CN209787449U - Portable sweep generator is used in audio amplifier test inspection - Google Patents
Portable sweep generator is used in audio amplifier test inspection Download PDFInfo
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- CN209787449U CN209787449U CN201921087060.6U CN201921087060U CN209787449U CN 209787449 U CN209787449 U CN 209787449U CN 201921087060 U CN201921087060 U CN 201921087060U CN 209787449 U CN209787449 U CN 209787449U
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- bottom plate
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- fixed
- threaded rods
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Abstract
The utility model belongs to the technical field of the stereo set detects, especially, be a portable sweep generator is used in audio amplifier test inspection, comprising a base plate, one side fixed mounting of bottom plate has the protective housing, and one side that the protective housing is close to the bottom plate is the opening, fixed mounting has driving motor on the bottom inner wall of protective housing, the top of bottom plate is rotated and is installed two threaded rods, driving motor's output shaft and arbitrary one threaded rod fixed connection, two threaded rod symmetries set up, and equal fixed cover is equipped with the belt pulley on two threaded rods, and the winding has same belt between two belt pulleys, and equal threaded mounting has the slider on two threaded rods, and two slider symmetries set up, and it has the hinge bar. The utility model discloses the practicality is strong, and it is comparatively convenient that the audio frequency sweep frequency appearance body is carried, and can carry out angle modulation to the audio frequency sweep frequency appearance body, makes that operating personnel is more convenient operate according to the key region.
Description
Technical Field
The utility model relates to a stereo set detects technical field, especially relates to a portable sweep-frequency instrument is used in audio amplifier test inspection.
Background
In electronic measurement, the problem of measuring the impedance characteristic and the transmission characteristic of a network is frequently encountered, wherein the transmission characteristic comprises gain and attenuation characteristics, amplitude-frequency characteristics, phase-frequency characteristics and the like; the tone quality of the sound is of great importance, and the sound is required to be detected by the audio frequency sweep meter during the sound quality detection.
however, some audio devices in larger sites need to be carried with equipment for detection, and some traditional audio frequency scanners are inconvenient to carry, the key area of the audio frequency scanner is generally arranged on one side of the equipment, the audio frequency scanner does not have an angle adjusting function, and workers are inconvenient to operate, so that the portable frequency scanner for testing and inspecting the sound box is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a portable frequency scanner for testing and inspecting a sound box.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable frequency sweep instrument for testing and inspecting a sound box comprises a bottom plate, wherein a protective shell is fixedly arranged on one side of the bottom plate, an opening is formed in one side, close to the bottom plate, of the protective shell, a driving motor is fixedly arranged on the inner wall of the bottom of the protective shell, two threaded rods are rotatably arranged at the top of the bottom plate, an output shaft of the driving motor is fixedly connected with any one threaded rod, the two threaded rods are symmetrically arranged, belt pulleys are fixedly sleeved on the two threaded rods, the same belt is wound between the two belt pulleys, sliding blocks are symmetrically arranged on the two threaded rods, hinge rods are hinged on the two sliding blocks, first fixed blocks are hinged at the top ends of the two hinge rods, the same mounting plate is fixedly arranged at the tops of the two first fixed blocks, an audio frequency sweep instrument body is fixedly arranged at the top of the mounting plate, and two dwang symmetries set up, and the top of two dwang all articulates there is the second fixed block, and the top of two second fixed blocks all with mounting panel fixed connection, the top symmetry fixed mounting of bottom plate has gantry support.
Preferably, the handles are respectively and fixedly installed at the tops of the two gantry supports, and the two handles are symmetrically arranged.
Preferably, two chutes are formed in the top of the bottom plate, limiting rods are fixedly mounted in the two chutes, and the two sliding blocks are respectively connected with the two limiting rods in a sliding manner.
Preferably, the top fixed mounting of bottom plate has four fixed blocks, the rotation hole has been seted up to one side of fixed block, fixed cover is equipped with two bearings on the threaded rod, the outer lane of two bearings respectively with two inner wall fixed connection who rotates the hole.
Preferably, one side of the sliding block is provided with a threaded through hole, and the threaded rod penetrates through the threaded through hole and is screwed with the inner wall of the threaded through hole.
Preferably, the four corners of the bottom plate are provided with universal wheels, and one side of the audio frequency sweep machine body is provided with a key control area.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a base plate, a protective shell, a driving motor, threaded rods, a belt pulley, a belt, a hinge rod, a first fixed block, a mounting plate, a rotating rod, a second fixed block, an audio frequency sweep device body, a gantry support, a handle and a sliding block, when the device is used, the device can be moved and carried more conveniently through a universal wheel and the handle, when the angle of a key control area needs to be adjusted, a forward rotation button type of a forward and reverse switch is started, the driving motor drives one of the threaded rods to rotate, the threaded rod drives the belt pulley to rotate, the belt pulley drives the other belt pulley to rotate through the belt, so as to drive the other threaded rod to synchronously rotate, the threaded rod drives the sliding block to slide rightwards, the sliding block drives the hinge rod to rotate anticlockwise, the hinge rod drives the first fixed block, the mounting plate drives the audio frequency sweep generator body to synchronously rotate, so that the angle of the audio frequency sweep generator body is adjusted, the key operation of an operator is facilitated better, and the sliding block can move leftwards through a reversing button of a reversing switch;
The utility model discloses the practicality is strong, and it is comparatively convenient that the audio frequency sweep frequency appearance body is carried, and can carry out angle modulation to the audio frequency sweep frequency appearance body, makes that operating personnel is more convenient operate according to the key region.
drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the assembly of the middle threaded rod, the belt pulley and the belt of the present invention;
fig. 4 is a schematic diagram of the side view structure of the middle audio frequency sweep instrument body of the present invention.
In the figure: 1. a base plate; 2. a protective shell; 3. a drive motor; 4. a threaded rod; 5. a belt pulley; 6. a belt; 7. a hinged lever; 8. a first fixed block; 9. mounting a plate; 10. rotating the rod; 11. a second fixed block; 12. an audio frequency sweep instrument body; 13. a gantry support; 14. a handle; 15. a slide block.
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. 1-4, the present invention provides a technical solution: a portable frequency sweep instrument for testing and inspecting a sound box comprises a bottom plate 1, wherein a protective shell 2 is fixedly arranged on one side of the bottom plate 1, an opening is formed in one side, close to the bottom plate 1, of the protective shell 2, a driving motor 3 is fixedly arranged on the inner wall of the bottom of the protective shell 2, two threaded rods 4 are rotatably arranged at the top of the bottom plate 1, an output shaft of the driving motor 3 is fixedly connected with any one of the threaded rods 4, the two threaded rods 4 are symmetrically arranged, belt pulleys 5 are fixedly sleeved on the two threaded rods 4, a same belt 6 is wound between the two belt pulleys 5, sliders 15 are respectively and threadedly arranged on the two threaded rods 4, the two sliders 15 are symmetrically arranged, hinge rods 7 are respectively hinged on the two sliders 15, first fixed blocks 8 are respectively hinged at the top ends of the two hinge rods 7, a same mounting plate 9 is fixedly arranged at the tops of, two rotating rods 10 are fixedly installed at the top of the bottom plate 1, the two rotating rods 10 are symmetrically arranged, second fixed blocks 11 are hinged to the top ends of the two rotating rods 10, the tops of the two second fixed blocks 11 are fixedly connected with the installation plate 9, and gantry supports 13 are symmetrically and fixedly installed at the top of the bottom plate 1;
The top of two gantry supports 13 is respectively and fixedly provided with a handle, the two handles are symmetrically arranged, the top of the bottom plate 1 is provided with two chutes, the two chutes are internally and fixedly provided with limit rods, the two sliders 15 are respectively in sliding connection with the two limit rods, the top of the bottom plate 1 is fixedly provided with four fixed blocks, one side of each fixed block is provided with a rotating hole, the threaded rod 4 is fixedly sleeved with two bearings, the outer rings of the two bearings are respectively and fixedly connected with the inner walls of the two rotating holes, one side of each slider 15 is provided with a threaded through hole, the threaded rod 4 penetrates through the threaded through hole and is screwed with the inner wall of the threaded through hole, the bottom four corners of the bottom plate 1 are respectively provided with universal wheels, one side of the audio frequency sweep instrument body 12 is provided with a key control area, and the key control area is formed by the bottom plate 1, the protective, Mounting panel 9, dwang 10, second fixed block 11, audio frequency sweep generator body 12, gantry support 13, handle 14 and slider 15 cooperate, can be more convenient remove and carry the device through universal wheel and handle 14, when needs are adjusted the button and are controlled regional angle, start the corotation push button formula of reversing the switch, make driving motor 3 started, mounting panel 9 drives audio frequency sweep generator body 12 and rotates in step, thereby carry out angle modulation to audio frequency sweep generator body 12, better make things convenient for operating personnel to carry out the key operation, the utility model discloses the practicality is strong, audio frequency sweep generator body 12 is carried comparatively conveniently, and can carry out angle modulation to audio frequency sweep generator body 12, makes operating personnel more convenient operate according to the key region.
The working principle is as follows: the type of the audio frequency sweep instrument body 12 is TH1312-20, a reversing switch is arranged on the outer wall of one side of the protective shell 2, and the reversing switch, the driving motor 3 and an external power supply are sequentially and electrically connected through leads to form a closed loop;
When the device is used, the device can be moved and carried more conveniently through the universal wheel and the handle 14, when the angle of a key control area needs to be adjusted, the forward rotation button type of the forward and backward switch is started, the driving motor 3 drives one of the threaded rods 4 to rotate, the threaded rod 4 drives the belt pulley 5 to rotate, the belt pulley 5 drives the other belt pulley 5 to rotate through the belt 6, so as to drive the other threaded rod 4 to synchronously rotate, the threaded rod 4 drives the sliding block 15 to slide rightwards, the sliding block 15 drives the hinge rod 7 to anticlockwise rotate, the hinge rod 7 drives the first fixed block 8 to lift and simultaneously anticlockwise rotate, the first fixed block 8 drives the mounting plate 9 to anticlockwise rotate, the mounting plate 9 drives the audio frequency sweep instrument body 12 to synchronously rotate, so as to adjust the angle of the audio frequency sweep instrument body 12, and better facilitate the, the slider 15 can also be moved to the left by the reverse button of the forward/reverse switch.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
the above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a portable frequency scanner is used in audio amplifier test inspection, includes bottom plate (1), its characterized in that: the novel multifunctional electric heating cooker is characterized in that a protective shell (2) is fixedly mounted on one side of the bottom plate (1), one side, close to the bottom plate (1), of the protective shell (2) is an opening, a driving motor (3) is fixedly mounted on the inner wall of the bottom of the protective shell (2), two threaded rods (4) are rotatably mounted at the top of the bottom plate (1), an output shaft of the driving motor (3) is fixedly connected with any one of the threaded rods (4), the two threaded rods (4) are symmetrically arranged, belt pulleys (5) are fixedly sleeved on the two threaded rods (4), a same belt (6) is wound between the two belt pulleys (5), sliding blocks (15) are mounted on the two threaded rods (4) in a threaded mode, the two sliding blocks (15) are symmetrically arranged, hinge rods (7) are hinged to the two sliding blocks (15), and a first fixing block (8, the top fixed mounting of two first fixed blocks (8) has same mounting panel (9), the top fixed mounting of mounting panel (9) has audio frequency sweep-frequency instrument body (12), the top fixed mounting of bottom plate (1) has two dwang (10), and two dwang (10) symmetry sets up, and the top of two dwang (10) all articulates there is second fixed block (11), the top of two second fixed blocks (11) all with mounting panel (9) fixed connection, the top symmetry fixed mounting of bottom plate (1) has longmen support (13).
2. A portable frequency scanner for testing and inspecting sound box according to claim 1, characterized in that: handles are respectively and fixedly arranged at the tops of the two gantry supports (13), and the two handles are symmetrically arranged.
3. A portable frequency scanner for testing and inspecting sound box according to claim 1, characterized in that: two sliding grooves are formed in the top of the bottom plate (1), limiting rods are fixedly mounted in the two sliding grooves, and the two sliding blocks (15) are connected with the two limiting rods in a sliding mode respectively.
4. A portable frequency scanner for testing and inspecting sound box according to claim 1, characterized in that: the top fixed mounting of bottom plate (1) has four fixed blocks, the rotation hole has been seted up to one side of fixed block, fixed cover is equipped with two bearings on threaded rod (4), the outer lane of two bearings respectively with two inner wall fixed connection who rotate the hole.
5. A portable frequency scanner for testing and inspecting sound box according to claim 1, characterized in that: a threaded through hole is formed in one side of the sliding block (15), and the threaded rod (4) penetrates through the threaded through hole and is screwed with the inner wall of the threaded through hole.
6. A portable frequency scanner for testing and inspecting sound box according to claim 1, characterized in that: the bottom four corners position of bottom plate (1) all is equipped with the universal wheel, one side of audio frequency sweep appearance body (12) is equipped with the button and controls the region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087060.6U CN209787449U (en) | 2019-07-12 | 2019-07-12 | Portable sweep generator is used in audio amplifier test inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087060.6U CN209787449U (en) | 2019-07-12 | 2019-07-12 | Portable sweep generator is used in audio amplifier test inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209787449U true CN209787449U (en) | 2019-12-13 |
Family
ID=68789589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921087060.6U Expired - Fee Related CN209787449U (en) | 2019-07-12 | 2019-07-12 | Portable sweep generator is used in audio amplifier test inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209787449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337743A (en) * | 2020-03-26 | 2020-06-26 | 诚联电源股份有限公司 | Switching power supply finished product output power detection equipment |
-
2019
- 2019-07-12 CN CN201921087060.6U patent/CN209787449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337743A (en) * | 2020-03-26 | 2020-06-26 | 诚联电源股份有限公司 | Switching power supply finished product output power detection equipment |
| CN111337743B (en) * | 2020-03-26 | 2022-03-22 | 诚联电源股份有限公司 | Switching power supply finished product output power detection equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20200712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |