CN209532337U - A kind of Portable electric soldering iron - Google Patents
A kind of Portable electric soldering iron Download PDFInfo
- Publication number
- CN209532337U CN209532337U CN201920094403.5U CN201920094403U CN209532337U CN 209532337 U CN209532337 U CN 209532337U CN 201920094403 U CN201920094403 U CN 201920094403U CN 209532337 U CN209532337 U CN 209532337U
- Authority
- CN
- China
- Prior art keywords
- circuit
- battery
- outer housing
- triode
- soldering iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Portable electric soldering irons, belong to electric iron technical field.Including outer housing and it is mounted on the intracorporal circuit board of shell; circuit board is equipped with battery plus-negative plate port and operating switch; circuit board one end circuit connection solder horn; other end circuit connection socket; socket is fixedly connected on outer housing one end; solder horn is fixedly connected on the outer housing other end, and battery protecting circuit, charge management circuit B1 and switching anti-back flow circuit C1 are provided on circuit board.Outer housing by the way that plastics are arranged greatly reduces the weight of electric iron, while anti-skidding silica gel being arranged on outer housing, can more effectively hold electric iron, welding effect is more preferable；The long-term powered operation that battery protecting circuit and charge management circuit realize battery to electric iron is devised, internal circuit is avoided to reduce battery cost to the damage of making a false countercharge of battery, realize the portability of electric iron；Switching anti-back flow circuit increases the safety of electric iron.
Description
Technical field
The utility model belongs to electric iron technical field, and in particular to a kind of Portable electric soldering iron.
Background technique
Electric iron currently on the market is heavy on the bodily form and is not easy to hold the hand position of electric iron, leads to welding effect
It has a greatly reduced quality.Electric iron, which generally wants external power supply just, simultaneously can be carried out the welding of electric iron, this causes in large size welding match
It will appear the various trifling troubles such as wire intertwist.And often will appear in present battery electric iron battery be easy loss etc. ask
Topic, the problem of in addition to battery itself, often make a false countercharge damage of the internal circuit to battery.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of skills of Portable electric soldering iron
Art scheme.
A kind of Portable electric soldering iron, including outer housing and it is mounted on the intracorporal circuit board of shell, it is characterised in that
The circuit board is equipped with battery plus-negative plate port and operating switch, circuit board one end circuit connection solder horn, the other end
Circuit connection socket, the socket are fixedly connected on outer housing one end, and the solder horn is fixedly connected on the outer housing other end, institute
It states and is provided with battery protecting circuit, charge management circuit B1 and switching anti-back flow circuit C1, the battery on circuit board
Protection circuit includes reverse battery protection circuit A1 and battery low high tension protection circuit A2, the charge management circuit B1 include three
Kind mode uses electric iron using electric iron mode and pure external power supply when respectively pure battery charging mode according to user, battery charge
Mode.
A kind of Portable electric soldering iron, it is characterised in that the outer housing is plastic body.
A kind of Portable electric soldering iron, it is characterised in that the circuit board is double-sided PCB board, the battery plus-negative plate
Port is equipped with battery, and the board circuit connects lighting pilot lamp, and the lighting pilot lamp is fixedly connected on outer housing
And close to solder horn.
A kind of Portable electric soldering iron, it is characterised in that the outer housing is inserted in cooperation soldering iron close to solder horn one end
Skull, the outer housing include symmetrical the first outer half shell and the second outer half shell and battery cover, outside described first
Half shell and the second outer half shell be equipped with be equipped in the switch pushing cover and the two shell surface of operating switch secure fit it is anti-
Sliding silica gel, the first outer half shell are fixedly connected by the counter sink and screw being arranged with the second outer half shell, the electricity
The outer half shell of Chi Gai and first and the second outer half shell insertion are fixed.
A kind of Portable electric soldering iron, it is characterised in that the reverse battery protection circuit A1 includes triode Q1,
The triode Q1 base stage and anode circuit connection, the triode Q1 collector and battery cathode circuit connection, it is described
Diode is equipped between triode Q1 emitter and collector, the diode is led from triode Q1 emitter to current collection extreme direction
It is logical.
A kind of Portable electric soldering iron, it is characterised in that the low high tension protection circuit A2 of the battery includes protection chip
U1, the protection chip U1 power end and positive pole circuit connection, the protection chip U1 ground terminal and triode Q1 emit
Polar circuit connection.
A kind of Portable electric soldering iron, it is characterised in that the charge management circuit B1 includes charging management chip
U2, the charging management chip U2 power end are connect with socket circuit, and the socket is TYPE-C socket, and the socket circuit connects
Connect external power supply, the charging management chip U2 also circuit connection charging indicator light, the charging management chip U2 output end with
The connection of battery plus-negative plate port circuit；
Under pure battery charging mode according to user, VCC pin is high level signal, Charge Management core in the charging management chip U2
Piece U2 charges to battery and CH pin is low level signal in charging management chip U2, when being full of, ST in charging management chip U2
Pin is low level signal；
Under using electric iron mode in battery charging, the operating switch is opened, and the external power supply is cut by switch
The back flow circuit C1 that relieves a garrison power to solder horn heating work through triode Q2 conducting, meanwhile, circuit is ended through triode Q4,
The charging management chip U2 cut-off；
In pure external power supply using under electric iron mode, the operating switch is opened, the charging management chip U2 not work
Make and charging management chip U2 output end end through triode Q3, the external power supply by switching anti-back flow circuit C1 into
Row powers to solder horn heating work.
A kind of Portable electric soldering iron, it is characterised in that the switching anti-back flow circuit C1 includes reverse-filling two
Pole pipe D1, the reverse-filling diode D1 and socket and operating switch circuit connection, the reverse-filling diode D1 is by socket
It is connected to operating switch direction.
The utility model has the beneficial effects that
1, by the way that the outer housing of plastics is arranged the weight of electric iron is greatly reduced, while is arranged on outer housing anti-skidding
Silica gel, can more effectively hold electric iron, and welding effect is more preferable；
2, the long-term powered operation that battery protecting circuit and charge management circuit realize battery to electric iron is devised, is kept away
Exempt from make a false countercharge damage of the internal circuit to battery, reduces battery cost, realize the portability of electric iron；Switching reverse-filling
Circuit increases the safety of electric iron.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural exploded view of the utility model；
Fig. 3 is the circuit diagram of battery protecting circuit in the utility model；
Fig. 4 is charge management circuit in the utility model, switching anti-back flow circuit and electric iron operating circuit
Circuit diagram.
In figure: 1- outer housing, the outer half shell of 101- first, the outer half shell of 102- second, 2- circuit board, 3- battery plus-negative plate
Port, 4- operating switch, 5- solder horn, 6- socket, 7- battery, 8- lighting pilot lamp, 9- soldering iron skull, 10- switch pushing cover,
The anti-skidding silica gel of 11-, 12- charging indicator light.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, a kind of Portable electric soldering iron, including outer housing 1 and the circuit board 2 that is mounted in outer housing 1,
Wherein, outer housing 1 is plastic body, and circuit board 2 is double-sided PCB board.2 one end circuit connection solder horn 5 of circuit board, another terminal circuit
Socket 6 is connected, socket 6 is TYPE-C socket, can be plugged in, also can external plug-in use.Socket 6 is fixedly connected on shell
1 one end of body, solder horn 5 are fixedly connected on 1 other end of outer housing.Outer housing 1 includes the first symmetrical outer 101 He of half shell
Second outer half shell 102 and battery cover 103, the first outer half shell 101 and the second outer half shell 102 is equipped with and operating switch
Anti-skidding silica gel 11 is equipped in the switch pushing cover 10 and the two shell surface of 4 secure fits, switch pushing cover 10 is adjusted work and opens
Close 4 working condition.First outer half shell 101 passes through the counter sink and screw of setting and the fixed company of the second outer half shell 102
It connects.
Outer housing 1 close to 5 one end of solder horn be inserted in cooperation soldering iron skull 9, soldering iron skull 9 electric iron when not in use, lid
Firmly solder horn 5 prevents his object in the tip stamp of solder horn 5.
It is equipped with battery plus-negative plate port 3 and operating switch 4 on the circuit board 2, battery plus-negative plate port 3 is equipped with battery 7,
Battery 7 is generally fitted with battery according to the characteristic of circuit for 18650 lithium batteries, directly external however, you can also not install battery
Power supply.In addition, battery cover 103 and the first outer half shell 101 and the second outer insertion of half shell 102 are fixed, 103 size of battery cover
It is adapted with 7 size of battery.
Further, 2 circuit connection lighting pilot lamp 8 of circuit board, lighting pilot lamp 8 be fixedly connected on outer housing 1 and
Close to solder horn 5.Lighting pilot lamp 8 can not only illuminate place when solder horn 5 welds but also can be used as estimating for cell voltage
Instruction is calculated, lighting pilot lamp 8 illustrates that cell voltage is low when darker.
As shown in Figures 3 and 4, it is anti-that battery protecting circuit, charge management circuit B1 and switching are provided on circuit board 2
Back flow circuit C1.
Battery protecting circuit includes reverse battery protection circuit A1 and the low high tension protection circuit A2 of battery.Battery reverse connecting protection
Circuit A1 includes triode Q1, triode Q1 base stage and anode circuit connection, and triode Q1 collector and battery cathode are electric
Road connection is equipped with diode between triode Q1 emitter and collector, diode is from triode Q1 emitter to collector side
To conducting, when battery 7 is reversely connected, triode Q1 cut-off；The low high tension protection circuit A2 of battery includes protection chip U1, protects chip
U1 is IP3005A lithium electric protection chip, protection chip U1 power end and positive pole circuit connection, protection chip U1 ground terminal with
The connection of triode Q1 emitter circuit, when there is high-voltage charging at battery both ends, protecting VDD pin in chip U1 is high level letter
Number, protection chip U1 conducting, when battery both ends low pressure discharge, protecting VDD pin in chip U1 is low level signal, protects core
Piece U1 output cut-off.
When 7 normal power supply of battery, opening operating switch 4, conducting of 7 electric current of battery through triode Q3 and triode Q2,
Carry out the power supply of the heating work to solder horn 5.When 7 voltage of battery is low, battery is carried out by 6 circuit connection external power supply of socket
Charging.
Charge management circuit B1 includes charging management chip U2, charging management chip U2 power end and 6 circuit connection of socket,
Charging management chip U2 also circuit connection charging indicator light 12,3 electricity of charging management chip U2 output end and battery plus-negative plate port
Road connection；Charge management circuit B1 includes Three models, and respectively pure battery charging mode according to user, battery use electric iron mould when charging
Formula and pure external power supply use electric iron mode.
Under pure battery charging mode according to user, VCC pin is high level signal, charging management chip U2 in charging management chip U2
It is low level signal to CH pin in the charging of battery 7 and charging management chip U2,12 shiny red of charging indicator light fills when being full of
ST pin is low level signal in electric managing chip U2, and 12 bright green of charging indicator light, charging indicator light 12 is dual color light emitting two
Pole pipe.
Under using electric iron mode in battery charging, operating switch 4 is opened, and external power supply passes through switching reverse-filling
Circuit C1 power to 5 heating work of solder horn through triode Q2 conducting, meanwhile, circuit is ended through triode Q4, charging valve
Manage chip U2 cut-off.
In the case where pure external power supply is using electric iron mode, operating switch 4 is opened, and charging management chip U2 does not work and charges
Managing chip U2 output end ends through triode Q3, prevents electric current from directly pouring into battery without charging management chip U2.Outside
It connects power supply and passes through switching anti-back flow circuit C1 all the way, another way is carried out by diode D2 conducting to 5 heater of solder horn
It powers.
Switching anti-back flow circuit includes reverse-filling diode D1, and reverse-filling diode D1 is opened with socket 6 and work
4 circuit connections are closed, reverse-filling diode D1 is connected from socket 6 to 4 direction of operating switch.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of Portable electric soldering iron, including outer housing (1) and the circuit board (2) being mounted in outer housing (1), it is characterised in that
The circuit board (2) is equipped with battery plus-negative plate port (3) and operating switch (4), and described circuit board (2) one end circuit connection irons
Iron head (5), other end circuit connection socket (6), the socket (6) are fixedly connected on outer housing (1) one end, the solder horn
(5) it is fixedly connected on outer housing (1) other end, is provided with battery protecting circuit, charge management circuit B1 on the circuit board (2)
And switching anti-back flow circuit C1, the battery protecting circuit include that reverse battery protection circuit A1 and the low high pressure of battery are protected
Protection circuit A2, the charge management circuit B1 includes Three models, using electricity when respectively pure battery charging mode according to user, battery charge
Soldering iron mode and pure external power supply use electric iron mode.
2. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the outer housing (1) is plastic body.
3. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the circuit board (2) is double-sided PCB board,
The battery plus-negative plate port (3) is equipped with battery (7), circuit board (2) the circuit connection lighting pilot lamp (8), the photograph
Bright indicator light (8) is fixedly connected on outer housing (1) and close to solder horn (5).
4. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the outer housing (1) is close to solder horn
(5) cooperation soldering iron skull (9) is inserted in one end, and the outer housing (1) includes symmetrical the first outer half shell (101) and second
Outer half shell (102) and battery cover (103), the first outer half shell (101) and the second outer half shell (102) be equipped with
It is equipped with anti-skidding silica gel (11) in the switch pushing cover (10) and the two shell surface of operating switch (4) secure fit, outside described first
Half shell (101) is fixedly connected by the counter sink and screw of setting with the second outer half shell (102), the battery cover
(103) it is fixed with the first outer half shell (101) and the second outer half shell (102) insertion.
5. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the reverse battery protection circuit A1 packet
Include triode Q1, the triode Q1 base stage and anode circuit connection, the triode Q1 collector and battery cathode electricity
Road connection, between the triode Q1 emitter and collector be equipped with diode, the diode from triode Q1 emitter to
Current collection extreme direction conducting.
6. a kind of Portable electric soldering iron according to claim 5, it is characterised in that the low high tension protection circuit A2 of the battery
Including protecting chip U1, the protection chip U1 power end and positive pole circuit connection, the protection chip U1 ground terminal and
The connection of triode Q1 emitter circuit.
7. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the charge management circuit B1 includes filling
Electric managing chip U2, the charging management chip U2 power end and socket (6) circuit connection, the socket (6) are inserted for TYPE-C
Seat, socket (6) the circuit connection external power supply, the charging management chip U2 also circuit connection charging indicator light (12), institute
State charging management chip U2 output end and battery plus-negative plate port (3) circuit connection；
Under pure battery charging mode according to user, VCC pin is high level signal, charging management chip U2 in the charging management chip U2
It is low level signal to CH pin in battery (7) charging and charging management chip U2, when being full of, ST draws in charging management chip U2
Foot is low level signal；
Under using electric iron mode in battery charging, the operating switch (4) is opened, and the external power supply passes through switching
Anti-back flow circuit C1 power to solder horn (5) heating work through triode Q2 conducting, meanwhile, circuit is cut through triode Q4
Only, the charging management chip U2 cut-off；
In the case where pure external power supply is using electric iron mode, the operating switch (4) is opened, and the charging management chip U2 does not work
And charging management chip U2 output end ends through triode Q3, the external power supply is carried out by switching anti-back flow circuit C1
It powers to solder horn (5) heating work.
8. a kind of Portable electric soldering iron according to claim 1, it is characterised in that the switching anti-back flow circuit C1
Including reverse-filling diode D1, the reverse-filling diode D1 and socket (6) and operating switch (4) circuit connection are described anti-
Flow backward diode D1 to be connected from socket (6) to operating switch (4) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094403.5U CN209532337U (en) | 2019-01-21 | 2019-01-21 | A kind of Portable electric soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094403.5U CN209532337U (en) | 2019-01-21 | 2019-01-21 | A kind of Portable electric soldering iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209532337U true CN209532337U (en) | 2019-10-25 |
Family
ID=68270590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920094403.5U Active CN209532337U (en) | 2019-01-21 | 2019-01-21 | A kind of Portable electric soldering iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209532337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530843A (en) * | 2019-01-21 | 2019-03-29 | 杭州致知科教用品有限公司 | A kind of Portable electric soldering iron |
-
2019
- 2019-01-21 CN CN201920094403.5U patent/CN209532337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530843A (en) * | 2019-01-21 | 2019-03-29 | 杭州致知科教用品有限公司 | A kind of Portable electric soldering iron |
| CN109530843B (en) * | 2019-01-21 | 2024-02-06 | 杭州致知科教用品有限公司 | Portable electric soldering iron |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209532337U (en) | A kind of Portable electric soldering iron | |
| CN109530843A (en) | A kind of Portable electric soldering iron | |
| CN206164170U (en) | Float charging seat | |
| CN208837115U (en) | Voltage follower circuit and electronic cigarette | |
| CN208986131U (en) | A kind of assembly type multi-series lithium battery protection board | |
| CN210593221U (en) | Bottle plug lamp | |
| CN101325341B (en) | Mobile phone charger with USB plug | |
| CN210101375U (en) | Safety charging device for electric vehicle | |
| CN207021742U (en) | A kind of lithium battery charger of good heat dissipation | |
| CN208299454U (en) | A kind of encoded servo device intelligent charger box | |
| CN201061158Y (en) | Mobile phone charger with USB plug | |
| CN208445077U (en) | It is a kind of to be shone the network jumper wire of hunting by illuminating module | |
| CN206775168U (en) | A kind of new automatic quick charger | |
| CN221240159U (en) | Reverse connection preventing structure for lithium battery charging | |
| CN215187307U (en) | Real-time power-supplementing Bluetooth headset set | |
| CN208158155U (en) | A kind of multifunctional interphone quick charge platform | |
| CN209298924U (en) | A kind of raft fishes, wild fishes multifunctional unit power supply device | |
| CN208423827U (en) | A kind of unmanned plane battery charging and discharging switch | |
| CN214462981U (en) | Adjustable socket for one-drag-multiple lamp belt of pavilion | |
| CN204651426U (en) | Rechargeable battery | |
| CN221262477U (en) | External energy storage forced air cooling battery package of BMS slave control | |
| CN215109615U (en) | Fan with charging function | |
| CN213602438U (en) | Electricity storage type lamp holder | |
| CN214428690U (en) | Polymer lithium ion battery using lithium cobaltate material | |
| CN221315863U (en) | Vehicle charging energy-saving power maintenance device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |