CN209012106U - A kind of fan test tooling - Google Patents
A kind of fan test tooling Download PDFInfo
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- CN209012106U CN209012106U CN201821558858.XU CN201821558858U CN209012106U CN 209012106 U CN209012106 U CN 209012106U CN 201821558858 U CN201821558858 U CN 201821558858U CN 209012106 U CN209012106 U CN 209012106U
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- tachymeter
- electrically connected
- meter
- mainboard
- power supply
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Abstract
The utility model discloses a kind of fan test toolings, are related to fan test technical field.The utility model includes control panel, mainboard, power supply, tachymeter and dB meter, one surface of control panel is connect with mainboard, control panel is provided with display and several switches and knob, mainboard includes that chip occurs for PWM, mainboard is electrically connected with tachymeter and dB meter respectively, several switches are electrically connected with power supply, mainboard, tachymeter and dB meter respectively with knob, and display, mainboard, tachymeter and dB meter are electrically connected with the power supply.The utility model by the mutual cooperation of PWM generating device, dB meter and tachymeter, can quickly check blower whether failure, while blower rotation speed change and noise level under different duty can be tested, convenient for the verifying of refrigeration performance, improve aerator supervision efficiency.
Description
Technical field
The utility model belongs to fan test technical field, more particularly to a kind of fan test tooling.
Background technique
Laboratory test refrigerator unit noise and air quantity, when checking fan trouble, (blower does not turn, noise is too big, air quantity
Refrigeration demand is not achieved), complete machine energization is generally required, tests each circuit on-off situation and control drive circuit using multimeter
Quality；Or remove blower, laboratory, which is built, tests circuit under 220v voltage, while control the special of program being cooperated to set
It sets；So that Test Engineer's heavy workload, testing efficiency are lower.
Utility model content
The purpose of this utility model is to provide a kind of fan test toolings, by PWM generating device, dB meter and test the speed
The mutual cooperation of instrument, can quickly check blower whether failure, while can test under different duty blower rotation speed change with
Noise level improves aerator supervision efficiency convenient for the verifying of refrigeration performance.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of fan test tooling, including casing, control panel, cover board, power supply, tachymeter, decibel
Meter and mainboard, one surface of casing are connect with control panel, and one surface of control panel is connect with mainboard, the mainboard packet
It includes PWM and chip occurs, the cover board is " Z " template, and the casing and cover board, which cooperate, forms cabinet and storage cabin, the machine
Baffle is provided in shell, the baffle and casing complement each other to form power slot, power supply, the gear are equipped in the power slot
One surface of plate is connect by gag lever post group with casing, and the gag lever post group includes the first gag lever post and the second gag lever post, and described the
Tachymeter is installed on one gag lever post, dB meter is installed on second gag lever post, the tachymeter and dB meter are fixed
In cabinet, partition is provided in the storage cabin, the partition will store cabin and be divided into power supply output cabin and monitoring cabin.
Preferably, the control panel includes display, power switch, tachymeter switch, dB meter switch, PWM frequency
Adjusting knob and PWM duty cycle adjusting knob, the power supply and power switch are electrically connected, and the power supply electrically connects with mainboard
It connecing, the mainboard is electrically connected with tachymeter and dB meter respectively, and the tachymeter switch is electrically connected with tachymeter, and described point
Shellfish meter switch is electrically connected with dB meter, and the PWM frequency adjusting knob and PWM duty cycle adjusting knob electrically connect with mainboard
It connects；
Wherein, the display be liquid crystal display, the model of the liquid crystal display include TN or HTN or STN or
FSTN。
Preferably, the model SG3525 of chip occurs for the PWM.
Preferably, the model SZS-1 type stroboscope of the tachymeter.
Preferably, the model TES1350A of the dB meter.
Preferably, the test fixture further includes testing jig, and the testing jig includes pedestal, gimbals and locating rack,
The pedestal is connect by gimbals with locating rack, and the locating rack is connected with holes probe and decibel probe respectively, described
Holes probe and tachymeter are electrically connected, and the decibel probe is electrically connected with dB meter.
Preferably, the power supply is poly-lithium battery, including the port 5V and the port 12V.
The utility model has the following beneficial effects:
1, the utility model passes through the mutual cooperation of PWM generating device, dB meter and tachymeter, can quickly check blower
Whether failure, while blower rotation speed change and noise level under different duty can be tested and mentioned convenient for the verifying of refrigeration performance
High aerator supervision efficiency.
2, the utility model small volume, lightweight are convenient for carrying.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of fan test tool structure schematic diagram；
Fig. 2 is a kind of fan test tooling front view；
Fig. 3 is a kind of fan test tooling rearview；
Fig. 4 is a kind of fan test tooling structure schematic diagram without cover board；
Fig. 5 is a kind of fan test tooling rearview without cover board；
Fig. 6 is a kind of fan test tooling structure schematic diagram without fixed plate；
Fig. 7 is a kind of fan test tooling rearview without fixed plate；
Fig. 8 is A-A the schematic diagram of the section structure in Fig. 7；
Fig. 9 is testing jig structural schematic diagram；
Figure 10 is a kind of electrical component annexation figure of fan test tooling.
In attached drawing, parts list represented by the reference numerals are as follows:
1- casing, 2- control panel, 3- cover board, 4- power supply, 5- baffle, 6- partition, 7- tachymeter, 8- dB meter, 9- are solid
Fixed board, 10- gag lever post group, 11- mainboard, 12- testing jig, 201- display, 202- power switch, 203- tachymeter switch,
204- dB meter switch, 205-PWM frequency adjusting knob, 206-PWM duty cycle adjustment knob, the first gag lever post of 1001-,
The second gag lever post of 1002-, 1201- pedestal, 1202- gimbals, 1203- locating rack.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " aperture ", "upper", "lower", "outside", " in ",
Indicating positions or the positional relationship such as "inner", " surrounding ", are merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified component or element must have a particular orientation, is constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.
Embodiment one:
It please refers to shown in Fig. 1-8, the utility model is a kind of fan test tooling, including casing 1, control panel 2, cover board
3, power supply 4, tachymeter 7, dB meter 8 and mainboard 11,1 one surface of casing are connect with control panel 2,2 one surface of control panel with
Mainboard 11 connects, and including PWM chip occurs for mainboard 11, and cover board 3 is " Z " template, and casing 1 and cover board 3, which cooperate, forms cabinet
With storage cabin, baffle 5 is provided in casing 1, baffle 5 and casing 1 complement each other to form power slot, be equipped with power supply in power slot
4,5 one surface of baffle is connect by gag lever post group 10 with casing 1, and gag lever post group 10 includes the first gag lever post 1001 and the second limit
Bar 1002 is equipped with tachymeter 7 on first gag lever post 1001, is equipped with dB meter 8 on the second gag lever post 1002, tachymeter 7 with
DB meter 8 is each attached in cabinet, is stored and is provided with partition 6 in cabin, and partition 6 will store cabin and be divided into power supply output cabin and monitoring
Cabin.
As shown in Figs. 1-2, control panel 2 includes display 201, power switch 202, tachymeter switch 203, dB meter
Switch 204, PWM frequency adjusting knob 205 and PWM duty cycle adjusting knob 206.
As shown in figure 9, test fixture further includes testing jig 12, testing jig includes pedestal 1201, gimbals 1202 and determines
Position frame 1203, pedestal 1201 are connect by gimbals 1202 with locating rack 1203, locating rack 1023 respectively with holes probe and
Decibel probe connection.
As shown in Figure 10, power supply 4 and power switch 202 are electrically connected, and power supply 4 and mainboard 11 are electrically connected, and mainboard 11 divides
It is not electrically connected with tachymeter 7 and dB meter 8, tachymeter switch 203 and tachymeter 7 are electrically connected, and dB meter switch 204 and are divided
Shellfish meter 8 is electrically connected, and PWM frequency adjusting knob 205 and PWM duty cycle adjusting knob 206 are electrically connected with mainboard 11, is surveyed
Speed probe is electrically connected with tachymeter 7, and decibel probe is electrically connected with dB meter 8.
Further, display 201 be liquid crystal display, the model of liquid crystal display include TN or HTN or STN or
FSTN。
Further, the model SG3525 of chip occurs for PWM.
Further, the model SZS-1 type stroboscope of tachymeter 7.
Further, the model TES1350A of dB meter 8.
Further, power supply 4 is poly-lithium battery, including the port 5V and the port 12V.
Embodiment two:
The utility model is a kind of fan test tooling, operation principle and using method are as follows: when needing to test blower,
First the power output end of blower and test fixture is electrically connected, it is before blower that testing jig 12 is fixed later, it is then electrified to, leads to
It crosses PWM frequency adjusting knob 205 to adjust the rated frequency of PWM generation chip output blower and immobilize, then passes through PWM duty
Than the duty ratio that adjusting knob 206 adjusts PWM waveform, in the rated power of blower, measured by tachymeter 7 and dB meter 8
Blower flabellum revolving speed and fan noise size under different duty, and numerical value is shown by display 201, pass through blower
The real data of flabellum revolving speed and fan noise size is compared with gross data, judges whether blower works normally, and reaches test
The purpose of blower.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (8)
1. a kind of fan test tooling, including casing (1), control panel (2), cover board (3), power supply (4), tachymeter (7), decibel
Count (8) and mainboard (11), it is characterised in that: (1) one surface of casing is connect with control panel (2), the control panel (2)
One surface is connect with mainboard (11), and the mainboard (11) includes that chip occurs for PWM, and the cover board (3) is " Z " template, the machine
Shell (1) and cover board (3), which cooperate, forms cabinet and storage cabin, is provided with baffle (5) in the casing (1), the baffle (5)
Power slot is complemented each other to form with casing (1), is equipped in the power slot power supply (4), (5) one surface of baffle passes through limit
Position bar group (10) is connect with casing (1), and the gag lever post group (10) includes the first gag lever post (1001) and the second gag lever post
(1002), it is equipped with tachymeter (7) on first gag lever post (1001), decibel is installed on second gag lever post (1002)
Count (8), the tachymeter (7) and dB meter (8) are each attached in cabinet, are provided with partition (6) in the storage cabin, it is described every
Plate (6) will store cabin and be divided into power supply output cabin and monitoring cabin.
2. a kind of fan test tooling according to claim 1, which is characterized in that the control panel (2) includes display
Device (201), power switch (202), tachymeter switch (203), dB meter switch (204), PWM frequency adjusting knob (205) and
PWM duty cycle adjusting knob (206), the power supply (4) and power switch (202) are electrically connected, the power supply (4) and mainboard
(11) it is electrically connected, the mainboard (11) is electrically connected with tachymeter (7) and dB meter (8) respectively, the tachymeter switch
(203) it is electrically connected with tachymeter (7), the dB meter switch (204) and dB meter (8) is electrically connected, the PWM frequency tune
Knob (205) and PWM duty cycle adjusting knob (206) is saved to be electrically connected with mainboard (11)；
Wherein, the display (201) be liquid crystal display, the model of the liquid crystal display include TN or HTN or STN or
FSTN。
3. a kind of fan test tooling according to claim 1, which is characterized in that the model of chip occurs for the PWM
SG3525。
4. a kind of fan test tooling according to claim 1, which is characterized in that the model of the tachymeter (7)
SZS-1 type stroboscope.
5. a kind of fan test tooling according to claim 1, which is characterized in that the model of the dB meter (8)
TES1350A。
6. a kind of fan test tooling according to claim 1, which is characterized in that the test fixture further includes testing jig
(12), the testing jig includes pedestal (1201), gimbals (1202) and locating rack (1203), and the pedestal (1201) passes through
Gimbals (1202) are connect with locating rack (1203), and the locating rack (1203) connects with holes probe and decibel probe respectively
It connects, the holes probe and tachymeter (7) are electrically connected, and the decibel probe is electrically connected with dB meter (8).
7. a kind of fan test tooling according to claim 1, which is characterized in that be provided with MCU on the mainboard (11)
Chip is controlled, the MCU control chip and pwm chip are electrically connected, and the MCU control chip and dB meter (8) are electrically
Connection, the MCU control chip and tachymeter (7) are electrically connected, and the MCU control chip and display (201) are electrically connected.
8. a kind of fan test tooling according to claim 1, which is characterized in that the power supply (4) is polymer lithium electricity
Pond, including the port 5V and the port 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558858.XU CN209012106U (en) | 2018-09-25 | 2018-09-25 | A kind of fan test tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558858.XU CN209012106U (en) | 2018-09-25 | 2018-09-25 | A kind of fan test tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012106U true CN209012106U (en) | 2019-06-21 |
Family
ID=66833922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821558858.XU Active CN209012106U (en) | 2018-09-25 | 2018-09-25 | A kind of fan test tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026810A (en) * | 2018-09-25 | 2018-12-18 | 长虹美菱股份有限公司 | A kind of fan test tooling |
-
2018
- 2018-09-25 CN CN201821558858.XU patent/CN209012106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026810A (en) * | 2018-09-25 | 2018-12-18 | 长虹美菱股份有限公司 | A kind of fan test tooling |
| CN109026810B (en) * | 2018-09-25 | 2024-04-16 | 长虹美菱股份有限公司 | Fan test fixture |
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