CN207232233U - digital multimeter - Google Patents
digital multimeter Download PDFInfo
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- CN207232233U CN207232233U CN201720993567.2U CN201720993567U CN207232233U CN 207232233 U CN207232233 U CN 207232233U CN 201720993567 U CN201720993567 U CN 201720993567U CN 207232233 U CN207232233 U CN 207232233U
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- main control
- control board
- imaging system
- thermal imaging
- digital multimeter
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Abstract
It the utility model is related to electronic instrument technology field, a kind of digital multimeter is provided, including cover component, rear shell component, thermal imaging system module, main control board and the display module for showing graphic images that thermal imaging system module detected and electric circuit inspection data.Thermal imaging system module and display module are electrically connected with main control board, i.e., the view data and detection data that thermal imaging system module obtains are handled by main control board to be analyzed, and is finally shown in display module.Due to faulty circuit often because short circuit and caused by local pyrexia phenomenon, and the Infrared Thermogram of circuit heating region can be presented in by thermal imaging system body assembly in display module, user can accurately judge trouble point position according to color is imaged in display module.Digital multimeter is recycled to be detected trouble point position, the test result of acquisition is again shown in display module.The data message of faulty circuit can be accurately and quickly obtained, greatly reduces investigation time, detection efficiency higher.
Description
Technical field
Electronic instrument technology field is the utility model is related to, a kind of digital multimeter is especially provided.
Background technology
Digital multimeter is common electronic instrument in electric measurement, and major function is that voltage, resistance and electric current are carried out
Measurement.Traditional digital multimeter can not prejudge the trouble point in circuit, it is necessary to be investigated one by one to each measurement point,
It is then desired to take considerable time, detection efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of digital multimeter, it is intended to solves digital multimeter in the prior art and exists
The low technical problem of detection efficiency caused by need to being taken considerable time when detecting faulty circuit.
To achieve the above object, the technical solution adopted in the utility model is：A kind of digital multimeter, including cover group
Part, rear shell component, thermal imaging system module, main control board and the graphic images detected for showing the thermal imaging system module
With the display module of electric circuit inspection data, the thermal imaging system module and the display module electrically connect with the main control board
Connect, the cover component is interlocked to form accommodating space with the rear shell component, and the main control board is arranged on the accommodating sky
In, the display module is installed on the cover component, and the thermal imaging system module is installed on the rear shell component.
Specifically, the cover component includes the first housing, and the main control board is installed in the first shell body, institute
State and display open slot is offered on the first housing, the display module includes fixed frame and liquid crystal display, the liquid crystal
Display screen is installed at the display open slot by the fixed frame, and the liquid crystal display electrically connects with the main control board
Connect.
Further, the cover component further includes button assembly and knob assembly, is offered on first housing
Key opening groove, the button assembly is installed at the key opening groove and is electrically connected with the main control board, described
First housing is recessed to form knob mounting groove towards the main control board, and the knob assembly is installed in the knob mounting groove
It is interior and with the main control board be electrically connected.
Specifically, the button assembly includes keypad and button pcb board, and the keypad is installed to be opened in the button
At mouth groove, the button pcb board is resisted against the keypad and between the keypad and the main control board, described
Button pcb board is electrically connected with the main control board.
Specifically, the knob assembly includes knob part and turntable in the form of annular discs, and the knob part is arranged on the rotation
It is rotated about axis in button mounting groove and in the knob mounting groove, the turntable is installed in first housing and the master control
It is electrically connected between circuit board and with the main control board, the turntable is connected to the knob part by shaft.
Specifically, the rear shell component includes the second housing, and image perforate, the thermal imagery are offered on second housing
Instrument module includes thermal imaging system main body and assembled base, and the thermal imaging system main body is installed on second housing by the assembled base
On, the camera lens of the thermal imaging system main body is corresponding with the image perforate.
Further, shell component further includes bracket component after described, the bracket component include supporting plate, locating piece and
Pressing plate, the supporting plate are equipped with pivot joint block, and pivot connected slot is offered on second housing, and the pivot joint block pivot joint rotates in institute
State on the madial wall of pivot connected slot, the platen cover is arranged at the notch of the pivot connected slot, and the locating piece is arranged on the pivot connected slot
It is interior and between the pressing plate and the pivot joint block.
Further, the digital multimeter further includes battery component, and the battery component is arranged in the second shell body
And it is electrically connected with the main control board.
Further, the main control board is equipped with the bluetooth module that wireless data transmission is realized with exterior terminal.
Further, the digital multimeter further includes the safe pcb board for preventing the main control board overload, institute
Safe pcb board is stated to be electrically connected with the main control board.
The beneficial effects of the utility model：The general digital table of the offer of the utility model, including cover component, rear shell group
Part, thermal imaging system module, main control board and display module.Due to faulty circuit often because short circuit and caused by local pyrexia show
As, and the Infrared Thermogram of circuit heating region can be presented in by thermal imaging system body assembly in display module, user Ke Gen
Trouble point position is accurately judged according to color is imaged in display module, for example, the temperature in failure site is higher than its region, then should
The color that region shows in display module is often relatively bright.Recycle digital multimeter to be detected trouble point position, obtain
The test result obtained is again shown in display module.Therefore, the general digital table that the utility model embodiment provides, can be accurate
And the data message of faulty circuit is rapidly obtained, greatly reduce investigation time, detection efficiency higher.
Brief description of the drawings
, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the explosive view for the digital multimeter that the utility model embodiment provides；
Fig. 2 is the structure diagram for the cover component that the utility model embodiment provides；
Fig. 3 is the explosive view for the cover component that the utility model embodiment provides；
Fig. 4 is the structure diagram for the rear shell component that the utility model embodiment provides；
Fig. 5 is the explosive view for the rear shell component that the utility model embodiment provides；
Fig. 6 is the enlarged drawing at A in Fig. 5；
Fig. 7 is the enlarged drawing at B in Fig. 5.
Wherein, each reference numeral in figure：
1-cover component, 2-rear shell component, 3-thermal imaging system module, 4-main control board, 5-display module, 11-
First housing, 111-display open slot, 51-fixed frame, 52-liquid crystal display, 12-button assembly, 13-knob assembly,
112-key opening groove, 113-knob mounting groove, 121-keypad, 122-button pcb board, 131-knob part, 132-
Turntable, the 21-the second housing, the perforate of 211-image, 31-thermal imaging system main body, 32-assembled base, 22-bracket component, 221-
Supporting plate, 222-locating piece, 223-pressing plate, 2211-pivot joint block, 2212-driving rod, 212-pivot connected slot, 2121-installation
Screens, 6-battery component, 61-battery main body, 62-battery cover, 7-safe pcb board.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of and describe the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Please refer to Fig.1 and Fig. 2, the general digital table that the utility model embodiment provides include cover component 1, rear shell component
2nd, thermal imaging system module 3, main control board 4 and for showing graphic images and electric circuit inspection that thermal imaging system module 3 detected
The display module 5 of data.Thermal imaging system module 3 and display module 5 are electrically connected with main control board 4, i.e., thermal imaging system module 3 obtains
The view data and detection data obtained is handled by main control board 4 to be analyzed, and is finally shown in display module 5.Cover
Component 1 and rear shell component 2 are interlocked to form accommodating space, and main control board 4 is arranged in accommodating space, display module 5 install in
On cover component 1, thermal imaging system module 3 is installed on rear shell component 2.
The utility model embodiment provide general digital table include cover component 1, rear shell component 2, thermal imaging system module 3,
Main control board 4 and display module 5.Due to faulty circuit often because short circuit and caused by local pyrexia phenomenon, and pass through heat
As the Infrared Thermogram of circuit heating region can be presented in display module 5 by instrument body assembly, user can be according to display module 5
Upper imaging color accurately judges trouble point position, for example, the temperature in failure site is higher than its region, then the region is being shown
The color shown on module 5 is often relatively bright.Digital multimeter is recycled to be detected trouble point position, the test knot of acquisition
Fruit is again shown in display module 5.Therefore, the general digital table that the utility model embodiment provides, can be accurately and quickly
The data message of faulty circuit is obtained, greatly reduces investigation time, detection efficiency higher.
Specifically, please refer to Fig.2 and Fig. 3, cover component 1 include the first housing 11.Main control board 4 is installed in first shell
In body 11, display open slot 111 is offered on the first housing 11, display module 5 includes fixed frame 51 and liquid crystal display 52,
Liquid crystal display 52 is installed at display open slot 111 by fixed frame 51, and liquid crystal display 52 electrically connects with main control board 4
Connect.There is the characteristic of colour imaging using liquid crystal display 52, the thermal imaging of test point position and other point positions is distinguished.
Specifically, please refer to Fig.2 and Fig. 3, cover component 1 further include button assembly 12 and knob assembly 13.First shell
Key opening groove 112 is offered on body 11, button assembly 12 is installed at key opening groove 112 and electrical with main control board 4
Connection, the first housing 11 form knob mounting groove 113 towards the depression of main control board 4, and knob assembly 13 is installed to be installed in knob
It is electrically connected in groove 113 and with main control board 4.By regulation button component 12 and knob assembly 13, digital multimeter is improved
Accuracy of detection and expand digital multimeter detection range.
Specifically, please refer to Fig.2 and Fig. 3, button assembly 12 include keypad 121 and button pcb board 122.Keypad
121 install at key opening groove 112, and button pcb board 122 is resisted against keypad 121 and is located at keypad 121 and governor circuit
Between plate 4, button pcb board 122 is electrically connected with main control board 4.During the finger pressing keys plate 121 of user, keypad 121
On button pressed to button pcb board 122 so that the circuit turn-on of button pcb board 122, and command information is fed back into master
Circuit board 4 is controlled, is judged by main control board 4.
Specifically go, please refer to Fig.2 and Fig. 3, knob assembly 13 include knob part 131 and turntable 132 in the form of annular discs,
Knob part 131 is arranged in knob mounting groove 113 and is rotated about axis in knob mounting groove 113, and turntable 132 is installed in first shell
It is electrically connected between body 11 and main control board 4 and with main control board 4, turntable 132 is connected to knob part 131 by shaft,
I.e. turntable 132 can be rotated about axis with knob part 131, in this way, can change different gears by turn knob part 131, with right
Answer different detection objects.
Specifically, please refer to Fig.4 and Fig. 5, rear shell component 2 include the second housing 21, image offered on the second housing 21
Perforate 211, thermal imaging system module 3 include thermal imaging system main body 31 and assembled base 32, and thermal imaging system main body 31 is installed by assembled base 32
In on the second housing 21, the camera lens of thermal imaging system main body 31 is corresponding with image perforate 211.I.e. thermal imaging system main body 31 towards detection pair
As, and liquid crystal display 52, so as to the graphic images of real-time monitored detection object, is quickly and accurately positioned event towards user
Barrier point position.
Specifically, please refer to Fig.4 to Fig. 7, rear shell component 2 further includes bracket component 22, and bracket component 22 includes supporting plate
221st, locating piece 222 and pressing plate 223, supporting plate 221 are equipped with pivot joint block 2211, are equipped with the opposite both sides of pivot joint block 2211
Driving rod 2212, pivot connected slot 212 is offered on the second housing 21, screens 2121, pivot are installed on the opposite two side of pivot connected slot 212
Two driving rods 2212 pivot joint for connecing block 2211 is rotated in the corresponding installation screens 2121 of pivot connected slot 212, in this way, supporting plate 221
Pivot joint block 2211 can be around in open with respect to the second housing 21 so that digital multimeter is erected on workbench, to make thermal imaging system
Main body 31 obtains more preferable detection angles, meanwhile, the both hands of user are liberated, work is detected easy to user.Meanwhile pressing plate
223 are covered at the notch of pivot connected slot 212, prevent pivot joint block 2211 from deviating from from pivot connected slot 212.Locating piece 222 is arranged on pivot joint
In groove, also, locating piece 222 is between pressing plate 223 and pivot joint block 2211, and then avoids pivot joint block 2211 in rotation process
Generation off normal.
Further, Fig. 5 is refer to, digital multimeter further includes battery component 6, and battery component 6 is arranged on the second housing 21
It is interior and be electrically connected with main control board 4.Specifically, battery component 6 includes battery main body 61 and battery cover 62, in second shell
Body 21 is recessed inwardly to form battery settling groove (not shown) away from the side of main control board 4, and battery main body 61 is installed on
In battery settling groove, also, battery cover 62 is covered at the notch of battery settling groove.
Further, in the present embodiment, main control board 4 is equipped with bluetooth module (not shown).Main control board 4
By bluetooth module 7 by testing number according to this and view data is transmitted to exterior terminal, in this way, being easy to user's remote monitoring.For example,
User can check testing result by terminal devices such as mobile phones.
Further, please refer to Fig.3, digital multimeter further includes safe pcb board 7, safe pcb board 7 and main control board 4
It is electrically connected.The effect of safe pcb board 7 is to prevent main control board 4 from overloading.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. digital multimeter, it is characterised in that：Including cover component, rear shell component, thermal imaging system module, main control board with And for showing the display module of graphic images that the thermal imaging system module detected and electric circuit inspection data, the thermal imaging system Module and the display module are electrically connected with the main control board, and the cover component is interlocked with the rear shell component Accommodating space is formed, the main control board is arranged in the accommodating space, and the display module is installed in the cover component On, the thermal imaging system module is installed on the rear shell component.
- 2. digital multimeter according to claim 1, it is characterised in that：The cover component includes the first housing, described Main control board is installed in the first shell body, offering display open slot, the display module bag on first housing Fixed frame and liquid crystal display are included, the liquid crystal display is installed at the display open slot by the fixed frame, institute Liquid crystal display is stated to be electrically connected with the main control board.
- 3. digital multimeter according to claim 2, it is characterised in that：The cover component further include button assembly and Knob assembly, offers key opening groove on first housing, the button assembly install at the key opening groove and It is electrically connected with the main control board, first housing is recessed to form knob mounting groove towards the main control board, institute State knob assembly install in the knob mounting groove and with the main control board be electrically connected.
- 4. digital multimeter according to claim 3, it is characterised in that：The button assembly includes keypad and button Pcb board, the keypad are installed at the key opening groove, and the button pcb board is resisted against the keypad and is located at institute State between keypad and the main control board, the button pcb board is electrically connected with the main control board.
- 5. digital multimeter according to claim 3, it is characterised in that：The knob assembly includes knob in the form of annular discs Part and turntable, the knob part is arranged in the knob mounting groove and is rotated about axis in the knob mounting groove, described Turntable is installed between first housing and the main control board and is electrically connected with the main control board, the turntable The knob part is connected to by shaft.
- 6. digital multimeter according to any one of claims 1 to 5, it is characterised in that：Shell component includes second after described Housing, offers image perforate on second housing, the thermal imaging system module includes thermal imaging system main body and assembled base, described Thermal imaging system main body is installed on second housing by the assembled base, and camera lens and the image of the thermal imaging system main body are opened Hole is corresponding.
- 7. digital multimeter according to claim 6, it is characterised in that：Shell component further includes bracket component after described, institute Stating bracket component includes supporting plate, locating piece and pressing plate, and the supporting plate is equipped with pivot joint block, is opened up on second housing There is pivot connected slot, the pivot joint block pivot joint is rotated on the madial wall of the pivot connected slot, and the platen cover is arranged on the pivot connected slot At notch, the locating piece is arranged in the pivot connected slot and between the pressing plate and the pivot joint block.
- 8. digital multimeter according to claim 6, it is characterised in that：The digital multimeter further includes battery component, The battery component is arranged in the second shell body and is electrically connected with the main control board.
- 9. digital multimeter according to any one of claims 1 to 5, it is characterised in that：The main control board is equipped with The bluetooth module of wireless data transmission is realized with exterior terminal.
- 10. digital multimeter according to claim 9, it is characterised in that：The digital multimeter is further included for preventing The safe pcb board of the main control board overload, the safe pcb board are electrically connected with the main control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993567.2U CN207232233U (en) | 2017-08-09 | 2017-08-09 | digital multimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993567.2U CN207232233U (en) | 2017-08-09 | 2017-08-09 | digital multimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232233U true CN207232233U (en) | 2018-04-13 |
Family
ID=61856844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993567.2U Active CN207232233U (en) | 2017-08-09 | 2017-08-09 | digital multimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207232233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218509A (en) * | 2021-04-28 | 2021-08-06 | 三峡大学 | Hand-held electrical instrument |
-
2017
- 2017-08-09 CN CN201720993567.2U patent/CN207232233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218509A (en) * | 2021-04-28 | 2021-08-06 | 三峡大学 | Hand-held electrical instrument |
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