CN210626563U

CN210626563U - Portable spectrum analyzer

Info

Publication number: CN210626563U
Application number: CN201921377379.2U
Authority: CN
Inventors: 张超; 陈远红; 蔡挺夫
Original assignee: Chengdu Zhongyaxunfei Electronic Co Ltd
Current assignee: Chengdu Zhongyaxunfei Electronic Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-26
Anticipated expiration: 2029-08-22

Abstract

The utility model relates to a portable spectrum analyzer. The technical scheme is as follows: the utility model provides a portable spectrum analysis appearance, includes base and spectrum analysis appearance main part, and the base upside is fixed with a plurality of dead levers and a plurality of telescopic machanism, and the other end and the spectrum analysis appearance main part of dead lever are articulated, and telescopic machanism's the other end is connected with the removal slider, is provided with the spout in the spectrum analysis appearance main part, removes the slider cover and locates in the spout. The utility model provides a portable spectrum analysis appearance at convenient adjustment inclination, the person of facilitating the use observes the screen image of spectrum analysis appearance.

Description

Portable spectrum analyzer

Technical Field

The utility model belongs to the technical field of the spectral analysis appearance, concretely relates to portable spectral analysis appearance.

Background

Spectrum analyzers are frequency domain measuring instruments that can study the distribution of energy in a given electrical signal's spectrum, from which bandwidth, modulation, and glitches can be derived. The method is widely applied to communication, navigation, radar and industry, and has the title of a radio frequency multimeter.

The product of the spectrum analyzer in the market has high cost and complex operation, and the spectrum analyzer is mainly applied to military, national defense and high-end scientific research at present. With the rapid development of communication technology, a low-cost and high-performance spectrum analyzer is urgently needed in the aspects of communication, research, production, maintenance and the like. Particularly, after WTO is added in China, products need to be in orbit with international standards, and more universal spectrum analyzers are needed for measuring technical indexes such as electromagnetic compatibility (EMC) of the products.

The utility model patent application number CN02227143.0 discloses a portable spectrum analysis appearance, include: the system comprises a superheterodyne receiver, an oscillographic tube, a corresponding control unit of the oscillographic tube, a power supply and a mainboard part for providing sawtooth voltage; the superheterodyne receiver comprises a radio frequency unit and an intermediate frequency amplifier, sawtooth wave voltage of a main board is added to a control end of a voltage tuning type first local vibrator through a tuning voltage generator, sawtooth waves are added to a horizontal deflection plate of an oscillographic tube, and an output signal of the superheterodyne receiver is added to a vertical deflection plate of the oscillographic tube; a first local oscillator of the radio frequency unit adopts a solid microwave oscillator module, and a first frequency mixer adopts a double-balanced frequency mixer module. The portable solar water heater has the characteristics of small volume, light weight, portability, simple operation, low price, high performance and the like; can be accepted by small and medium enterprises, electronic workers and maintenance personnel, and can be widely used for testing communication electronic products.

However, the above spectrum analyzer is inconvenient to adjust the tilt angle. When a spectrum analyzer is used, a reflection may be generated on a screen of the spectrum analyzer, and it is difficult for a user to clearly observe an image on the screen of the spectrum analyzer. The height of each user is different, and people of different heights are difficult to guarantee that sight and the screen of spectrum analyzer aim at when using the spectrum analyzer, and are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a portable spectrum analyzer with convenient adjustment of the inclination angle, which is convenient for users to observe the screen image of the spectrum analyzer.

The utility model discloses the technical scheme who adopts does:

the utility model provides a portable spectrum analysis appearance, includes base and spectrum analysis appearance main part, and the base upside is fixed with a plurality of dead levers and a plurality of telescopic machanism, and the other end and the spectrum analysis appearance main part of dead lever are articulated, and telescopic machanism's the other end is connected with the removal slider, is provided with the spout in the spectrum analysis appearance main part, removes the slider cover and locates in the spout.

Preferably, telescopic machanism is fixed in on the base including fixed cover, the one end of fixed cover, and fixed sheatheeing in is connected with the screw nut subassembly, and the other end of screw nut subassembly is connected with the rotation connector, and the other end of rotating the connector is fixed with removal slider.

Preferably, the screw nut assembly includes the nut, and the nut is fixed in fixed sheathe in, and nut threaded connection has the lead screw, and in the fixed sheathe was located to the pot head of lead screw, the other end and the rotation connector of lead screw were connected.

Preferably, a dial wheel is fixed on the screw rod.

Preferably, the rotating connector comprises a rotating round head, one end of the rotating round head is fixed on the screw nut assembly, a rotating circular groove is sleeved on the rotating round head, and the rotating circular groove is fixed with the movable sliding block.

Preferably, the base includes bottom plate and rotor plate, is provided with the ring channel on the bottom plate, and the ring channel endotheca is equipped with the rotation slider, and the other end and the rotor plate of rotation slider are fixed, and a plurality of dead levers and a plurality of telescopic machanism all are fixed in on the rotor plate.

Preferably, the shape of the rotary slider is an arc.

The utility model has the advantages that:

1. in order to enable the screen to reach the optimal inclination angle, the extension length of the telescopic mechanism can be adjusted, so that the heights of two sides of the main body of the spectrum analyzer are different, and the aim of adjusting the inclination angle is fulfilled. When the telescopic mechanism is adjusted, the movable sliding block on the telescopic mechanism can slide in the sliding groove, so that the telescopic mechanism can be smoothly stretched, and the interference between the telescopic mechanism and the main body of the spectrum analyzer is avoided. The dead lever is connected to the spectrum analysis appearance main part highly inconvenient, and the high emergence of moving slide block department is connected to the spectrum analysis appearance main part changes, then the spectrum analysis appearance main part produces the slope, realizes the adjustment at spectrum analysis appearance inclination, and the user of convenient different heights uses.

2. When the screw nut assembly is operated, the screw nut assembly drives the rotating connector to correspondingly lift, and the telescopic mechanism stretches and retracts. The output end of the rotary connector cannot rotate along with the screw nut assembly, the situation that the movable sliding block and the sliding groove generate movement interference is avoided, and the movable sliding block can be guaranteed to accurately move in the sliding groove.

3. And rotating the lead screw, wherein the lead screw moves spirally relative to the nut, one end of the lead screw extends out of or retracts into the fixed sleeve, the height of the other end of the lead screw is adjusted, and after the height of the lead screw is adjusted, the height of the rotating connector and the height of the movable sliding block are correspondingly adjusted. Therefore, the height of the main body of the spectrum analyzer connected with the movable sliding block is adjusted, the inclination angle of the main body of the spectrum analyzer is changed, and the use is convenient.

4. When the lead screw needs to be rotated, the poking wheel is poked, so that the operation is convenient.

5. When the screw nut component acts, the screw nut component drives the rotating round heads to rotate together. The movable sliding block is fixedly connected with the rotary circular groove, and the rotary circular groove cannot rotate when the movable sliding block is sleeved in the sliding groove. The rotating round head can rotate in the rotating round groove, and the rotating round head only pushes the rotating round groove to lift, so that the rotating round head and the rotating round groove cannot move to interfere.

6. When a plurality of persons use the spectrum analyzer, the turning direction of the spectrum analyzer body can be adjusted. And the rotating sliding block at the bottom of the rotating plate slides in the annular groove, so that the steering energy of the spectrum analyzer main body can be correspondingly adjusted. By adjusting the orientation of the main body of the spectrum analyzer, each user can conveniently operate and observe the spectrum analyzer.

7. The shape of the rotating slide block is arc, so that the rotating slide block can be accurately sleeved in the annular groove, and the condition that the annular groove generates motion interference on the rotating slide block is avoided.

The advantages of the invention are not limited to the description, but rather are described in greater detail in the detailed description for better understanding.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings thereof.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic structural view of the telescoping mechanism and the moving slide;

FIG. 4 is a schematic view of the structure of the base;

fig. 5 is a schematic structural view of the rotary slider.

In the figure: 1-a base; 11-a base plate; 111-a ring groove; 12-a rotating plate; 13-rotating the slider; 2-a spectrum analyzer body; 21-a chute; 3-fixing the rod; 4-a telescoping mechanism; 41-fixing sleeves; 42-lead screw nut assembly; 421-a nut; 422-lead screw; 423-dial wheel; 43-a rotary joint; 431-rolling round head; 432-rotating circular groove; 5-moving the slide block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1:

as shown in fig. 1-3, the utility model discloses a base 1 and spectrum analysis appearance main part 2, base 1 upside are fixed with a plurality of dead levers 3 and a plurality of telescopic machanism 4, and the other end of dead lever 3 is articulated with spectrum analysis appearance main part 2, and telescopic machanism 4's the other end is connected with and removes slider 5, is provided with spout 21 on the spectrum analysis appearance main part 2, removes slider 5 cover and locates in the spout 21.

In order to enable the screen to reach the optimal inclination angle, the extension length of the telescopic mechanism 4 can be adjusted, so that the heights of the two sides of the spectrum analyzer body 2 are different, and the purpose of inclination angle adjustment is achieved. When the telescopic mechanism 4 is adjusted, the movable sliding block 5 on the telescopic mechanism 4 can slide in the sliding groove 21, so that the telescopic mechanism 4 can be smoothly stretched and retracted, and the condition that the telescopic mechanism 4 interferes with the spectrum analyzer main body 2 is avoided. The height inconvenience of dead lever 3 is connected to spectrum analysis appearance main part 2, and the height change that moves slider 5 department is connected to spectrum analysis appearance main part 2, then spectrum analysis appearance main part 2 produces the slope, realizes the adjustment at spectrum analysis appearance inclination, and the user of convenient different heights uses.

Example 2:

on the basis of embodiment 1, telescopic machanism 4 is fixed in base 1 including fixed cover 41, the one end of fixed cover 41 on, be connected with screw nut subassembly 42 on the fixed cover 41, the other end of screw nut subassembly 42 is connected with and rotates connector 43, the other end that rotates connector 43 is fixed with removal slider 5.

When the screw nut assembly 42 is operated, the screw nut assembly 42 drives the rotary connector 43 to correspondingly lift, so that the telescopic mechanism 4 is stretched. The output end of the rotary connector 43 cannot rotate along with the screw nut assembly 42, so that the situation that the movable sliding block 5 and the sliding groove 21 generate motion interference is avoided, and the movable sliding block 5 can accurately move in the sliding groove 21.

Furthermore, the screw nut assembly 42 includes a nut 421, the nut 421 is fixed on the fixing sleeve 41, the nut 421 is connected with a screw 422 through a thread, one end of the screw 422 is sleeved in the fixing sleeve 41, and the other end of the screw 422 is connected with the rotating connector 43. A dial wheel 423 is fixed on the lead screw 422.

When the screw 422 is rotated, the screw 422 moves spirally relative to the nut 421, one end of the screw 422 extends out of or retracts into the fixed sleeve 41, the height of the other end of the screw 422 is adjusted, and after the height of the screw 422 is adjusted, the heights of the rotating connector 43 and the moving slider 5 are correspondingly adjusted. Therefore, the height of the spectrum analyzer main body 2 connected with the movable slide block 5 is adjusted, and the inclination angle of the spectrum analyzer main body 2 is changed, so that the spectrum analyzer is convenient to use. When the screw 422 needs to be rotated, the dial wheel 423 is dialed, so that the operation is convenient.

Further, the rotating connector 43 includes a rotating round head 431, one end of the rotating round head 431 is fixed on the lead screw nut assembly 42, a rotating circular groove 432 is sleeved on the rotating round head 431, and the rotating circular groove 432 is fixed with the movable sliding block 5.

When the lead screw nut assembly 42 is actuated, the lead screw nut assembly 42 drives the rotating round head 431 to rotate together. The movable slider 5 is fixedly connected with the circular rotating groove 432, and the circular rotating groove 432 cannot rotate when the movable slider 5 is sleeved in the sliding groove 21. The rotating round head 431 can rotate in the rotating round groove 432, and the rotating round head 431 only pushes the rotating round groove 432 to ascend and descend, so that the rotating round head 431 and the rotating round groove 432 cannot generate motion interference.

Example 3:

on the basis of embodiment 1 or embodiment 2, base 1 includes bottom plate 11 and rotor plate 12, is provided with ring channel 111 on the bottom plate 11, and the rotating slider 13 is equipped with to the interior cover of ring channel 111, and the other end of rotating slider 13 is fixed with rotor plate 12, and a plurality of dead levers 3 and a plurality of telescopic machanism 4 are all fixed in on rotor plate 12.

When a plurality of persons use the spectrum analyzer, the turning direction of the spectrum analyzer main body 2 can be adjusted. The main body 2 of the spectrum analyzer is poked and rotated, and the rotating slide block 13 at the bottom of the rotating plate 12 slides in the annular groove 111, so that the rotation direction of the main body 2 of the spectrum analyzer can be adjusted correspondingly. By adjusting the orientation of the spectrum analyzer body 2, each user can conveniently operate and observe the spectrum analyzer.

Further, the shape of the rotary slider 13 is an arc. 7. The shape of the rotating slide block is arc, so that the rotating slide block can be accurately sleeved in the annular groove, and the condition that the annular groove generates motion interference on the rotating slide block is avoided.

The shape of the rotating slider 13 is arc, so that the rotating slider 13 can be accurately sleeved in the annular groove 111, and the condition that the annular groove 111 generates movement interference on the rotating slider 13 is avoided.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A portable spectrum analyzer, characterized by: the spectrum analyzer comprises a base (1) and a spectrum analyzer main body (2), wherein a plurality of fixing rods (3) and a plurality of telescopic mechanisms (4) are fixed on the upper side of the base (1), the other ends of the fixing rods (3) are hinged to the spectrum analyzer main body (2), the other ends of the telescopic mechanisms (4) are connected with movable sliding blocks (5), sliding grooves (21) are formed in the spectrum analyzer main body (2), and the movable sliding blocks (5) are sleeved in the sliding grooves (21).

2. The portable spectrum analyzer of claim 1, wherein: telescopic machanism (4) are fixed in base (1) including fixed cover (41), the one end of fixed cover (41) on, are connected with screw nut subassembly (42) on fixed cover (41), and the other end of screw nut subassembly (42) is connected with rotates connector (43), and the other end that rotates connector (43) is fixed with removal slider (5).

3. The portable spectrum analyzer of claim 2, wherein: the screw and nut assembly (42) comprises a nut (421), the nut (421) is fixed on the fixed sleeve (41), the nut (421) is in threaded connection with a screw (422), one end of the screw (422) is sleeved in the fixed sleeve (41), and the other end of the screw (422) is connected with the rotating connector (43).

4. A portable spectrum analyzer as defined in claim 3, wherein: and a dial rotating wheel (423) is fixed on the lead screw (422).

5. The portable spectrum analyzer of claim 2, wherein: the rotary connector (43) comprises a rotary round head (431), one end of the rotary round head (431) is fixed on the screw nut component (42), a rotary circular groove (432) is sleeved on the rotary round head (431), and the rotary circular groove (432) is fixed with the movable sliding block (5).

6. A portable spectrum analyser as claimed in any one of claims 1 to 5, wherein: the base (1) comprises a bottom plate (11) and a rotating plate (12), an annular groove (111) is formed in the bottom plate (11), a rotating sliding block (13) is sleeved in the annular groove (111), the other end of the rotating sliding block (13) is fixed to the rotating plate (12), and a plurality of fixing rods (3) and a plurality of telescopic mechanisms (4) are fixed to the rotating plate (12).

7. The portable spectrum analyzer of claim 6, wherein: the shape of the rotating slide block (13) is arc-shaped.