CN207968344U - A kind of anti-interference inverter - Google Patents
A kind of anti-interference inverter Download PDFInfo
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- CN207968344U CN207968344U CN201820515180.0U CN201820515180U CN207968344U CN 207968344 U CN207968344 U CN 207968344U CN 201820515180 U CN201820515180 U CN 201820515180U CN 207968344 U CN207968344 U CN 207968344U
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- inverter
- shielding case
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- metal shell
- interference
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Abstract
The utility model discloses a kind of anti-interference inverters, including metal shell, inverter assembly and metal line shielding case, the side of metal shell is equipped with input port, the offside of input port is equipped with output port, inverter assembly is set to the inside of metal shell, inverter assembly is by filter, inverter bridge, single-phase transformer and relay are constituted, inverter bridge and input port are electrically connected with filter, output port and single-phase transformer are electrically connected with relay, and one end of output port connects circuit ground line, the lateral surface of inverter assembly is equipped with metal line shielding case, the covering of metal line shielding case is set on inverter assembly, and it is fixedly connected with metal shell.Have many advantages, such as that anti-interference and shield effectiveness is ideal, operation stability is high.
Description
Technical field
The utility model is related to DC-to-AC converter fields, are especially a kind of anti-interference inverter.
Background technology
Inverter is direct current energy（Battery, battery）It is transformed into alternating current（Generally 220V, 50Hz sine wave）.It
It is made of inverter bridge, control logic and filter circuit.It is widely used in air-conditioning, home theater, electric wheel, electric tool, seam
It threads machine, DVD, VCD, computer, TV, washing machine, smoke exhaust ventilator, refrigerator, video recorder, massager, fan, illumination etc..In foreign countries
Because the i.e. available inverter connection accumulator of the higher outgoing work of the popularity rate of automobile or out on tours drives electric appliance and various tools
Work.The vehicle-mounted inversion exported by cigar lighter is 20W, 40W, 80W, 120W to 150W power requirements.It is big again
Some power inverting power supplys will be connected to by connecting line on storage battery.Household electrical appliance are connected to the output end energy of power supply changeover device
Various electric appliances are used in automobile.Workable electric appliance has：Mobile phone, laptop, DV, camera, headlamp,
Electric shaver, CD machines, game machine, palm PC, electric tool, car refrigerator and it is various travel, camp, medical first aid electricity
Device etc..
It is found by retrieval, the utility model of patent No. CN206041780U discloses a kind of inverter, and structure includes：Shell
Body and cooling system；The shell includes heat producing element, air outlet, air inlet, and the main product thermal element in heat producing element is close
Air outlet, air outlet are located at shell side and cover, and for some heat producing element thermal potential in housing sidewall, some are then located at Housing Base
On；The cooling system includes radiator fan, temperature sensing device and fan size automatic regulating switch, radiator fan position
In on shell one end side cover, the another side of shell covers then that there are bar shaped ventilation openings several not of uniform size but regularly arranged；
The temperature sensing device and fan size automatic regulating switch are cascaded, and are located among shell.The inverter is preferable
It solves the heat dissipation problem of original technology, maintains the normally and efficiently stable operation of film module in inverter.
However, the analysis found that, existing anti-interference inverter has the following disadvantages；One：Anti-interference ability is paid no attention to
Think；Secondly：Operation stability waits improving；Thirdly：Shield effectiveness is undesirable.
Invention content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of anti-interference inverter herein, have it is anti-interference with
And the advantages that shield effectiveness is ideal, and operation stability is high.
The utility model is realized in this way a kind of anti-interference inverter of construction, including metal shell, inverter assembly and
The side of metal line shielding case, metal shell is equipped with input port, and the offside of input port is equipped with output port, inverter group
Part is set to the inside of metal shell, and inverter assembly is made of filter, inverter bridge, single-phase transformer and relay, inversion
Bridge and input port are electrically connected with filter, and output port and single-phase transformer are electrically connected with relay, and are exported
One end of port connects circuit ground line, and the lateral surface of inverter assembly is equipped with metal line shielding case, metal line shielding case
Covering is set on inverter assembly, and is fixedly connected with metal shell.
As an improvement of the above technical solution, the side of metal line shielding case is equipped with Shielding Case grounding line, and shielding case connects
Ground wire is fixedly connected with metal line shielding case.Multipoint earthing is formed by the Shielding Case grounding line and circuit ground line of setting,
On the one hand make metal line Shielding Case grounding, form electrostatic sheild condition, on the other hand keep current potential in high frequency consistent, effectively add
The strong anti-interference ability of inverter.
As an improvement of the above technical solution, the adjacent side of input port is equipped with heat radiation module, heat radiation module by heat emission fan and
Metal grill cover is constituted, and metal grill cover covers the lateral surface for being set to heat emission fan, and is bolted company with metal shell
It connects.Active heat removal is carried out by the heat radiation module of setting, maintains the normally and efficiently stable operation of inverter assembly.
As an improvement of the above technical solution, the side of metal shell is equipped with several thermovents in " one " word arrangement, dissipates
Hot mouth is connected to metal shell.Coordinate heat radiation module to enhance heat dissipation performance by the thermovent of setting, further increases inverter
Operation stability.
The utility model provides a kind of anti-interference inverter herein by improving, compared with existing anti-interference inverter, tool
It has the following advantages：Have many advantages, such as that anti-interference and shield effectiveness is ideal, operation stability is high, is embodied as：
Advantage 1：The side of metal line shielding case is equipped with Shielding Case grounding line, and Shielding Case grounding line is shielded with metal line
Cover is fixedly connected.Multipoint earthing is formed by the Shielding Case grounding line and circuit ground line of setting, on the one hand so that metal line
Shielding Case grounding forms electrostatic sheild condition, and on the other hand current potential is consistent in holding high frequency, effectively strengthens the anti-interference of inverter
Ability.
Advantage 2：The adjacent side of input port is equipped with heat radiation module, and heat radiation module is made of heat emission fan and metal grill cover, gold
Belong to the covering of grid cover and be set to the lateral surface of heat emission fan, and is bolted to connection with metal shell.Pass through the heat dissipation of setting
Module carries out active heat removal, maintains the normally and efficiently stable operation of inverter assembly.
Advantage 3：The side of metal shell is equipped with several thermovents in " one " word arrangement, and thermovent connects with metal shell
It is logical.Coordinate heat radiation module to enhance heat dissipation performance by the thermovent of setting, further increases invertor operation stability.
Description of the drawings
Fig. 1 is a kind of anti-interference inverter structure schematic diagram of the utility model；
Fig. 2 is a kind of circuit diagram of anti-interference inverter of the utility model.
Serial number as shown in the figure：Metal shell 1, output port 2, input port 3, heat radiation module 4, heat emission fan 5, metal grill
Cover 6, thermovent 7, metal line shielding case 8, Shielding Case grounding line 9, filter 10, inverter bridge 11, single-phase transformer 12, relay
Device 13, inverter assembly 14 and circuit ground line 15.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 2, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of labour, shall fall within the protection scope of the present invention.
The utility model provides a kind of anti-interference inverter herein by improving, as Figure 1-Figure 2, can be according to as follows
Mode is practiced；Including metal shell 1, inverter assembly 14 and metal line shielding case 8, the side of metal shell 1 is equipped with
The offside of input port 3, input port 3 is equipped with output port 2, and inverter assembly 14 is set to the inside of metal shell 1, inversion
Device assembly 14 is made of filter 10, inverter bridge 11, single-phase transformer 12 and relay 13, and inverter bridge 11 and input port 3 are equal
It being electrically connected with filter 10, output port 2 and single-phase transformer 12 are electrically connected with relay 13, and output port 2
One end connects circuit ground line 15, and the lateral surface of inverter assembly 14 is equipped with metal line shielding case 8, metal line shielding case 8
Covering is set on inverter assembly 14, and is fixedly connected with metal shell 1.
The side of anti-interference inverter described in the utility model, metal line shielding case 8 is equipped with Shielding Case grounding line 9, screen
Cover ground wire 9 is covered to be fixedly connected with metal line shielding case 8.Pass through 15 shape of Shielding Case grounding line 9 and circuit ground line of setting
At multipoint earthing, on the one hand so that metal line shielding case 8 is grounded, electrostatic sheild condition is formed, on the other hand keeps electricity in high frequency
Position is consistent, effectively strengthens the anti-interference ability of inverter.
The adjacent side of anti-interference inverter described in the utility model, input port 3 is equipped with heat radiation module 4, and heat radiation module 4 is by dissipating
Heat fan 5 and metal grill cover 6 are constituted, and metal grill cover 6 covers the lateral surface for being set to heat emission fan 5, and passes through with metal shell 1
Bolt is fixedly connected.Active heat removal is carried out by the heat radiation module 4 of setting, maintain inverter assembly 14 normally and efficiently stablizes fortune
Row.
The side of anti-interference inverter described in the utility model, metal shell 1 is equipped with several heat dissipations in " one " word arrangement
Mouth 7, thermovent 7 is connected to metal shell 1.Heat radiation module 4 is coordinated to enhance heat dissipation performance by the thermovent 7 of setting, further
Improve invertor operation stability.
A kind of operation principle of anti-interference inverter：Metal line shielding case 8, both ends point are covered on inverter assembly 14
Not Jie Ru input port 3 and output port 2, and metal line shielding case 8 amplify a Shielding Case grounding line 9 connect with circuit
Ground wire 15 forms multipoint earthing, and in inverter work, metal line shielding case 8 and metal shell 1 form double layer screen shell, according to
Electromagnetic principles are placed in inside the hollow conductor in electrostatic field without electric field line, interior point equipotential, with conductions such as copper or aluminium
Property good metal be material, make metal line shielding case 8, and connect with Shielding Case grounding line 9, make external disturbance electric field not
14 internal circuit of inverter assembly is influenced, Shielding Case grounding line 9 and circuit ground line 15 are formed by multipoint earthing, on the one hand make
It obtains metal line shielding case 8 to be grounded, forms electrostatic sheild condition, on the other hand current potential is consistent in holding high frequency, effectively strengthens inverse
Become the anti-interference ability of device, heat radiation module 4 is made of heat emission fan 5 and metal grill cover 6, and the side of complexed metal shell 1 is equipped with
Several thermovents 7 in " one " word arrangement carry out active heat removal, maintain the normally and efficiently stable operation of inverter assembly 14.
In summary；Anti-interference inverter described in the utility model has anti-interference compared with existing anti-interference inverter
And the advantages that shield effectiveness is ideal, and operation stability is high.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (4)
1. a kind of anti-interference inverter, it is characterised in that：Including metal shell（1）, inverter assembly（14）With metal line screen
Cover cover（8）, the metal shell（1）Side be equipped with input port（3）, the input port（3）Offside be equipped with output end
Mouthful（2）, the inverter assembly（14）It is set to the metal shell（1）Inside, the inverter assembly（14）By filtering
Device（10）, inverter bridge（11）, single-phase transformer（12）And relay（13）It constitutes, the inverter bridge（11）With the input port
（3）With the filter（10）It is electrically connected, output port（2）And single-phase transformer（12）With the relay（13）Electricity
Property connection, and the output port（2）One end connect circuit ground line（15）, the inverter assembly（14）Lateral surface set
There is metal line shielding case（8）, the metal line shielding case（8）Covering is set to the inverter assembly（14）On, and with
The metal shell（1）It is fixedly connected.
2. a kind of anti-interference inverter according to claim 1, it is characterised in that：The metal line shielding case（8）One
Side is equipped with Shielding Case grounding line（9）, the Shielding Case grounding line（9）With the metal line shielding case（8）It is fixedly connected.
3. a kind of anti-interference inverter according to claim 1, it is characterised in that：The input port（3）Adjacent side be equipped with
Heat radiation module（4）, the heat radiation module（4）By heat emission fan（5）With metal grill cover（6）It constitutes, the metal grill cover（6）It covers
Lid is set to the heat emission fan（5）Lateral surface, and with the metal shell（1）It is bolted to connection.
4. a kind of anti-interference inverter according to claim 1, it is characterised in that：The metal shell（1）Side be equipped with
Several thermovents in " one " word arrangement（7）, the thermovent（7）With the metal shell（1）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820515180.0U CN207968344U (en) | 2018-04-12 | 2018-04-12 | A kind of anti-interference inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820515180.0U CN207968344U (en) | 2018-04-12 | 2018-04-12 | A kind of anti-interference inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968344U true CN207968344U (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820515180.0U Active CN207968344U (en) | 2018-04-12 | 2018-04-12 | A kind of anti-interference inverter |
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| Country | Link |
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| CN (1) | CN207968344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915067A (en) * | 2023-09-14 | 2023-10-20 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
-
2018
- 2018-04-12 CN CN201820515180.0U patent/CN207968344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915067A (en) * | 2023-09-14 | 2023-10-20 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
| CN116915067B (en) * | 2023-09-14 | 2024-02-06 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
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