A device for testing the performance of sound insulation panels for underfloor heating

Abstract

This invention relates to a device for testing the performance of sound insulation panels for underfloor heating systems. From top to bottom, it comprises a sound generator, a filling box, and a receiver. The filling box includes a bottom plate, a top plate, a left side plate, a right side plate, a rear side plate, and a discharge door. Inside the filling box, there is a sound insulation layer placement plate and a lifting structure. The sound insulation layer placement plate is used to place the sound insulation panels. The fixed end of the lifting structure is fixedly connected to the bottom plate, and the movable end of the lifting structure is used to support the underfloor heating layer, which is located above the sound insulation layer placement plate. The bottom of the sound generator is fixedly connected to the top plate of the filling box, and the top of the receiver is fixedly connected to the bottom plate of the filling box. This technical solution has a simple structure, high replacement efficiency, and good testing quality.

Description

Technical Field

[0001] This invention belongs to the field of sound insulation material performance testing technology, specifically relating to a performance testing device for underfloor heating sound insulation panels. Background Technology

[0002] Dry underfloor heating differs from common wet underfloor heating and is widely used due to its advantages such as fast thermal response, space saving, and convenient construction. However, monitoring the sound insulation performance of dry underfloor heating sound insulation panels is challenging due to the complexity of actual measurements and the influence of ambient noise, making it difficult to select measurement points.

[0003] Existing technologies for testing the performance of sound insulation panels for dry underfloor heating systems have the following shortcomings:

[0004] (1) It is difficult to create a good testing environment. The sound insulation board material cannot be effectively fixed and is prone to deviation in angle or position, which affects the test quality.

[0005] (2) After completing the test of a sound insulation board, the process of separating and replacing the sound insulation board from other structures is cumbersome and affects the testing efficiency. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a device for testing the performance of sound insulation boards for underfloor heating.

[0007] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0008] A device for testing the performance of sound insulation panels for underfloor heating, comprising, from top to bottom, a sound generator, a filling box, and a receiver;

[0009] The stuffing box includes a bottom plate, a top plate, a left side plate, a right side plate, a rear side plate, and a discharge door. The stuffing box is equipped with a sound insulation layer placement plate and a lifting structure inside. The sound insulation layer placement plate is fixedly connected to the bottom plate and the vertical distance between the two is W1. The sound insulation layer placement plate is used to place sound insulation boards. The fixed end of the lifting structure is fixedly connected to the bottom plate and the movable end of the lifting structure is used to support the underfloor heating layer and drive the underfloor heating layer to rise and fall. The underfloor heating layer is located above the sound insulation layer placement plate. When the underfloor heating layer is at the lower limit, the vertical distance between the underfloor heating layer and the sound insulation layer placement plate is W2.

[0010] The bottom of the sound generator is fixedly connected to the top plate of the stuffing box to provide noise into the stuffing box;

[0011] The top of the receiver is fixedly connected to the bottom plate of the stuffing box and is used to receive noise propagating from the stuffing box.

[0012] Furthermore, the sound generator, stuffing box, and receiver are all rectangular in shape; the lifting structure consists of push-pull rods respectively set at the four corners of the base plate, the fixed end of the push-pull rod is an outer cylinder, the movable end of the push-pull rod is a telescopic rod, the outer cylinder is fixedly connected to the base plate, and the top of the telescopic rod is used to support the underfloor heating layer.

[0013] Furthermore, each of the four corners of the stuffing box is provided with a lifting track groove, each of the four corners of the underfloor heating layer is provided with a guide block I for matching and guiding the lifting track groove, and each of the four corners of the sound insulation layer placement plate is provided with a guide block II for matching and guiding the lifting track groove. The guide block II is provided with a connecting through hole, and both the guide block I and the guide block II are placed in the lifting track groove. The outer cylinder of the push-pull rod is provided with a limiting ring, and the sound insulation layer placement plate is sleeved on the outer cylinder of the push-pull rod through the connecting through holes at the four corners, and its height position is limited by the limiting ring on the outer cylinder.

[0014] Furthermore, the top plate of the stuffing box is liftable. Specifically, each of the four corners of the top plate is provided with guide blocks III that match the lifting track groove inside the stuffing box. The guide blocks III are placed in the lifting track groove, and the top plate is fixedly connected to the supporting underfloor heating layer.

[0015] Furthermore, the sound generator includes a cavity enclosed by a base plate and an upper soundproof cover, a noise source is provided in the cavity, the base plate is fixedly connected to the top plate layer of the filling box, the noise source is fixedly connected to the base plate and the top plate layer through a circuit rod, the sound generation of the noise source is controlled by a signal controller, the noise source and the signal controller transmit signals through Bluetooth, and the signal controller is fixedly installed outside the upper soundproof cover.

[0016] Furthermore, the upper soundproof cover of the sound generator includes a soundproof cover body and an operable glass door. The upper left and lower left corners of the glass door are connected to the soundproof cover body by tenons, and a sealing strip is provided around the glass door.

[0017] Furthermore, the receiver includes a lower soundproof cover, the top of which is fixedly connected to the bottom plate of the filling box. A noise tester is provided in the inner cavity of the receiver. The noise tester and the display transmit signals via Bluetooth. The display is used to display the detection information of the noise tester and is fixedly installed outside the lower soundproof cover.

[0018] Furthermore, the receiver is fixedly provided with several brake rollers at its bottom to enable the device to move as a whole.

[0019] Furthermore, the bottom plate of the stuffing box is made of cast concrete.

[0020] Furthermore, the sound insulation layer placement plate is provided with a placement groove for placing the sound insulation plate.

[0021] The beneficial effects that this invention can achieve are as follows:

[0022] (1) The sound insulation layer placement board is used to place the sound insulation board. The sound insulation layer placement board is fixedly connected to the bottom plate layer, and the vertical distance between the sound insulation layer placement board and the bottom plate layer is effectively guaranteed. The movable end of the lifting structure is used to support the underfloor heating layer and drive the underfloor heating layer to rise and fall. The underfloor heating layer is located above the sound insulation layer placement board. When the underfloor heating layer is at the lower limit, the vertical distance between the sound insulation layer placement board and the sound insulation layer placement board is also effectively guaranteed. This ensures that the vertical distance between the sound insulation board and the underfloor heating layer is effectively guaranteed under the test state, avoids deviation in the position or angle of the sound insulation board placement, and improves the test quality.

[0023] (2) The lifting structure drives the floor heating layer to rise and fall, providing space for replacing the test piece “sound insulation layer”. The replacement operation is simple and efficient.

[0024] (3) The soundproof cover on the generator and receiver is set so that the test effect is not affected by the external sound environment, which further improves the test quality. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the stuffing box in an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram showing the positional order of the components located inside the stuffing box in an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the tenon in an embodiment of the present invention;

[0030] Figure 6 This is a schematic diagram of the tenon in an embodiment of the present invention;

[0031] In the diagram: 1-Sound generator, 2-Filling box, 3-Receiver, 4-Upper soundproof cover, 5-Signal controller, 6-Noise source, 7-Bottom plate, 8-Top plate layer, 9-Underfloor heating layer, 10-Soundproof layer placement plate, 101-Placement groove, 11-Bottom plate layer, 12-Push-pull rod, 13-Lower soundproof cover, 14-Noise tester, 15-Display, 16-Discharge door, 17-Soundproof board. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Example

[0033] like Figure 1 and Figure 2As shown, a performance testing device for a floor heating sound insulation board includes, from top to bottom, a sound generator 1, a filling box 2, and a receiver 3. The sound generator 1, the filling box 2, and the receiver 3 are all rectangular in shape.

[0034] like Figure 3 and Figure 4 As shown, the stuffing box 2 includes a bottom plate layer 11, a top plate layer 8, a left side plate, a right side plate, a rear side plate, and a discharge door 16. The discharge door 16 is opened and closed by rotating around a hinge axis. Lifting rail grooves are provided at the four corners inside the stuffing box 2. The bottom plate layer 11 is made of concrete. Square fixing blocks are provided at the four corners of the bottom plate layer 11, and the fixing blocks are placed in the lifting rail grooves.

[0035] The interior of the filling box 2 is equipped with a sound insulation layer placement plate 10, a floor heating layer 9, and a lifting structure.

[0036] The lifting structure consists of push-pull rods 12 respectively set at the four corners of the base plate 11. The push-pull rods 12 are electric push-pull rods, and the movement of the push-pull rods 12 is controlled by the signal controller 5. The fixed end of the push-pull rod 12 is the outer cylinder, and the movable end of the push-pull rod 12 is the telescopic rod. The outer cylinder is screwed to the base plate 11. The top of the telescopic rod is used to support the underfloor heating layer 9 and drive the underfloor heating layer 9 to rise and fall. The outer cylinder of the push-pull rod 12 is provided with a limit ring.

[0037] The four corners of the sound insulation layer placement plate 10 are provided with guide blocks II for matching and guiding the lifting track groove. The guide blocks II are provided with connecting through holes and are placed in the lifting track groove. The sound insulation layer placement plate 10 is sleeved on the outer cylinder of the push-pull rod 12 through the connecting through holes at the four corners, and its height position is limited by the limiting ring on the outer cylinder, so that the vertical distance between the sound insulation layer placement plate 10 and the bottom plate layer 11 is W1. The sound insulation layer placement plate 10 is provided with a square placement groove 101 for placing the sound insulation plate 17.

[0038] The underfloor heating layer 9 is located above the sound insulation layer placement plate 10. Each of the four corners of the underfloor heating layer 9 is provided with guide blocks I for matching and guiding the lifting track groove. The guide blocks I are all placed in the lifting track groove. When the underfloor heating layer 9 is in the lower limit position, the vertical distance between the underfloor heating layer 9 and the sound insulation layer placement plate 10 is W2.

[0039] The top plate layer 8 of the stuffing box 2 is liftable. Specifically, each of the four corners of the top plate layer 8 is provided with guide blocks Ⅲ that match the lifting track groove inside the stuffing box 2. The guide blocks Ⅲ are placed in the lifting track groove, and the top plate layer 8 is fixedly connected to the underfloor heating layer 9.

[0040] The sound generator 1 includes a cavity enclosed by a base plate 7 and an upper soundproof cover 4. The base plate 7 is fixedly connected to the top plate layer 8 of the filling box 2. A noise source 6 is provided in the cavity, which is used to provide noise to the filling box 2. The noise source 6 is screwed onto the top tray of the circuit rod. The circuit rod is fixedly connected to the base plate 7 and the top plate layer 8. The sound pressure level and frequency output of the noise source 6 are controlled by a signal controller 5. The noise source 6 and the signal controller 5 transmit signals via Bluetooth. The signal controller 5 is fixedly installed outside the upper soundproof cover 4. The upper soundproof cover 4 of the sound generator 1 includes a double-layer glass soundproof cover body and an operable glass door. The upper left and lower left corners of the glass door are fixedly connected with tenons by screws. The tenons are rotatably connected to the soundproof cover body, and a sealing strip is provided around the glass door. Figure 5 and Figure 6 As shown.

[0041] The receiver 3 includes a double-glazed lower soundproof cover 13. The top of the lower soundproof cover 13 is fixedly connected to the bottom plate layer 11 of the filling box 2. A noise tester 14 is provided in the inner cavity of the receiver 3. The noise tester 14 is used to detect the noise emitted by the noise source 6 and transmitted through the filling box 2. The noise tester 14 transmits the measured sound pressure level signal via Bluetooth and displays it on the display 15. The display 15 is used to display the detection information of the noise tester 14. The display 15 is fixedly installed outside the lower soundproof cover 13. Several brake rollers are fixedly provided at the bottom of the receiver 3 to enable the device to move as a whole.

[0042] Use of this embodiment:

[0043] Includes the following steps:

[0044] (1) Before testing the sound insulation board 17, the push-pull rod 12 is controlled by the signal controller 5 to raise the floor heating layer 9 to the upper limit. Then, the sound insulation board 17 is placed in the square placement slot 101 on the sound insulation layer placement plate 10. Then, the push-pull rod 12 is controlled by the signal controller 5 to lower the floor heating layer 9 to the lower limit.

[0045] (2) After confirming that the soundproof enclosures of the transmitter 1 and receiver 3 are sealed, adjust the noise output of the noise source 6 through the signal controller 5 and conduct the test.

[0046] (3) After the sound insulation board 17 test is completed, the push-pull rod 12 is controlled by the signal controller 5 to raise the floor heating layer 9 to the upper limit position, the sound insulation board 17 that has been tested is taken out, and the next sound insulation board 17 to be tested is placed in the square placement slot 101 on the sound insulation layer placement plate 10. Then the push-pull rod 12 is controlled by the signal controller 5 to lower the floor heating layer 9 to the lower limit position.

[0047] (4) Repeat steps (2) and (3) and compare multiple sets of test results on display 15.

[0048] This embodiment has a simple structure and is suitable for widespread application.

[0049] In the description of this invention, terms such as "inner," "outer," "upper," "lower," "front," and "rear," which indicate orientation or positional relationship, are used only for the convenience of describing this invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0050] The above description is only one embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A device for testing the performance of sound insulation panels for underfloor heating, characterized in that: From top to bottom, it includes a sound generator (1), a stuffing box (2), and a receiver (3); The filling box (2) includes a bottom plate layer (11), a top plate layer (8), a left side plate, a right side plate, a rear side plate, and a discharge door (16); the filling box (2) is equipped with a sound insulation layer placement plate (10) and a lifting structure inside. The sound insulation layer placement plate (10) is fixedly connected to the bottom plate layer (11) and the vertical distance between the two is W1. The sound insulation layer placement plate (10) is used to place the sound insulation board (17); the fixed end of the lifting structure is fixedly connected to the bottom plate layer (11), and the movable end of the lifting structure is used to support the floor heating layer (9) and drive the floor heating layer (9) to rise and fall. The floor heating layer (9) is located above the sound insulation layer placement plate (10). When the floor heating layer (9) is at the lower limit, the vertical distance between the floor heating layer (9) and the sound insulation layer placement plate (10) is W2. The bottom of the sound generator (1) is fixedly connected to the top plate layer (8) of the stuffing box (2) to provide noise to the stuffing box (2); The top of the receiver (3) is fixedly connected to the bottom plate layer (11) of the stuffing box (2) for receiving noise transmitted from the stuffing box (2); The lifting structure consists of push-pull rods (12) respectively set at the four corners of the bottom plate layer (11). The fixed end of the push-pull rod (12) is the outer cylinder, and the movable end of the push-pull rod (12) is the telescopic rod. The outer cylinder is fixedly connected to the bottom plate layer (11), and the top of the telescopic rod is used to support the floor heating layer (9). The sound generator (1) includes a cavity enclosed by a base plate (7) and an upper soundproof cover (4), and a noise source (6) is provided in the cavity. The base plate (7) is fixedly connected to the top plate layer (8) of the filling box (2). The noise source (6) is fixedly connected to the base plate (7) and the top plate layer (8) through a circuit rod. The sound generation of the noise source (6) is controlled by a signal controller (5). The receiver (3) has a noise tester (14) inside its cavity. The noise tester (14) and the display (15) transmit signals via Bluetooth. The display (15) is used to display the detection information of the noise tester (14).

2. The underfloor heating sound insulation board performance testing device according to claim 1, characterized in that: The sound generator (1), the stuffing box (2), and the receiver (3) are all rectangular parallelepipeds.

3. The underfloor heating sound insulation board performance testing device according to claim 2, characterized in that: The four corners of the filling box (2) are provided with lifting track grooves. The four corners of the floor heating layer (9) are provided with guide blocks I for matching and guiding the lifting track grooves. The four corners of the sound insulation layer placement plate (10) are provided with guide blocks II for matching and guiding the lifting track grooves. The guide blocks II are provided with connecting through holes. The guide blocks I and II are placed in the lifting track grooves. The outer cylinder of the push-pull rod (12) is provided with a limiting ring. The sound insulation layer placement plate (10) is sleeved on the outer cylinder of the push-pull rod (12) through the connecting through holes at the four corners, and its height position is limited by the limiting ring on the outer cylinder.

4. The underfloor heating sound insulation board performance testing device according to claim 3, characterized in that: The top plate layer (8) of the filling box (2) is liftable. The four corners of the top plate layer (8) are provided with guide blocks III that match the lifting track groove inside the filling box (2). The guide blocks III are placed in the lifting track groove, and the top plate layer (8) is fixedly connected to the bearing floor heating layer (9).

5. The underfloor heating sound insulation board performance testing device according to claim 4, characterized in that: The noise source (6) and the signal controller (5) transmit signals via Bluetooth. The signal controller (5) is fixedly installed outside the upper soundproof cover (4).

6. The underfloor heating sound insulation board performance testing device according to claim 5, characterized in that: The upper soundproof cover (4) of the sound generator (1) includes a soundproof cover body and an operable glass door. The upper left and lower left corners of the glass door are connected to the soundproof cover body by tenons, and a sealing strip is provided around the glass door.

7. The underfloor heating sound insulation board performance testing device according to claim 4, characterized in that: The receiver (3) includes a lower soundproof cover (13), the top of which is fixedly connected to the bottom plate layer (11) of the filling box (2), and the display (15) is fixedly installed outside the lower soundproof cover (13).

8. The underfloor heating sound insulation board performance testing device according to claim 1, characterized in that: The receiver (3) is fixedly provided with several brake rollers at its bottom, which are used to enable the device to move as a whole.

9. The underfloor heating sound insulation board performance testing device according to claim 1, characterized in that: The bottom plate (11) of the stuffing box (2) is made of concrete.

10. The underfloor heating sound insulation board performance testing device according to claim 1, characterized in that: The sound insulation layer placement plate (10) is provided with a placement groove (101), which is used to place the sound insulation plate (17).

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