscle's cross-section profile is triangle-shaped, protruding muscle and the setting of staggering each other of detecting the inlet port.
5. A novel pyroelectric ion detector as recited in claim 2 wherein:
The length of the detection pipeline is not more than 2m, and the interval between adjacent detection air inlets is not less than 40cm.
6. The novel pyroelectric ion detector as recited in claim 5, wherein:
the detection air inlet is a strip-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323186627.4U CN221148514U (en) | 2023-11-24 | 2023-11-24 | Novel thermal release ion detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323186627.4U CN221148514U (en) | 2023-11-24 | 2023-11-24 | Novel thermal release ion detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221148514U true CN221148514U (en) | 2024-06-14 |
Family
ID=91386675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323186627.4U Active CN221148514U (en) | 2023-11-24 | 2023-11-24 | Novel thermal release ion detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221148514U (en) |
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2023
- 2023-11-24 CN CN202323186627.4U patent/CN221148514U/en active Active
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