CN206710513U - A kind of multifunctional harmonic wave instrument - Google Patents

Abstract

The utility model proposes a kind of multifunctional harmonic wave instrument, including shell and PCB control panels, the shell includes upper lid and lid, the upper lid forms a receiving space with the lid, the PCB control panels are contained in the receiving space, and the lid includes chute, locating piece and fixed block, and the PCB control panels can slide on the chute, the locating piece is used for PCB control panels described in location and installation, and the fixed block fixes the PCB control panels.Positioned using chute, locating piece during multifunctional harmonic wave instrument assembling of the present utility model, be fixed using fixed block, compared to traditional screw fixed form, there is high fast positioning, efficiency of assembling, saving assembly cost, advantages of simple structure and simple.

Description

A kind of multifunctional harmonic wave instrument

Technical field

Electronic instrument apparatus field is the utility model is related to, especially a kind of multifunctional harmonic wave instrument.

Background technology

Multifunctional harmonic wave table instrument is designed using most modern microprocessor and Digital Signal Processing, and set is complete Three phase electrical/the display in face, energy accumulation, power quality analysis, numeral input/output and network communication, its Instrument can be used as to be used alone, a large amount of traditional simulation instrument of substitution, can act also as end member before electric power monitoring system (scada) Part.Multifunctional harmonic wave instrument has powerful data acquisition and processing (DAP) function, have three-phase voltage, three-phase current, active power, Always the percent harmonic distortion voltage of reactive power, total power factor, frequency, total active electrical degree, voltage and electric current, the 2~15 of electric current The measurement of order harmonic components containing ratio and computing function；With 2 road Control outputs；With most powerful totally 4 way switch amount Input function；Therefore multifunctional harmonic wave instrument is widely used in power system.

However, the watchcase and table body of existing multifunctional harmonic wave instrument, watchcase top and the bottom between assembly method still So old traditional mode-adopt the fixed form being screwed, this will perforate tapping, so as to increase technique, not only waste Technique man-hour and assembly work influence efficiency, and the structure for being possible to destroy shell causes product so as to increase labour cost Scrappage increase.On the other hand, the utility model is designed and a kind of assembling, positioning, fixed is can reach not the mode being screwed Multifunctional harmonic wave instrument.

Utility model content

In order to solve the above problems, the utility model proposes a kind of fast positioning, efficiency of assembling is high, save assembly cost, Multifunctional harmonic wave instrument simple in construction.

What the utility model was achieved through the following technical solutions：

The utility model proposes a kind of multifunctional harmonic wave instrument, including shell and PCB control panels, the shell to include upper lid With lid, the upper lid forms a receiving space with the lid, and the PCB control panels are contained in the receiving space, institute Stating lid includes chute, locating piece and fixed block, and the chute is located at the same face of the lid with the locating piece, described Fixed block is located at the adjacent surface of the locating piece, and the end face of the fixed block is concordant with the end face of the locating piece, the PCB controls Making sheet can be slided on the chute, and the locating piece is used for PCB control panels described in location and installation, and the fixed block fixes institute State PCB control panels.

Further, be covered with buckle on described, the lid is provided with block button hole, the buckle tip in the block button hole from And the upper lid is fixed on the lid.

Further, the lid includes the first face and the second face, and first face is oppositely arranged with second face, institute State and be equipped with the chute, the locating piece on the first face and second face.

Further, described chute one end is provided with inclined-plane, and the inclined-plane forms Y types with the chute.

Further, the chute includes the first chute, the second chute, the 3rd chute and the 4th chute, and described first Chute, second chute are located on the side of the locating piece, and the 3rd chute, the 4th chute are respectively provided at the positioning The both sides of block.

Further, the lid also includes post holes, and the post holes is located at the bottom of the lid and penetrates the lid Bottom, the post holes be used for the lid outer installation.

Further, the upper lid also includes multiple massage protection caps, and the massage protection cap is spaced substantially equidistant.

Further, the massage protection cap includes connection end, cap body, and the cap body protects pressing for the PCB control panels Key, described connection end one end connect the upper lid, and the other end connects the cap body.

Further, the massage protection cap is flexible plastic.

The beneficial effects of the utility model：

1. multifunctional harmonic wave instrument of the present utility model realizes PCB control panels using chute, locating piece can be accurate, quick Ground is positioned in shell, is fixed using fixed block, is fixed compared to screw, saves technological process and technique man-hour, and Efficiency of assembling is high, saves assembly cost.

2. realized removably admittedly using buckle between the upper lid and lid of multifunctional harmonic wave instrument of the present utility model Dingan County fills, and without the turn of the screw when dismantling, installing, installation is safeguarded more convenient.

Brief description of the drawings

Fig. 1 is the structural representation of multifunctional harmonic wave instrument of the present utility model；

Fig. 2 is the structural decomposition diagram of multifunctional harmonic wave instrument of the present utility model；

Fig. 3 is the lid and PCB control panel cooperation schematic diagrams of multifunctional harmonic wave instrument of the present utility model；

Fig. 4-Fig. 5 is the structural representation of the lid of multifunctional harmonic wave instrument of the present utility model；

Fig. 6 is the sliding groove structure schematic diagram of multifunctional harmonic wave instrument of the present utility model；

Fig. 7 is the structural representation of the lid of multifunctional harmonic wave instrument of the present utility model；

Fig. 8 is the structural representation of the upper lid of multifunctional harmonic wave instrument of the present utility model；

Fig. 9 is the close-up schematic view of the massage protection cap of multifunctional harmonic wave instrument of the present utility model.

Embodiment

In order to it is clearer, completely illustrate the technical solution of the utility model, below in conjunction with the accompanying drawings to the utility model It is described further.

Fig. 1 is refer to, the utility model proposes a kind of multifunctional harmonic wave instrument, the multifunctional harmonic wave instrument includes shell 1 with PCB control panels 2.

Fig. 2-Fig. 4 is refer to, the shell 1 includes upper lid 3 and lid 4, and the upper lid 3 forms one with the lid 4 Receiving space 421, the PCB control panels 2 are contained in the receiving space 421, and the lid 4 includes chute 422, locating piece 423 and fixed block 424, the chute 422 is located at the same face of the lid 4, the fixed block with the locating piece 423 424 are located at the adjacent surface of the locating piece 423, and the end face of the fixed block 424 is concordant with the end face of the locating piece 423, institute Stating PCB control panels 2 can slide on the chute 422, and the locating piece 423 is used for PCB control panels 2 described in location and installation, The fixed block 424 fixes the PCB control panels 2.

In the present embodiment, the shell 1 plays a part of the protection PCB control panels 2, and the PCB control panels 2 are received It is dissolved in the receiving space 421 that the upper lid 3 and the lid 4 are formed, the chute 422 and the locating piece 423 are from institute The upper end for stating lid 4 extends to the bottom of the lid 4, and the glide direction of the chute 422 is vertical direction, described When PCB control panels 2 are assembled on the lid 4, the locating piece 423 plays a part of positioning, the PCB control panels 2 and institute The contact surface for stating lid 4 is provided with chute 422, and the structure of the PCB control panels 2 can be slided in the chute 422, and with institute State chute 422 to be fitted close, on the one hand the chute 422 causes the PCB control panels 2 being installed to the locating piece 423 It can realize during the lid 4 and accurately and rapidly position, drastically increase production efficiency；On the other hand can also limit described PCB control panels 2 have the function that installation is stable relative to the displacement of the horizontal direction of the lid 4.

In the present embodiment, the fixed block 424 is fixedly connected on the lid 4, and the fixed block 424 has one Fixed elasticity, when the PCB control panels 2 slide in the chute 422, the sidepieces of the PCB control panels 2 can compress described solid Determine block 424；When the PCB control panels 2 reach the bottom of the lid 4, the sidepiece of the PCB control panels 2 does not recompress institute Fixed block 424 is stated, now the fixed block 424 reaches the end of the PCB control panels 2 in the PCB control panels 2 stretching, extension, from And the PCB control panels 2 are limited relative to the lid 4 in the displacement of radial direction, the fixed plate reaches the fixed PCB controls The purpose of plate 2, fix without carrying out screw again, fixed compared to screw, save technological process and the technique work of perforate tapping When, and efficiency of assembling greatly improves, and saves assembly cost.

Further, Fig. 7-Fig. 8 is refer to, the upper lid 3 is provided with buckle 31, and the lid 4 is provided with block button hole 425, institute State buckle 31 and tip the block button hole 425 in so as to which the upper lid 3 is fixed on the lid 4.

In the present embodiment, the upper lid 3 has 4 buckles 31, and accordingly, the lid 4 also has 4 block button holes 425, wherein, 2 buckles 31 are distributed in one end of the upper lid 3, and 2 buckles 31 are distributed in the upper lid 3 in addition Opposite end, just and therewith block button hole 425 coordinates each buckle 31 corresponding to position relationship, is realized using the mode of buckle 31 Dismountable fixed installation, without the turn of the screw when dismounting, installation, efficiency of assembling is further improved, save assembly cost, pacify Dress is safeguarded more convenient.

Further, Fig. 4-Fig. 6 is refer to, the lid 4 includes the first face 426 and the second face 427, first face 426 are oppositely arranged with second face 427, and the chute 422, institute are equipped with first face 426 and second face 427 State locating piece 423；Described one end of chute 422 is provided with inclined-plane, and the inclined-plane forms Y types with the chute 422；The chute 422 Including the first chute 4222, the second chute 4223, the 3rd chute 4224 and the 4th chute 4225, first chute 4222, Second chute 4223 is located on the side of the locating piece 423, and the 3rd chute 4224, the 4th chute 4225 are set respectively In the both sides of the locating piece.

In the present embodiment, first face 426 is as the structure in second face 427, and the first face 426 and institute The second face 427 is stated to be oppositely arranged, so as to the chute 422 on the first face 426, locating piece 423 respectively with second face 427 Chute 422, locating piece 423 are symmetrical, and PCB control panels 2 realize that both ends are slided, positioned on the lid 4, further improve assembling Shi Dingwei accuracy so that more smoothed out during slip, installation is more smooth.

In the present embodiment, it is provided with inclined-plane in described chute one end, the inclined-plane has 2,2 inclined-planes and institute State chute 422 and form Y types, so that the opening increase of the one end of the chute 422, is advantageous to the PCB control panels 2 rapidly Insert in the chute 422, further improve PCB control panels 2 and the efficiency of the assembling of the chute 422.

In the present embodiment, the structure indent for the part that PCB controls coordinate with the locating piece 423, in the positioning First chute 4222, second chute 4223 are set on the side of block 423, and the PCB control panels 2 are slided described first Slided on groove 4222, the second chute 4223 so that the PCB control panels 2 with the locating piece 423 after coordinating, increase by one The restraining force of individual both ends balance, avoids the generation of internal stress, so as to damage PCB control panels 2, influences the use of PCB control panels 2 Life-span；3rd chute 4224, the 4th chute 4225 are respectively provided at the both sides of the locating piece, are controlled respectively with the PCB The structure of plate 2 is corresponding, and the PCB control panels 2 slide on the 3rd chute 4224, the 4th chute 4225 so that assembling is fixed Position is faster.

Further, Fig. 4 is refer to, the lid 4 also includes post holes 428, and the post holes 428 is located at the lid 4 Bottom and the bottom for penetrating the lid 4, the post holes 428 are used for the outer installation of the lid 4.

In the present embodiment, screw is tapped with the post holes 428, described one end of post holes 428 is close to the fixed block 424 Bottom, the cooperation that can pass through screw and the post holes 428 realizes, the lid 4 external installation and fixation, structure design letter It is single and ingenious.

Further, Fig. 8-Fig. 9 is refer to, the upper lid 3 also includes multiple massage protection caps 32, the massage protection cap 32 are spaced substantially equidistant；The massage protection cap 32 includes connection end 321, cap body 322, and the cap body 322 protects the PCB to control The button of plate 2, described one end of connection end 321 connect the upper lid 3, and the other end connects the cap body 322；The massage protection cap 32 be flexible plastic.

In the present embodiment, the massage protection cap 32 protects the button on PCB control panels 2, avoids pressing force direct Act on the button of the PCB control panels 2, and avoid sweat on hand from corroding PCB control panels 2, so as to improve PCB controls The service life of the button of plate 2.

In the present embodiment, the massage protection cap 32 is flexible plastic, and when pressing down on, the button is protected Helmet 32 contacts the buttons of the PCB control panels 2 so as to trigger button, and during release, the massage protection cap 32 recovers elastic shape Become, and the button of the massage protection cap 32 and the PCB control panels 2 has the gap of a bit；The cap body 322 and the company It is inverted "L" shaped to connect the formation of end 321 one, the one end of cap body 322 connection connection end 321, the constraint that the other end does not stress, from And cause cap body 322 not take very big power when pressing down on, and cause connection end 321 without by very big load, Easily recover elastic deformation, so as to improve the service life of massage protection cap 32.

Certainly, the utility model can also have other numerous embodiments, based on present embodiment, the ordinary skill of this area Personnel obtain other embodiment on the premise of any creative work is not made, and belong to the utility model and are protected Scope.

Claims (9)

1. a kind of multifunctional harmonic wave instrument, including shell and PCB control panels, it is characterised in that the shell includes Shang Gai and lid Body, the upper lid form a receiving space with the lid, and the PCB control panels are contained in the receiving space, the lid Body includes chute, locating piece and fixed block, and the chute is located at the same face of the lid, the fixation with the locating piece Block is located at the adjacent surface of the locating piece, and the end face of the fixed block is concordant with the end face of the locating piece, the PCB control panels It can be slided on the chute, the locating piece is used for PCB control panels described in location and installation, described in the fixed block is fixed PCB control panels.

2. multifunctional harmonic wave instrument according to claim 1, it is characterised in that buckle, the lid are covered with described Provided with block button hole, the buckle tips the block button hole in so as to which the upper lid is fixed on the lid.

3. multifunctional harmonic wave instrument according to claim 1, it is characterised in that the lid includes the first face and second Face, first face are oppositely arranged with second face, and the chute, described is equipped with first face and second face Locating piece.

4. multifunctional harmonic wave instrument according to claim 3, it is characterised in that described chute one end is provided with inclined-plane, described Inclined-plane forms Y types with the chute.

5. multifunctional harmonic wave instrument according to claim 4, it is characterised in that the chute includes the first chute, second Chute, the 3rd chute and the 4th chute, first chute, second chute are located on the side of the locating piece, institute State the 3rd chute, the 4th chute is respectively provided at the both sides of the locating piece.

6. multifunctional harmonic wave instrument according to claim 5, it is characterised in that the lid also includes post holes, the post Hole is located at the bottom of the lid and penetrates the bottom of the lid, and the post holes is used for the outer installation of the lid.

7. multifunctional harmonic wave instrument according to claim 1, it is characterised in that the upper lid also includes multiple massage protections Cap, the massage protection cap are spaced substantially equidistant.

8. multifunctional harmonic wave instrument according to claim 7, it is characterised in that the massage protection cap include connection end, Cap body, the cap body protect the button of the PCB control panels, and described connection end one end connects the upper lid, other end connection institute State cap body.

9. multifunctional harmonic wave instrument according to claim 8, it is characterised in that the massage protection cap is flexible Plastic.