CN208888597U - A kind of revolving speed stopwatch of the replaceable battery with protective cover - Google Patents
A kind of revolving speed stopwatch of the replaceable battery with protective cover Download PDFInfo
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- CN208888597U CN208888597U CN201821628728.9U CN201821628728U CN208888597U CN 208888597 U CN208888597 U CN 208888597U CN 201821628728 U CN201821628728 U CN 201821628728U CN 208888597 U CN208888597 U CN 208888597U
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- protective cover
- circuit board
- board assemblies
- revolving speed
- housing unit
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Abstract
A kind of revolving speed stopwatch of the replaceable battery with protective cover; including circuit board assemblies and the housing unit being wrapped in outside circuit board assemblies; the back of housing unit is extended with the battery holder communicated with outside to housing unit internal direction; power supply is equipped with inside battery holder and power supply is connected with circuit board assemblies; the back of housing unit is equipped with battery cover matched with battery holder; it is characterized by also including the protective covers being arranged in housing unit; circuit board assemblies are arranged in protective cover, and the gap filling between protective cover and circuit board assemblies has flexible glue；Circuit board assemblies are equipped with display screen, and corresponding to display screen evagination on protective cover has transparent placed cavity, opening corresponding with placed cavity are offered on the housing unit, display screen is set in the placed cavity, and placed cavity is embedded in the opening.Double shielding by housing unit and protective cover to circuit board assemblies improves the waterproof performance of stopwatch, therefore is provided with high waterproof performance and replaceable battery simultaneously.
Description
Technical field
The utility model relates to a kind of revolving speed stopwatch, in particular to when tachometer of a kind of replaceable battery with protective cover
Table.
Background technique
Currently, common revolving speed stopwatch in the market, is mainly used for testing the gasoline such as motorcycle, chain saw, motor boat hair
The maintenance timing of motivation.
In general, revolving speed stopwatch includes the display screen of shell and setting on the housing, circuit board is equipped in the shell
Various measurement modules are arranged in component on the board, even if not needing external offer power supply, also can use battery is circuit
Board group part provides power supply, but the battery of most of product is all single consumption, non-exchange, waits batteries to be finished, the tachometer
When table also just simultaneously scrap, cause the service life of revolving speed stopwatch to greatly shorten, and outside the display screen on circuit board assemblies
It is exposed to shell or display screen upper end only has the protection of gum labeling, therefore protect very poor with waterproof performance.
Utility model content
For the current state of the art, the technical problem to be solved by the utility model is to provide one kind can replace electricity
Pond, and it is able to achieve revolving speed stopwatch of the replaceable battery with protective cover of high waterproof performance.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of replaceable battery is with protective cover
Revolving speed stopwatch includes that can acquire signal and carry out the circuit board assemblies of timing and be wrapped in outside the circuit board assemblies
Housing unit, the back of the housing unit are extended with the battery holder communicated with outside, the electricity to housing unit internal direction
Power supply is equipped with inside stall and power supply is connected to be powered for the circuit board assemblies with circuit board assemblies, the shell group
The back of part is equipped with battery cover matched with battery holder, it is characterised in that: further includes the protective cover being arranged in housing unit, institute
It states circuit board assemblies to be arranged in protective cover, the gap filling between the protective cover and circuit board assemblies has flexible glue；
The circuit board assemblies are equipped with the display screen for showing data information, correspond on the protective cover described aobvious
Display screen evagination has transparent placed cavity, and opening corresponding with placed cavity is offered on the housing unit, and the display screen is set
In in the placed cavity, and placed cavity is embedded in the opening.
The housing unit includes the upper housing and lower case for sealing against each other fastening, between the upper housing and lower case
With accommodating cavity, the circuit board assemblies and protective cover are arranged in first accommodating cavity, between the lower case and protective cover
With the second accommodating cavity, the circuit board assemblies are arranged in second accommodating cavity.
Preferably, the power supply is button cell.
The battery holder is arranged in lower case, and the first sealing ring is additionally provided between the battery cover and the lower case.
The circuit board assemblies include for acquiring and amplifying the signal amplifier of tach signal, for handling revolving speed letter
Number to control the single-chip microcontroller of timing, memory for storing data and for the light of circuit board assemblies output control command
Touching switch, the touch-switch, signal amplifier, memory and display screen are connected with the single-chip microcontroller.
Correspond to the touch-switch on the protective cover and offers the first through hole for Gong being pierced by, it is right on the housing unit
The second through-hole for operating touch-switch should be offered in first through hole.
The back of the display screen is additionally provided with backlight.
Soft key is arranged on the touch-switch, the key is stretched out from the first through hole and the second through-hole
Outside the housing unit, the key is folded between the upper housing and circuit board assemblies.
Timing line trigger signal is also connected on the circuit board assemblies, the timing line trigger signal is put with the signal
Big device is connected, and sealing-plug is arranged on the timing line trigger signal, offers on the upper housing and triggers for the timing
The third through-hole that signal wire passes through offers fourth hole corresponding with third through-hole, the sealing-plug on the protective cover
It is fastened in third through-hole and fourth hole, for sealing the gap between third through-hole and timing line trigger signal.
The second sealing ring is additionally provided between the lower case and protective cover.
Compared with the prior art, the advantages of the utility model are: by the way that battery holder is arranged at the back of housing unit, it will
Button cell is placed in the battery holder, is convenient for changing power supply, by dismantling battery cover, so that it may which the replacement for completing original power supply makes
Revolving speed stopwatch can also continue to replacement power supply and use, extend the service life of revolving speed stopwatch after original power supply is finished,
And be arranged in the placed cavity in protective cover by the way that protective cover is arranged in housing unit, and by display screen, by protective cover and
Gap filling flexible glue between circuit board assemblies, energy effectively protecting display screen, and by housing unit and protective cover to circuit board
The double shielding of component, can soft copy on effective protection circuit board assemblies, the trigger signal for acquiring circuit board assemblies is more
Stablize, improves the waterproof performance of stopwatch, can effectively extend the service life of stopwatch, therefore be provided with high waterproof simultaneously
Performance and replaceable battery.
Detailed description of the invention
Fig. 1 is the perspective view of revolving speed stopwatch in the utility model embodiment；
Fig. 2 is the top view in Fig. 1；
Fig. 3 is the exploded view of revolving speed stopwatch in the utility model embodiment；
Fig. 4 is the structural block diagram of circuit board assemblies in the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in FIG. 1 to 3, revolving speed stopwatch of the replaceable battery in the present embodiment with protective cover includes that can adopt
Collection signal simultaneously carries out the circuit board assemblies 1 of timing, the housing unit 3 being wrapped in outside circuit board assemblies 1 and is arranged in housing unit 3
Interior protective cover 4, circuit board assemblies 1 are arranged in the protective cover 4.Housing unit 3 includes the upper housing 31 for sealing against each other fastening
With lower case 32.
Upper housing 31 is fixedly connected with lower case 32 by screw, avoids colloid exposed, makes revolving speed stopwatch more beautiful,
There is the first accommodating cavity, circuit board assemblies 1 and protective cover 4 are arranged in first accommodating cavity between upper housing 31 and lower case 32
It is interior, there is the second accommodating cavity, circuit board assemblies 1 are arranged in second accommodating cavity, this second between lower case 32 and protective cover 4
Gap in accommodating cavity is then filled by flexible glue, so both can protect the electronic component on circuit board assemblies 1, while can be steady
The acquisition signal of fixed detection test product, under upper housing 31 and the package action of lower case 32, flexible glue is not in be detached from
The case where circuit board assemblies 1, at the same can also protection circuit plate component 1 carried out in rugged environment using.
Wherein, the back of housing unit 3 is extended with the battery holder 321 communicated with outside, tool to 3 internal direction of housing unit
Body, which is arranged in lower case 32, equipped with power supply 2 and power supply 2 and 1 phase of circuit board assemblies inside battery holder 321
Connection thinks that circuit board assemblies 1 are powered, and the back of housing unit 3 is equipped with battery cover 322 matched with battery holder 321, this
In embodiment, power supply 2 is button cell, and battery cover 322 has a pillar 3222, which offsets with button cell, convenient for top
Battery holder 321 is isolated from the outside by tight button cell by battery cover 322.
As shown in figure 4, wherein circuit board assemblies 1 can be using general circuit board assemblies 1 in stopwatch, in the present embodiment
Circuit board assemblies 1 include for circuit board assemblies 1 export control command touch-switch 11, for acquire and amplify turn
The signal amplifier 12 of fast signal, for handle tach signal with control timing single-chip microcontroller 13, depositing for storing data
Reservoir 14 and display screen 15 for showing data information, touch-switch 11, signal amplifier 12, memory 14 and display screen 15
It is connected with single-chip microcontroller 13.At work, when test product rotates, signal amplifier 12 acquires the tach signal simultaneously
The tach signal memory is amplified, the tach signal after enhanced processing is sent in single-chip microcontroller 13, and single-chip microcontroller 13 believes the revolving speed
Number duration carries out timing and stores into memory 14, while judging test product according to the conditional information stored in memory 14
Operating time whether reach service time etc..In addition, can show tested production by display according to the timing of single-chip microcontroller 13
The multiple functions information such as operating time, warning message of product.Institute on circuit board assemblies 1 is welded between display screen 15 in order to prevent
Display screen 15 can be connect by conductive adhesive tape 16 with circuit board assemblies 1 by existing hidden danger.
Touch-switch 11 in the present embodiment is provided at least two, to realize different function control order output.This
In embodiment touch-switch setting there are two, by two touch-switch 11 may be implemented control command on turn down with it is defeated
Enter, can be realized the free switching of content on display, effectively prevents needing circulate operation by a touch-switch 11
The drawbacks of can be carried out the input of input order, improves driving efficiency.
Corresponding to 15 evagination of display screen on protective cover 4 has transparent placed cavity 42, offers on upper housing 31 and placed cavity
42 corresponding openings 312, display screen 15 is set in placed cavity 42, and placed cavity 42 is embedded in opening 312；The present embodiment
In, the back of display screen 15 is additionally provided with backlight 6, and backlight 6 checks the data of display screen 15 in the insufficient environment of light,
In order to guarantee the display effect of display screen, in the present embodiment, the top plate of placed cavity 42 and it is made of transparent material, passes through protective cover
Placed cavity 42 on 4 can effectively prevent external water entrance, cause to damage to display screen, and the transparent roof panels of placed cavity 42 can have
Effect guarantees the display effect of display screen 15.
Correspond to touch-switch 11 on protective cover 4 and offer the first through hole 41 for Gong being pierced by, corresponding to the on housing unit 3
One through-hole 41 offers the second through-hole 311 for operating touch-switch 11, is arranged with soft key 111 on touch-switch 11,
Key 111 stretches out outside housing unit 3 from first through hole 21 and the second through-hole 311, and key 111 is folded in upper housing 31 and circuit
Between board group part 1, in the present embodiment, key 111 uses rubber material, touch-switch can be protected to can increase feel again.
Timing line trigger signal 7, timing line trigger signal 7 and 12 phase of signal amplifier are also connected on circuit board assemblies 1
Connection is arranged with sealing-plug 8 on timing line trigger signal 7, and the passed through for timing line trigger signal 7 is offered on upper housing 31
Three through-holes 313 offer fourth hole 43 corresponding with third through-hole 313 on protective cover 4, and it is logical that sealing-plug 8 is fastened on third
In hole 313 and fourth hole 43, for sealing the gap between third through-hole 313 and timing line trigger signal 7, play waterproof and
The effect for protecting timing line trigger signal to pull out.In the present embodiment, sealing-plug 7 is rubber stopper, guarantees shell group by sealing-plug 7
The sealing performance of part 3.
The first sealing ring 5 is equipped between battery cover 322 and lower case 32, the bottom of battery cover 322 is equipped with a disassembly slot
3221, by dismantling the battery cover 322 easy to disassemble of slot 3221, button cell is replaced, button cell is packed into lower case 32
On battery holder 321 in, assembled by the first sealing ring 5 and battery cover 322, make to assemble between battery cover 322 and lower case 32
It is even closer, it is used for waterproof action；And the second sealing ring 9 is set between lower case 32 and protective cover 4, lower case 32 and upper
It is fixed between shell 31 by screw, screw is located at 9 outside of the second sealing ring, is used for waterproof between protective cover 4 and lower case 32
Effect.
On the one hand, by the way that battery holder 321 is arranged in lower case 32, button cell is placed in the battery holder 321, conveniently
Power supply is replaced, by dismantling battery cover, so that it may the replacement for completing original power supply makes revolving speed stopwatch after original power supply is finished,
It can also continue to replacement power supply to use, extend the service life of revolving speed stopwatch；On the other hand, by by circuit board assemblies 1
It is arranged in protective cover 4, and protective cover 4 is arranged in housing unit 3, therefore duplicate protection is carried out to circuit board assemblies 1, and
And have transparent placed cavity 42 corresponding to 15 evagination of display screen on protective cover 4, by being embedded placed cavity 42 on upper housing 31
Opening 312 in, protective cover 4 and housing unit 3 can bear bigger pressure, and it is exposed or in display screen to avoid display screen
On be sticked protection and poor waterproof properties that the protection of PVC labeling occurs the problem of, display that can preferably on protection circuit plate component 1
Screen reduces the possibility of display screen damage, has higher waterproof performance, and spiral shell is used between upper housing 31 and lower case 32
Nail is fixed, the gap filling flexible glue between protective cover 4 and circuit board assemblies 1, the electricity such as power supply on energy protection circuit plate component 1
Component meets the requirement of the high waterproofing grade of stopwatch to improve the waterproof ability of stopwatch.
Claims (10)
1. a kind of revolving speed stopwatch of replaceable battery with protective cover, includes the circuit board that can be acquired signal and carry out timing
Component (1) and it is wrapped in the housing unit (3) of the circuit board assemblies (1) outside, the back of the housing unit (3) is to shell group
Part (3) internal direction is extended with the battery holder (321) communicated with outside, and power supply (2) and electricity are equipped with inside the battery holder (321)
Source (2) is connected to be powered for the circuit board assemblies (1) with circuit board assemblies (1), the back of the housing unit (3)
Equipped with battery cover (322) matched with battery holder (321), it is characterised in that: further include the protection being arranged in housing unit (3)
Cover (4), the circuit board assemblies (1) setting in protective cover (4), between the protective cover (4) and circuit board assemblies (1) between
Gap is filled with flexible glue；
The circuit board assemblies (1) are equipped with the display screen (15) for showing data information, correspond on the protective cover (4)
Display screen (15) evagination has transparent placed cavity (42), offers on the housing unit (3) opposite with placed cavity (42)
The opening (312) answered, the display screen (15) is set in the placed cavity (42), and placed cavity (42) is embedded in the opening
(312) in.
2. revolving speed stopwatch of the replaceable battery according to claim 1 with protective cover, it is characterised in that: the shell group
Part (3) includes the upper housing (31) and lower case (32) for sealing against each other fastening, the upper housing (31) and lower case (32) it
Between have accommodating cavity, the circuit board assemblies (1) and protective cover (4) setting in first accommodating cavity, the lower case (32)
There is the second accommodating cavity between protective cover (4), the circuit board assemblies (1) are arranged in second accommodating cavity.
3. revolving speed stopwatch of the replaceable battery according to claim 2 with protective cover, it is characterised in that: the power supply
It (2) is button cell.
4. revolving speed stopwatch of the replaceable battery according to claim 3 with protective cover, it is characterised in that: the battery holder
(321) it is arranged on lower case (32), is additionally provided with the first sealing ring between the battery cover (322) and the lower case (32)
(5)。
5. revolving speed stopwatch of the replaceable battery according to claim 2 with protective cover, it is characterised in that: the circuit board
Component (1) include for acquiring and amplifying the signal amplifier of tach signal (12), for handle tach signal with control
The single-chip microcontroller (13) of timing, memory (14) for storing data and for circuit board assemblies (1) output control command
Touch-switch (11), the touch-switch (11), signal amplifier (12), memory (14) and display screen (15) with the list
Piece machine (13) is connected.
6. revolving speed stopwatch of the replaceable battery according to claim 5 with protective cover, it is characterised in that: the protective cover
(4) correspond to the touch-switch (11) on and offer the first through hole (41) for Gong being pierced by, correspond on the housing unit (3)
First through hole (41) offers the second through-hole (311) for operating touch-switch (11).
7. revolving speed stopwatch of the replaceable battery according to claim 6 with protective cover, it is characterised in that: the display screen
(15) back is additionally provided with backlight (6).
8. revolving speed stopwatch of the replaceable battery according to claim 6 with protective cover, it is characterised in that: described to touch out
It closes and is arranged with soft key (111) on (11), the key (111) is from the first through hole (41) and the second through-hole (311)
Stretch out the housing unit (3) outside, the key (111) is folded between the upper housing (31) and circuit board assemblies (1).
9. revolving speed stopwatch of the replaceable battery according to claim 5 with protective cover, it is characterised in that: the circuit board
It is also connected on component (1) timing line trigger signal (7), the timing line trigger signal (7) and the signal amplifier (12)
It is connected, is arranged with sealing-plug (8) on the timing line trigger signal (7), is offered on the upper housing (31) for the meter
When line trigger signal (7) third through-hole (313) for passing through, offer on the protective cover (4) corresponding with third through-hole (313)
Fourth hole (43), the sealing-plug (8) is fastened in third through-hole (313) and fourth hole (43), for sealing third
Gap between through-hole (313) and timing line trigger signal (7).
10. the revolving speed stopwatch according to replaceable battery described in claim 2~6 any claim with protective cover, special
Sign is: being additionally provided with the second sealing ring (9) between the lower case (32) and protective cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628728.9U CN208888597U (en) | 2018-10-08 | 2018-10-08 | A kind of revolving speed stopwatch of the replaceable battery with protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628728.9U CN208888597U (en) | 2018-10-08 | 2018-10-08 | A kind of revolving speed stopwatch of the replaceable battery with protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888597U true CN208888597U (en) | 2019-05-21 |
Family
ID=66515277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821628728.9U Active CN208888597U (en) | 2018-10-08 | 2018-10-08 | A kind of revolving speed stopwatch of the replaceable battery with protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208888597U (en) |
-
2018
- 2018-10-08 CN CN201821628728.9U patent/CN208888597U/en active Active
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