CN210221156U - Automatic fixing device for air quantity testing pore plate of range hood - Google Patents
Automatic fixing device for air quantity testing pore plate of range hood Download PDFInfo
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- CN210221156U CN210221156U CN201921435389.7U CN201921435389U CN210221156U CN 210221156 U CN210221156 U CN 210221156U CN 201921435389 U CN201921435389 U CN 201921435389U CN 210221156 U CN210221156 U CN 210221156U
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Abstract
The utility model discloses an automatic fixing device of range hood amount of wind test orifice plate, its characterized in that: a plurality of automatic hole plate fixing devices are installed on an air duct tail platform of the range hood air volume testing device, the automatic hole plate fixing devices are digital steering engines, steering wheels on two sides of each digital steering engine are fixed together with U-shaped mounting seats, shells of the digital steering engines are fixed on the air duct tail platform through bolts, and the U-shaped mounting seats of the digital steering engines can tightly press the hole plates on an inner circular table of the air duct tail platform. The beneficial effects of the utility model are that, in the amount of wind testing process, the orifice plate compresses tightly through digital steering wheel is automatic, and is fixed firm, and the tester does not need manual a plurality of closing device of opening or closing, is showing the efficiency that has improved test work, very big working strength who has alleviateed the tester, and grabbing device is changed to cooperation orifice plate automation that can be fine, realizes that the orifice plate changes full automation.
Description
Technical Field
The invention relates to the technical field of energy efficiency testing devices of range hoods, in particular to an automatic fixing device for an air volume testing pore plate of a range hood.
Background
In the energy efficiency test of the range hood, one important item is connected to the range hood in a test air channel during the air volume test, various data are respectively tested under different pore plates in the item test, and then the data are analyzed.
The orifice plate is circular corrosion resistant plate, and central point puts and opens the trompil that has different diameters, and in the testing process, the orifice plate of different specifications need be changed according to the test to the tester, and current test system, orifice plate pass through mechanical closing device, need the tester to open or close closing device manually, in order to improve test work's efficiency, cooperation orifice plate automatic exchange device has designed orifice plate automatic fixture.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the automatic fixing device for the air volume testing pore plate of the range hood, which has a simple structure and is convenient to use.
The invention is realized by the following technical scheme:
the invention relates to an automatic fixing device for an air volume testing pore plate of a range hood, which is characterized in that: a plurality of automatic hole plate fixing devices are installed on an air duct tail platform of the range hood air volume testing device, the automatic hole plate fixing devices are digital steering engines, steering wheels on two sides of each digital steering engine are fixed together with U-shaped mounting seats, shells of the digital steering engines are fixed on the air duct tail platform through bolts, and the U-shaped mounting seats of the digital steering engines can tightly press the hole plates on an inner circular table of the air duct tail platform.
The steering wheels on two sides of the digital steering engine are fixed with two sides of the U-shaped mounting seat through screws; the mounting hole in mount pad middle part passes a dead lever, and the dead lever tip has connect the nut soon, and the cover has the spring on the dead lever, and the spring is located between the fixed head and the mount pad of dead lever, and the fixed overhead parcel has soft materials to compress tightly the orifice plate and have certain buffering.
The mount pad includes the riser at both ends, flat board and backplate of fixed connection between two risers, and the screw hole and the steering wheel both sides steering wheel of riser are through screw connection, installation dead lever in the mounting hole of backplate, and the hypotenuse between backplate and the flat board provides the tensile and strengthens, and backplate upper portion has a guide cylinder, and guide cylinder tip radius angle, inside smearing lubricating oil of guide cylinder prevent that the dead lever card from dying.
The automatic fixing device for the range hood air volume test pore plate also comprises a digital steering engine control circuit, wherein the digital steering engine control circuit comprises a central control unit, and a communication unit, a steering engine driving circuit and a manual adjusting unit which are respectively connected with the central control unit; the communication unit is connected with a PC of the range hood air volume testing device, and the steering engine driving circuit is connected with a control circuit in the steering engine.
In the digital steering engine control circuit, a single chip microcomputer is connected with an analog input unit, an analog output unit, a PWM output unit and a communication unit, the digital steering engine control circuit further comprises a voltage stabilizing circuit, and the analog input unit comprises a potentiometer.
The communication unit adopts an RS232 communication device, a USB communication device or a LAN communication device.
The digital steering engine control circuit is arranged in a control box of the range hood air volume testing device. The central control unit, the communication unit, the steering engine driving circuit and the manual adjusting unit are all hardware devices.
During the use, the steering wheel of digital steering wheel drives the mount pad and outwards rotates, when rotating perpendicular with wind channel afterbody platform, continues to rotate to the outside again, rotates to 120 and gives other 135 degrees angles, and range hood air volume testing arrangement's orifice plate is automatic to be changed grabbing device and is sent the orifice plate and come the inboard of putting into wind channel afterbody platform, and the steering wheel of digital steering wheel drives the mount pad and inwards rotates, and until the mount pad is close to the orifice plate, the dead lever compresses tightly the orifice plate, then the steering wheel stop rotating of digital steering wheel. The pore plate of the range hood air volume testing device automatically changes the grabbing device and returns to the initial position. The air volume measurement test was started.
The automatic hole plate replacing device has the advantages that in the air quantity detection process, the hole plate is automatically pressed through the digital steering engine, the hole plate is firmly fixed, a tester does not need to manually open or close the pressing devices, the testing efficiency is obviously improved, the working strength of the tester is greatly reduced, the automatic hole plate replacing device can be well matched, and the full automation of hole plate replacing is realized.
Drawings
The attached drawing is a structural schematic diagram of the invention.
Fig. 1 is a circuit block diagram, fig. 2 is an overall structure of the invention, fig. 3 is an overall view of a digital steering engine and a mounting seat thereof, fig. 4 is an exploded view of the digital steering engine and the mounting seat thereof, fig. 5 is a block diagram of a control circuit of the digital steering engine, and fig. 6 is a detailed view of the control circuit of the digital steering engine.
In the figure: 1 digital steering wheel, 2 screws, 3 mounting seats, 4 fixed rods, 5 springs, 6 nuts, 7 steering wheels, 8 vertical plates, 9 back plates, 10 flat plates, 11 guide cylinders, 12 bevel edges, 13 pore plates, 14 air duct tail platform and 15 pore plate center holes.
Detailed Description
The attached drawing is an embodiment of the invention.
According to the automatic fixing device for the air quantity testing pore plate of the range hood, the automatic fixing device for the pore plate is arranged on an air flue tail platform 14 of the air quantity testing device of the range hood, the automatic fixing device for the pore plate adopts the digital steering engine 1, the steering wheels 7 on two sides of the digital steering engine are fixed with the U-shaped mounting seat 3, the shell of the digital steering engine is fixed on the air flue tail platform through bolts, and the U-shaped mounting seats of the digital steering engines can tightly press the pore plate 13 at the inner circular table of the air flue tail platform.
The steering wheels 7 on the two sides of the digital steering engine are fixed with the two sides of the U-shaped mounting seat through screws 2; a fixing rod 4 penetrates through the mounting hole in the middle of the mounting seat, a nut 6 is screwed at the end part of the fixing rod, a spring 5 is sleeved on the fixing rod and is located between a fixing head of the fixing rod and the mounting seat, and a soft material wraps the fixing head to compress the pore plate and buffer the pore plate.
The mount pad includes the riser 8 at both ends, dull and stereotyped 10 and backplate 9 of fixed connection between two risers, and the screw hole and the steering wheel both sides steering wheel 7 of riser are connected through screw 2, and installation dead lever 4 in the mounting hole of backplate 9, hypotenuse 12 between backplate and the flat board provide the tensile and strengthen, and backplate upper portion has guide cylinder 11, and guide cylinder tip radius angle, inside lubricating oil of paining of guide cylinder prevent that the dead lever card from dying.
The automatic fixing device for the range hood air volume test pore plate also comprises a digital steering engine control circuit, wherein the digital steering engine control circuit comprises a central control unit, and a communication unit, a steering engine driving circuit and a manual adjusting unit which are respectively connected with the central control unit; the communication unit is connected with a PC of the range hood air volume testing device, and the steering engine driving circuit is connected with a control circuit in the steering engine.
In the digital steering engine control circuit, a single chip microcomputer is connected with an analog input unit, an analog output unit, a PWM output unit and a communication unit, the digital steering engine control circuit further comprises a voltage stabilizing circuit, and the analog input unit comprises a potentiometer.
The communication unit adopts an RS232 communication device, a USB communication device or a LAN communication device.
The details of the first and the second components are as follows.
1: steering engine: is the core component of the fixing device and rotates a designated angle according to the signal of the control circuit. The steering wheel on both sides of the steering engine is coaxially connected.
2: fixing screws: the mounting seat and the steering wheel (rotating shaft) at the two sides of the steering engine are fixed together.
3: a mounting seat; the installation fixed rod subassembly, the screw hole at mount pad both ends is connected with steering wheel both sides steering wheel, and the plane in the middle of is used for supporting the dead lever subassembly, and the hypotenuse on plane both sides provides the tensile and strengthens, and plane upper portion has a guide cylinder, and guide cylinder bottom radius to can paint lubricating oil, prevent that the dead lever card from dying.
4: fixing the rod assembly: the fixed rod component comprises a fixed rod, a spring and a nut; the upper part of the fixed rod is provided with threads, and the bottom of the fixed rod is provided with a fixed head coated by a soft material and used for pressing the pore plate; and a nut is arranged on the upper part of the fixed rod through threads and is matched with the spring, and the fixed rod is arranged on the base.
Different perforated plate thickness is different, and in order to adapt to the difference of thickness, do not adopt the rigid connection between fixed rod subassembly and the mount pad, but accomplish through the spring, the spring provides sufficient pressure for the dead lever, also has certain buffering simultaneously, can adapt to different thickness.
Steering engine control circuit
The steering engine control circuit is responsible for controlling the fixing device to compress and loosen the pore plate.
The steering engine control circuit comprises a communication unit, a central control unit and a steering engine driving circuit.
The communication unit is responsible for communicating with the computer, receives the instruction transmitted by the computer, feeds back the execution result to the computer, and can communicate in various modes such as RS232, USB, LAN and the like.
Well accuse unit calculation needs the rotatory angle and the direction of steering wheel, sends the angle value for steering wheel drive circuit, and this part circuit can use the singlechip to realize, for example 8051, ARM7TDMI etc. and rotation angle can set up through two kinds of modes: 1. the upper computer sends the angle information to the fixing device, and the communication unit receives the data and transfers the data to the central control unit; 2 the rotation angle is set by a manual adjustment part.
The manual adjusting unit provides the capability of manually setting the angle, can realize the adjustment of analog quantity through a potentiometer, and can also set in a digital mode.
The steering engine driving circuit provides power for the steering engine, converts the angle value into a PWM signal and drives the steering engine to complete rotation.
The digital steering engine control circuit is arranged in a control box of the range hood air volume testing device. The central control unit, the communication unit, the steering engine driving circuit and the manual adjusting unit are all hardware devices.
Claims (6)
1. The utility model provides a range hood amount of wind test orifice plate automatic fixing device which characterized in that: a plurality of automatic hole plate fixing devices are installed on an air duct tail platform of the range hood air volume testing device, the automatic hole plate fixing devices are digital steering engines, steering wheels on two sides of each digital steering engine are fixed together with U-shaped mounting seats, shells of the digital steering engines are fixed on the air duct tail platform through bolts, and the U-shaped mounting seats of the digital steering engines can tightly press the hole plates on an inner circular table of the air duct tail platform.
2. The automatic fixing device for the range hood air volume test pore plate according to claim 1, characterized in that: the steering wheels on two sides of the digital steering engine are fixed with two sides of the U-shaped mounting seat through screws; the mounting hole in mount pad middle part passes a dead lever, and the dead lever tip has connect the nut soon, and the cover has the spring on the dead lever, and the spring is located between the fixed head and the mount pad of dead lever, and the fixed overhead parcel has soft materials to compress tightly the orifice plate and have certain buffering.
3. The automatic fixing device for the range hood air volume test pore plate according to claim 1, characterized in that: the mount pad includes the riser at both ends, flat board and backplate of fixed connection between two risers, and the screw hole and the steering wheel both sides steering wheel of riser are through screw connection, installation dead lever in the mounting hole of backplate, and the hypotenuse between backplate and the flat board provides the tensile and strengthens, and backplate upper portion has a guide cylinder, and guide cylinder tip radius angle, inside smearing lubricating oil of guide cylinder prevent that the dead lever card from dying.
4. The automatic fixing device for the range hood air volume test pore plate according to claim 1, characterized in that: the digital steering engine control circuit comprises a central control unit, a communication unit, a steering engine driving circuit and a manual adjusting unit, wherein the communication unit, the steering engine driving circuit and the manual adjusting unit are respectively connected with the central control unit; the communication unit is connected with a PC of the range hood air volume testing device, and the steering engine driving circuit is connected with a control circuit in the steering engine.
5. The automatic fixing device for the range hood air volume test pore plate according to claim 4, characterized in that: in the digital steering engine control circuit, a single chip microcomputer is connected with an analog input unit, an analog output unit, a PWM output unit and a communication unit, the digital steering engine control circuit further comprises a voltage stabilizing circuit, and the analog input unit comprises a potentiometer.
6. The automatic fixing device for the range hood air volume test pore plate according to claim 4, characterized in that: the communication unit adopts an RS232 communication device, a USB communication device or a LAN communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921435389.7U CN210221156U (en) | 2019-08-31 | 2019-08-31 | Automatic fixing device for air quantity testing pore plate of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921435389.7U CN210221156U (en) | 2019-08-31 | 2019-08-31 | Automatic fixing device for air quantity testing pore plate of range hood |
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| Publication Number | Publication Date |
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| CN210221156U true CN210221156U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921435389.7U Active CN210221156U (en) | 2019-08-31 | 2019-08-31 | Automatic fixing device for air quantity testing pore plate of range hood |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440860A (en) * | 2019-08-31 | 2019-11-12 | 山东省计量科学研究院 | Range hood air measures prospect hole plate automatic fixer |
-
2019
- 2019-08-31 CN CN201921435389.7U patent/CN210221156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440860A (en) * | 2019-08-31 | 2019-11-12 | 山东省计量科学研究院 | Range hood air measures prospect hole plate automatic fixer |
| CN110440860B (en) * | 2019-08-31 | 2024-04-16 | 山东省计量科学研究院 | Automatic fixing device for air quantity test pore plate of range hood |
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