Automatic PIR sensitivity inspection equipment for infrared detector

Abstract

The utility model discloses an automatic PIR sensitivity inspection device for an infrared detector, which belongs to the field of infrared detector processing and comprises a bottom plate, two conveying tables are arranged at the top of the bottom plate, a PIR sensitivity inspector is fixedly connected to the top of the bottom plate, a rotary conveying mechanism is arranged at the top of the bottom plate, and the rotary conveying mechanism comprises a rotary shaft. The top of the rotating shaft is fixedly connected with a rotating disc, a clutch type electrifying assembly is arranged between the rotating disc and the PIR sensitivity checker, and a plurality of clamping assemblies are arranged on the top of the rotating disc in the circumferential direction. The device has the beneficial effects that the multiple sets of clamping assemblies are arranged on the top of the rotating disc in the circumferential direction, a base plate is clamped and locked through the clamping assemblies, and it is avoided that in the rotating process of the rotating disc, the position of the base plate deviates; and a groove is formed in the containing base, an electric heating wire is arranged in the groove, a control assembly is arranged at the bottom of the rotating disc, the electric heating wire is automatically powered on after rotating to a certain area through the control assembly, and the base plate and the surface cover are preheated.

Description

TECHNICAL FIELD

[0001] The utility model relates to infrared detector processing field especially, and relates to a kind of equipment of infrared detector automatic PIR sensitivity check. BACKGROUND

[0002] PIR is called passive infrared sensor (also known as pyroelectric infrared sensor), it is a new type of high-sensitivity detection element developed in recent years, it is a kind of sensor that can detect the infrared emitted by human body and output electric signal, it can form anti-intrusion alarm or various automation energy-saving devices, it can detect the change of infrared energy radiated by human body in non-contact form, and convert it into voltage signal output. This voltage signal is amplified, and various control circuits can be driven, such as power switch control, anti-theft and fire alarm, etc. In the production process of infrared detector, PIR is needed to test and calibrate the sensitivity of infrared detector.

[0003] In the prior art, the substrate is first placed on the rotating disc, then the cover is matched on the substrate, and the substrate and the cover are preheated, then the assembled substrate and cover are rotated to the PIR sensitivity checker in the rotating disc, so as to detect the sensitivity. However, the substrate is directly placed on the rotating disc, lacks limiting, and may be offset during rotation of the rotating disc, affecting the detection accuracy. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned problems and provides a kind of equipment of infrared detector automatic PIR sensitivity check.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of equipment of infrared detector automatic PIR sensitivity check, including bottom plate, the top of bottom plate is provided with two conveying tables, the top of bottom plate is fixedly connected with PIR sensitivity checker, the top of bottom plate is provided with rotating conveying mechanism, rotating conveying mechanism includes rotating shaft, the top of rotating shaft is fixedly connected with rotating disc, rotating disc and PIR sensitivity checker are provided with clutch type power-on assembly, PIR sensitivity checker is powered on when rotating disc does not rotate by clutch type power-on assembly, the top of rotating disc is provided with a plurality of clamping assemblies in circumference, clamping assembly includes the placement seat fixedly connected on the top of rotating disc, hydraulic cylinder is fixedly connected on the both sides of placement seat, the output end of hydraulic cylinder is fixedly connected with limit stop, recess is set up in the wall of placement seat, electric heating wire is set up in recess, the bottom of rotating disc is provided with control assembly, electric heating wire is powered on automatically after rotating to certain area by control assembly, start preheating to substrate and cover.

[0007] Preferably, the control assembly comprises a supporting column fixedly connected to the top of the bottom plate, a fixing disc fixedly connected to the top of the supporting column, the fixing disc being located below the rotating disc and being rotatably connected between the fixing disc and the rotating shaft, and an arc-shaped contact piece fixedly connected to the top of the fixing disc.

[0008] Preferably, the rotating conveying mechanism further comprises a stepping motor fixedly connected to the top of the bottom plate, and an output end of the stepping motor being connected to the rotating shaft through a shaft coupling.

[0009] Preferably, the clutch-type power supply assembly comprises a plurality of communication pins fixedly connected to the bottom of the rotating disc, the positions and the number of the communication pins corresponding to the placing seats, an electric push rod fixedly connected to the bottom of the PIR sensitivity checker, and a communication pin disc fixedly connected to the top of the electric push rod, the communication pin disc being used in cooperation with the communication pins.

[0010] Preferably, the front side of the PIR sensitivity checker is provided with a relief hole, and a part of the rotating disc is located in the relief hole.

[0011] Preferably, the bottom of the PIR sensitivity checker is provided with a placing groove in communication with the relief hole, and the electric push rod is located in the placing groove.

[0012] Beneficial effects are that a plurality of clamping assemblies are circumferentially arranged on the top of the rotating disc, the clamping assemblies are used to clamp and lock the base plate, so that the position of the base plate is prevented from being deviated during the rotation of the rotating disc, grooves are arranged in the placing seats, electric heating wires are arranged in the grooves, the bottom of the rotating disc is provided with a control assembly, and the electric heating wires are automatically powered after being rotated to a certain area, so that the base plate and the face cover are preheated.

[0013] The additional technical features and advantages of the present application will be more obvious in the following description, or can be understood through the specific practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and together with the following detailed description, serve to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0015] Figure 1 is a general structure schematic view of the infrared detector automatic PIR sensitivity checking device according to the present application;

[0016] Figure 2 is a front view of the infrared detector automatic PIR sensitivity checking device according to the present application;

[0017] Figure 3This is a top view of a device for automatic PIR sensitivity inspection of infrared detectors according to the present invention;

[0018] Figure 4 This is a top view of the control assembly of a device for automatic PIR sensitivity inspection of infrared detectors according to the present invention;

[0019] Figure 5 This is a bottom view of a turntable of a device for automatic PIR sensitivity testing of infrared detectors according to the present invention;

[0020] Figure 6 This is a schematic diagram of a clamping assembly of a device for automatic PIR sensitivity inspection of infrared detectors according to the present invention;

[0021] Figure 7 It is a front view of the internal structure of a clamping component of a device for automatic PIR sensitivity inspection of infrared detectors described in the utility model.

[0022] The description of the accompanying numbers is as follows: 1. Base plate; 2. Conveying platform; 3. PIR sensitivity tester; 401. Stepping motor; 402. Rotating shaft; 403. Turntable; 501. Placement seat; 502. Hydraulic cylinder; 503. Limiting plate; 601. Heating wire; 602. Support column; 603. Fixed plate; 604. Arc-shaped contact piece; 605. Conductive column; 701. Communication pin; 702. Electric push rod; 703. Communication needle disk. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-7As shown, a kind of infrared detector automatic PIR sensitivity inspection equipment, the top of base plate 1 is provided with two conveying tables 2, and the two conveying tables 2 are used to transport substrate and face cover respectively, the top of base plate 1 is fixedly connected with PIR sensitivity inspector 3, the top of base plate 1 is provided with rotary conveying mechanism, and the rotary conveying mechanism includes step motor 401, the step motor 401 is bolted on the top of base plate 1, the output end of step motor 401 is connected with rotating shaft 402 by shaft coupling, the top of rotating shaft 402 is fixedly connected with turntable 403, start step motor 401, and step motor 401 drives rotating shaft 402 to drive turntable 403 to rotate by certain angle, the front side of PIR sensitivity inspector 3 is provided with avoiding hole, and part of turntable 403 is located in the avoiding hole.

[0027] Clutch type power assembly is arranged between turntable 403 and PIR sensitivity inspector 3, PIR sensitivity inspector 3 is powered on when turntable 403 does not rotate, and the clutch type power assembly includes a plurality of communication thimbles 701 fixedly connected to the bottom of turntable 403, the position and quantity of communication thimbles 701 correspond to placing seat 501, the bottom of PIR sensitivity inspector 3 is fixedly connected with electric push rod 702, the top of electric push rod 702 is fixedly connected with communication needle disc 703, communication needle disc 703 is used in pairs with communication thimbles 701, the bottom of PIR sensitivity inspector 3 is provided with placing groove, and the placing groove is communicated with avoiding hole, electric push rod 702 is located in the placing groove, when turntable 403 rotates, communication thimbles 701 are separated from communication needle disc 703, PIR sensitivity inspector 3 is powered off, when turntable 403 stops rotating, communication needle disc 703 is moved upward by controlling electric push rod 702, so that communication thimbles 701 are combined with communication needle disc 703, and PIR sensitivity inspector 3 is powered on.

[0028] The top of turntable 403 is circumferentially provided with a plurality of clamping assemblies, the clamping assembly includes placing seat 501 fixedly connected to the top of turntable 403, placing seat 501 is U-shaped with opening facing upward, two sides of placing seat 501 are fixedly connected with hydraulic cylinders 502, the output end of hydraulic cylinder 502 is fixedly connected with limit plate 503, and limit plate 503 is located between placing seat 501, after substrate is placed between placing seat 501, two limit plates 503 are moved towards each other by controlling hydraulic cylinder 502, and substrate is positioned and locked.

[0029] Groove is formed in the wall of placing seat 501, and electric heating wire 601 is arranged in the groove, the bottom of turntable 403 is provided with control assembly, electric heating wire 601 is automatically powered on after being rotated to certain area by control assembly, and substrate and face cover are preheated.

[0030] The control assembly comprises a supporting column 602 fixedly connected to the top of the bottom plate 1, a fixed disc 603 fixedly connected to the top of the supporting column 602, the fixed disc 603 being located below the rotating disc 403, the fixed disc 603 being rotatably connected between the rotating shaft 402, the top of the fixed disc 603 being fixedly connected with an arc-shaped contact piece 604, the bottom of the rotating disc 403 being fixedly connected with a plurality of conductive columns 605, the conductive columns 605 being electrically connected with the electric heating wires 601 in each placing seat 501 respectively, and the electric heating wire 601 corresponding to the conductive column 605 being electrified when the conductive column 605 contacts with the arc-shaped contact piece 604.

[0031] Working principle: the base plate and the face cover are respectively conveyed through the two conveying tables 2, the base plate is placed on the placing seat 501 through the mechanical arm, the two limiting plates 503 are moved towards each other through the control of the hydraulic cylinder 502, until abutting against the base plate, the base plate is limited and locked through the limiting plates 503, so that the position of the base plate is prevented from deviating in the process of the rotation of the rotating disc 403, the face cover is taken by the mechanical arm and is covered on the base plate, at the same time, the stepping motor 401 is started, the stepping motor 401 drives the rotating shaft 402 to drive the rotating disc 403 to rotate, the angle of each rotation of the rotating disc 403 is controlled through the stepping motor 401, so that the placing and assembling of the base plate and the face cover are facilitated, the conductive column 605 is driven to rotate along with the rotating disc 403, the electric heating wire 601 in the corresponding placing seat 501 is electrified after the conductive column 605 abuts against the arc-shaped contact piece 604, preheating is started, the base plate and the face cover after preheating are transferred into the PIR sensitivity checker 3, the communication thimble 701 and the communication needle disc 703 are corresponded to each other in position, the rotating disc 403 is stopped, the communication needle disc 703 is moved upwards to be combined through the control of the electric push rod 702, so that the PIR sensitivity checker 3 is electrified, detection is started, the base plate and the face cover after detection are automatically transferred into the assembling after being transferred out of the PIR sensitivity checker 3, the whole process is automatic and intelligent, the waiting time is reduced, and the work efficiency is improved.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed for protection. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An infrared detector automatic PIR sensitivity inspection equipment, including a base plate (1), the top of the base plate (1) is provided with two conveying tables (2), the top of the base plate (1) is fixedly connected with a PIR sensitivity inspector (3), the top of the base plate (1) is provided with a rotary conveying mechanism, the rotary conveying mechanism includes a rotating shaft (402), the top of the rotating shaft (402) is fixedly connected with a turntable (403), a clutch type power-on assembly is arranged between the turntable (403) and the PIR sensitivity inspector (3), the PIR sensitivity inspector (3) is powered on when the turntable (403) does not rotate through the clutch type power-on assembly, characterized in that: The top of the rotating disc (403) is provided with a plurality of clamping assemblies in the circumferential direction, the clamping assembly comprises a placing seat (501) fixedly connected to the top of the rotating disc (403), the placing seat (501) is fixedly connected with a hydraulic cylinder (502) on both sides, the output end of the hydraulic cylinder (502) is fixedly connected with a limiting plate (503), a groove is formed in the wall of the placing seat (501), and an electric heating wire (601) is arranged in the groove, the bottom of the rotating disc (403) is provided with a control assembly, and the electric heating wire (601) is automatically powered after being rotated to a certain area by the control assembly, so that the base plate and the cover are preheated. ​ 2. An apparatus for automatic PIR sensitivity check of an infrared detector according to claim 1, characterized in that: The control assembly comprises a supporting column (602) fixedly connected to the top of the bottom plate (1), the top of the supporting column (602) is fixedly connected with a fixed disc (603), the fixed disc (603) is located below the rotating disc (403), and the fixed disc (603) is rotatably connected between the rotating shaft (402) and the rotating shaft (402). The top of the fixed disc (603) is fixedly connected with an arc-shaped contact sheet (604), the bottom of the rotating disc (403) is fixedly connected with a plurality of conductive columns (605), and the conductive columns (605) are respectively electrically connected with the electric heating wires (601) in each placing seat (501).

3. The apparatus for automatic PIR sensitivity check of an infrared detector according to claim 1, characterized in that: The rotating conveying mechanism further comprises a stepping motor (401), the stepping motor (401) is fixedly connected to the top of the bottom plate (1), and the output end of the stepping motor (401) is connected with the rotating shaft (402) through a shaft coupling.

4. The apparatus for automatic PIR sensitivity check of an infrared detector according to claim 1, characterized in that: The clutch type power supply assembly comprises a plurality of communication pins (701) fixedly connected to the bottom of the rotating disc (403), the positions and the number of the communication pins (701) correspond to the placing seats (501), the bottom of the PIR sensitivity checker (3) is fixedly connected with an electric push rod (702), the top of the electric push rod (702) is fixedly connected with a communication needle disc (703), and the communication needle disc (703) is used in matched with the communication pins (701).

5. An apparatus for automatic PIR sensitivity check of an infrared detector according to claim 4, characterized in that: The front side of the PIR sensitivity checker (3) is provided with a avoiding hole, and a part of the rotating disc (403) is located in the avoiding hole.

6. An apparatus for automatic PIR sensitivity check of an infrared detector according to claim 5, characterized in that: The bottom of the PIR sensitivity checker (3) is provided with a placing groove, the placing groove is communicated with the avoiding hole, and the electric push rod (702) is located in the placing groove.

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