CN205693547U - A kind of dust-proof power module - Google Patents
A kind of dust-proof power module Download PDFInfo
- Publication number
- CN205693547U CN205693547U CN201620537135.6U CN201620537135U CN205693547U CN 205693547 U CN205693547 U CN 205693547U CN 201620537135 U CN201620537135 U CN 201620537135U CN 205693547 U CN205693547 U CN 205693547U
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- power module
- temperature
- humidity
- module
- dust
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Abstract
A kind of dust-proof power module, including power module housing and fan, the both sides of described power module housing are respectively arranged with ventilation bayonet socket, it is respectively clamped into anti-dust filter mesh at described ventilation bayonet socket, described fan is fixedly installed on one anti-dust filter mesh and is positioned at power module housing, being additionally provided with temperature detecting module in described power module housing, described temperature detecting module is used for detecting the temperature of power module enclosure interior, the output temperature signal when temperature is higher than a preset temperature；Drive module, be coupled to temperature detecting module, control described fan in response to described temperature signal and obtain electric work；The feeder ear of described fan, temperature detecting module and driving module is parallel to described power module and accesses the power input end of described power module, to play the effect of power and energy saving.
Description
Technical field
This utility model relates to modular power source field, particularly to a kind of dust-proof power module.
Background technology
Power module is can be characterized in can being special directly against the power supply unit being contained on printed circuit board (PCB) (PCB)
With integrated circuit (ASIC), digital signal processor (DSP), microprocessor, memorizer, field programmable gate array (FPGA)
And other numerals or fictitious load provide power supply.In general, this generic module be referred to as POL (POL) power system or
Use point source supply system (PUPS).Owing to the advantage of modular organization is a lot of, therefore modular power source is widely used in exchange and sets
Standby, access device, mobile communication, microwave communication and the communications field such as optical transport, router and automotive electronics, Aero-Space
Deng.
Disclosing a kind of dust-proof power module in Publication No. CN104467366A, it includes power module matrix, sealing
Housing and negative pressure fan, by being respectively provided with air inlet bayonet socket in the both sides of power module, be respectively clamped into anti-at described air inlet bayonet socket
Dirt drainage screen, thus play and also there is while cooling dust-proof effect, but or low-power work standby in electrical equipment
When making, produced by power module, heat is less, and now fan is also in normally open, so will waste electric energy.
Utility model content
The purpose of this utility model is to provide a kind of dust-proof power module, also has energy-conservation while having dust-proof temp-lowering
Effect.
Above-mentioned purpose of the present utility model has the technical scheme that
A kind of dust-proof power module, including power module housing and fan, the both sides of described power module housing set respectively
Being equipped with ventilation bayonet socket, be respectively clamped into anti-dust filter mesh at described ventilation bayonet socket, described fan is fixedly installed on one dustproof filter
Net and be positioned at power module housing, is additionally provided with in described power module housing
Temperature detecting module, described temperature detecting module is for detecting the temperature of power module enclosure interior, when temperature is high
Output temperature signal when a preset temperature；
Drive module, be coupled to temperature detecting module, control described fan in response to described temperature signal and obtain electric work；
The feeder ear of described fan, temperature detecting module and driving module is parallel to described power module and accesses described
The power input end of power module.
By using technique scheme, by temperature detecting module, the temperature in power shell is detected, work as temperature
When degree is higher than a preset temperature, represent that power module internal temperature is too high, need cooling, anti-owing to being provided with on this power module
Dirt drainage screen, the setting of this anti-dust filter mesh makes the ventilation effect of power module more preferably, so typically normally making in electrical equipment
Used time, fan need not be opened and also be able to ensure that temperature power module within is normal, the temperature detecting module therefore arranged with drive
Dynamic model block, this driving module is used for controlling fan work, when power load is excessive, to the needs of power module higher time, logical
Module drive of overdriving fan work, makes the distinguished and admirable speed within power module increase, and cooling-down effect is more preferable, due to fan and power supply
Module does not has the relatedness of electricity consumption, fan and the power module all can be with independent operating each other, so fan has been separately provided one
Power supply.
As improvement of the present utility model, described temperature detecting module includes
Temperature sampling unit, for the temperature of detection power module in real time, and output temperature sampled voltage；
Temperature gate judging unit, is coupled to temperature sampling unit, when temperature sampling voltage is less than a predeterminated voltage,
Described temperature gate judging unit output temperature signal.
By using technique scheme, temperature sampling unit is for detection temperature within power module in real time and defeated
Going out temperature sampling voltage, temperature gate judging unit carries a preset value, and when higher than this preset value, input is judged to height
Level, when less than this preset value, input is judged to low level, utilizes this characteristic of temperature gate judging unit, works as temperature
When degree is less than this preset value, temperature gate judging unit output temperature signal.
As improvement of the present utility model, described temperature sampling unit includes being sequentially connected in series between power input end and ground
The node output temperature that sampling resistor and positive temperature coefficient thermo-sensitive resistor, described sampling resistor and positive temperature coefficient thermo-sensitive resistor couple is adopted
Sample voltage, described temperature gate judging unit is set to not circuit.
By using technique scheme, temperature sampling unit includes that be sequentially connected in series between circuit input end and ground adopts
Sample resistance and positive temperature coefficient thermo-sensitive resistor, change owing to thermo-sensitive resistor has variation with temperature, and its advantage has:
To temperature sensitive, thermal inertia is little, life-span length, volume are little and simple in construction, is compared to temperature sensor and is greatly saved into
This, positive temperature coefficient thermo-sensitive resistor has the advantages that to be gradually increased with its resistance of rising of temperature, so sampling resistor and temperature electricity
The voltage of the node that resistance couples utilizes the voltage divider principle of resistance, makes the point voltage of this node be gradually reduced, when less than certain value,
The input of not gate is judged to low level, then output is judged to high level (temperature signal).
As improvement of the present utility model, in described power module housing, it is additionally provided with humidity detecting module, described humidity
Detection module is for detecting the interior humidity of power module housing, and when humidity is more than a preset value, output moisture signal, described
Module is driven to drive described fan to obtain electric work in response to described driving signal.
By using technique scheme, owing to power module is influenced by humidity the biggest, so in power supply etc.
Same is provided with a humidity detecting module, is detected the moisture signal within power module by humidity detecting module, when
When humidity is more than a preset value, this humidity detecting module output moisture signal, fan operationally has certain dehumidification function,
So now driving this fan work of module drive to dehumidify.
As improvement of the present utility model, described humidity detecting module includes
Humidity sampling unit, for the humidity of detection power module in real time, and exports humidity sampled voltage；
Humidity gate judging unit, is coupled to humidity sampling unit, when humidity sampled voltage is less than a predeterminated voltage,
Described humidity gate judging unit output moisture signal.
By using technique scheme, humidity sampling unit is for detection humidity within power module in real time and defeated
Going out humidity sampled voltage, humidity gate judging unit carries a preset value, and when higher than this preset value, input is judged to height
Level, when less than this preset value, input is judged to low level, utilizes this characteristic of humidity gate judging unit, when wet
When degree is less than this preset value, humidity gate judging unit output moisture signal.
As improvement of the present utility model, described humidity sampling unit includes being sequentially connected in series between power input end and ground
The node output humidity that sampling resistor and positive wet coefficient humistor, described sampling resistor and positive wet coefficient humistor couple is adopted
Sample voltage, described humidity gate judging unit is set to not circuit.
By using technique scheme, humidity sampling unit includes that be sequentially connected in series between circuit input end and ground adopts
Sample resistance and positive wet coefficient humistor, change with the change of humidity owing to humistor has, and its advantage has:
To humidity sensitive, thermal inertia is little, life-span length, volume are little and simple in construction, is compared to humidity sensor and is greatly saved into
This, positive wet coefficient humistor has the advantages that to be gradually increased with its resistance of rising of humidity, so sampling resistor and humidity electricity
The voltage of the node that resistance couples utilizes the voltage divider principle of resistance, makes the point voltage of this node be gradually reduced, when less than certain value,
The input of not gate is judged to low level, then output is judged to high level (moisture signal).
As improvement of the present utility model, described driving module is multi input OR circuit, described multi input OR circuit
Input at least two and be respectively coupled to described temperature detecting module and humidity detecting module.
By using technique scheme, described driving module is multi input OR circuit, and this multi input OR circuit is extremely
Rare two inputs, are respectively coupled to temperature detecting module and humidity detecting module, owing to the characteristic of OR circuit has any
When one input is high level, output high level with drive fan obtain electric work, multi input OR circuit have more other draw
Foot gives over to standby.
As improvement of the present utility model, described ventilation bayonet socket is set to side and extends to power module hull outside and put down
The draw-in groove that row is arranged, described dustproof filter arranges the fixture block suitable with described draw-in groove on the net.
By using technique scheme, ventilation bayonet socket is set to side and extends to power module hull outside and parallel set
The draw-in groove put, and dustproof filter is provided with the fixture block suitable with draw-in groove on the net, by coordinating of fixture block and draw-in groove, makes dust-proof mistake
Filter screen can enter in draw-in groove in sliding.
As improvement of the present utility model, described fixture block is provided with sealant towards the end face of draw-in groove.
By using technique scheme, fixture block arranges sealant towards the end face of draw-in groove, when making fixture block sliding enter draw-in groove,
Make fixture block more seal with draw-in groove, prevent extraneous dust from entering in power module from gap.
As improvement of the present utility model, described anti-dust filter mesh is provided with one towards the end face in outside and fixes buckle, institute
State power module housing and be provided with the fixed card being clasped with described and being connected with described housing into rotation.
By using technique scheme, in order to prevent sliding from entering the anti-dust filter mesh of the bayonet socket that ventilates again from ventilation bayonet socket
It is shifted out, so being provided with to the buckle coordinated and card towards the end face in outside and the end face of power module at anti-dust filter mesh
Sheet, this card is rotationally connected with problem, convenient dismounting.
In sum, this utility model has the advantages that by temperature detecting module the temperature in power shell
Degree detects, and when temperature is higher than a preset temperature, represents that power module internal temperature is too high, needs cooling, due to this electricity
Being provided with anti-dust filter mesh on source module, the setting of this anti-dust filter mesh makes the ventilation effect of power module more preferably, so typically
When electrical equipment normally uses, fan need not be opened and also be able to ensure that the temperature within power module is normal, therefore arrange
Temperature detecting module and driving module, this driving module is used for controlling fan work, when power load is excessive, to power module
Needs higher time, by drive module drive fan work, make power module within distinguished and admirable speed increase, cooling-down effect is more
Good, due to fan and power module do not have the relatedness of electricity consumption, fan and power module each other all can be with independent operating, so right
Fan has been separately provided a power supply.
Accompanying drawing explanation
Fig. 1 is a kind of dust-proof power module structure schematic diagram；
Fig. 2 is the A portion enlarged drawing of Fig. 1；
Fig. 3 is a kind of dust-proof power module cross-sectional view；
Fig. 4 is a kind of dust-proof power module connection circuit figure.
In figure, 1, power module housing；2, ventilation bayonet socket；3, anti-dust filter mesh；4, draw-in groove；5, fixture block；6, fan；7, card
Button；8, card；9, temperature sampling unit；10, humidity sampling unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Referring to figs. 1 through shown in Fig. 3, a kind of dust-proof power module, this power module includes it being by built-in pcb board and power supply
Module housing 1 forms, and the both sides of this housing are respectively arranged with ventilation bayonet socket 2, facilitates air to circulate, parallel at this ventilation bayonet socket 2
It is provided with side and extends to the draw-in groove 4 outside power module housing 1, anti-dust filter mesh 3 arranges both sides and is provided with suitable with draw-in groove 4
The fixture block 5 joined, makes fixture block 5 can cross in draw-in groove 4 is entered in sliding and draw-in groove 4 grafting, and the end face at fixture block 5 cotton thread draw-in groove 4 is provided with close
Sealing, prevents dust from entering from gap in power module housing 1, due to anti-dust filter mesh 3 can sliding in draw-in groove 4, so
In order to prevent anti-dust filter mesh 3 from deviating from chute, so the side at anti-dust filter mesh 3 and power module housing 1 is provided with buckle 7
With card 8, wherein buckle 7 is bolted to connection with anti-dust filter mesh 3, and card 8 rotates even with power module housing 1
Connect, when card 8 forwards buckle 7 position to, anti-dust filter mesh 3 can be made spacing with power module housing 1 so that it is the most solid
Fixed, play fixation, the convenient effect cleaned.
With reference to shown in Fig. 4, this dust-proof power module also includes temperature detecting module, humidity detecting module and drives mould
Block, wherein, temperature detecting module is used for detecting the temperature within power module housing 1 for detecting, this temperature detecting module
Including temperature sampling unit 9 and temperature logic judgment module, this temperature detecting module includes being sequentially connected in series at circuit input end
And the sampling resistor R1 between ground and positive temperature coefficient thermo-sensitive resistor RT, temperature logic judgment unit is set to not circuit, due to
The feature that thermo-sensitive resistor RT has variation with temperature and changes, its advantage has:, life-span length little to temperature sensitive, thermal inertia,
Volume is little and simple in construction, is compared to temperature sensor and is greatly saved cost, positive temperature coefficient thermo-sensitive resistor RT have with
Temperature raise the feature that is gradually increased of its resistance, so the voltage of node that sampling resistor R1 and thermo-sensitive resistor RT couples utilizes
The voltage divider principle of resistance, makes the point voltage of this node be gradually reduced, and when less than certain value, the input of not gate is judged to low electricity
Flat, then output is judged to high level, represents that power module internal temperature is too high, needs cooling, owing to arranging on this power module
Having anti-dust filter mesh 3, the setting of this anti-dust filter mesh 3 makes the ventilation effect of power module more preferably, thus general in electrical equipment
When normally using, fan 6 need not be opened and also be able to ensure that the temperature within power module is normal, the temperature detection mould therefore arranged
Block and drive module, this driving module is used for controlling fan 6 and works, when power load is excessive, to the needs of power module relatively
Gao Shi, by driving module drive fan 6 to work, makes the distinguished and admirable speed within power module increase, and cooling-down effect is more preferable, due to wind
Fan 6 and power module do not have the relatedness of electricity consumption each other, and fan 6 and power module all can be with independent operatings, so single to fan 6
Solely it is provided with a power supply, plays in the case of ensureing that power module normally uses, it is possible to save electric energy, additionally, except
Temperature detecting module, the present embodiment is additionally provided with a humidity detecting module, the principle of this humidity detecting module and temperature detection mould
The principle of block is identical, utilizes the characteristic of humistor RC in humidity sampling unit 10, when humidity is more than a preset value, represents electricity
Humidity in source module is too high, and no matter whether the electronic devices and components on pcb board or not work, now drives module drive fan 6 work
Make, make power module air-dry rapidly in the way of accelerating air flowing, the service life of further protection power module, its
In, humistor RC and thermo-sensitive resistor RT are arranged on the top in this power module housing 1, to reduce humistor RC and temperature sensitive
The resistance RT impact on former pcb board circuit, this drive circuit is set to multi input or gate logic, multi input or gate logic electricity
Road has when any signal of telecommunication of input is high level, all exports high level signal, and the setting at least to of this OR circuit
Two inputs, are respectively coupled to temperature detecting module and humidity detecting module, and other input gives over to standby.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a dust-proof power module, including power module housing (1) and fan (6), the both sides of described power module housing (1)
Being respectively arranged with ventilation bayonet socket (2), described ventilation bayonet socket (2) place is respectively clamped into anti-dust filter mesh (3), and described fan (6) is fixed
It is arranged on one anti-dust filter mesh (3) and is positioned at power module housing (1), it is characterised in that: described power module housing (1)
Inside it is additionally provided with
Temperature detecting module, described temperature detecting module is used for detecting the temperature that power module housing (1) is internal, when temperature is higher than
Output temperature signal during one preset temperature；
Drive module, be coupled to temperature detecting module, control described fan (6) in response to described temperature signal and obtain electric work；
The feeder ear of described fan (6), temperature detecting module and driving module is parallel to described power module and accesses described
The power input end of power module.
The dust-proof power module of one the most according to claim 1, it is characterised in that: described temperature detecting module includes
Temperature sampling unit (9), for the temperature of detection power module in real time, and output temperature sampled voltage；
Temperature gate judging unit, is coupled to temperature sampling unit (9), when temperature sampling voltage is less than a predeterminated voltage,
Described temperature gate judging unit output temperature signal.
The dust-proof power module of one the most according to claim 2, it is characterised in that: described temperature sampling unit (9) includes
It is sequentially connected in series temperature sampling resistance and positive temperature coefficient thermo-sensitive resistor, described sampling resistor and positive temperature between power input end and ground
The node output temperature sampled voltage that coefficient thermo-sensitive resistor couples, described temperature gate judging unit is set to not circuit.
The dust-proof power module of one the most according to claim 1, it is characterised in that: in described power module housing (1) also
Being provided with humidity detecting module, described humidity detecting module is used for detecting the interior humidity of power module housing (1), works as high humidity
Exporting moisture signal when a preset value, described driving module drives described fan (6) to obtain electrician in response to described driving signal
Make.
The dust-proof power module of one the most according to claim 4, it is characterised in that: described humidity detecting module includes
Humidity sampling unit (10), for the humidity of detection power module in real time, and exports humidity sampled voltage；
Humidity gate judging unit, is coupled to humidity sampling unit (10), when humidity sampled voltage is less than a predeterminated voltage,
Described humidity gate judging unit output moisture signal.
The dust-proof power module of one the most according to claim 5, it is characterised in that: described humidity sampling unit (10) includes
It is sequentially connected in series humidity sampling resistor and positive wet coefficient humistor between power input end and ground, described sampling resistor and the wettest
The node output humidity sampled voltage that coefficient humistor couples, described humidity gate judging unit is set to not circuit.
The dust-proof power module of one the most according to claim 4, it is characterised in that: described driving module is multi input or door
Circuit, the input at least two of described multi input OR circuit and be respectively coupled to described temperature detecting module and Humidity Detection
Module.
The dust-proof power module of one the most according to claim 1, it is characterised in that: described ventilation bayonet socket (2) is set to one
Side extends to power module housing (1) outside and the draw-in groove (4) be arrangeding in parallel, and described anti-dust filter mesh (3) is upper to be arranged with described
The fixture block (5) that draw-in groove (4) is suitable.
The dust-proof power module of one the most according to claim 8, it is characterised in that: described fixture block (5) is towards draw-in groove (4)
End face is provided with sealant.
The dust-proof power module of one the most according to claim 8, it is characterised in that: described anti-dust filter mesh (3) faces out
The end face of side is provided with one and fixes buckle (7), described power module housing (1) be provided with coordinate with described buckle (7) and with institute
State the fixed card (8) that housing into rotation connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537135.6U CN205693547U (en) | 2016-06-03 | 2016-06-03 | A kind of dust-proof power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537135.6U CN205693547U (en) | 2016-06-03 | 2016-06-03 | A kind of dust-proof power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693547U true CN205693547U (en) | 2016-11-16 |
Family
ID=57260691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620537135.6U Expired - Fee Related CN205693547U (en) | 2016-06-03 | 2016-06-03 | A kind of dust-proof power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041108A (en) * | 2017-05-24 | 2017-08-11 | 北京稳固得电子有限公司 | Power module with heat sink |
-
2016
- 2016-06-03 CN CN201620537135.6U patent/CN205693547U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041108A (en) * | 2017-05-24 | 2017-08-11 | 北京稳固得电子有限公司 | Power module with heat sink |
| CN107041108B (en) * | 2017-05-24 | 2019-04-16 | 北京稳固得电子有限公司 | Power module with cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20200603 |