CN205238495U - Heating device - Google Patents
Heating device Download PDFInfo
- Publication number
- CN205238495U CN205238495U CN201521015405.9U CN201521015405U CN205238495U CN 205238495 U CN205238495 U CN 205238495U CN 201521015405 U CN201521015405 U CN 201521015405U CN 205238495 U CN205238495 U CN 205238495U
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- CN
- China
- Prior art keywords
- state relay
- solid
- electrically connected
- contactor
- electric heating
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a heating device, including power supply circuit and heating mechanism, power supply circuit and electric connection of heating mechanism, heating mechanism includes four ring heater, its innovation point lies in: power supply circuit includes circuit breaker QF3 and contactor KM2, circuit breaker QF3's one end and three -phase alternating current electricity are connected, among contactor KM2's coil KM2 -1's one end and the three -phase alternating current no. 1 electricity mutually is connected, other end connecting to neutral line, and contactor KM2's main contacts KM2 -J's one end is connected with circuit breaker QF3's the other end is electric, heating mechanism still includes four solid state relay, and each solid state relay's one end is connected with a ring heater electricity respectively, four solid state relay's the other end all with electric connection of the other end of contactor KM2's main contacts KM2 -J. The utility model discloses not only the circuit reliability is high, and the cost is with low costs moreover.
Description
Technical field
The utility model relates to a kind of heater, is specifically related to a kind of heater of full electric injection molding machine.
Background technology
Full electric injection molding machine described in the utility model is the processing injection machine that a kind of whole power is all supplied with by electric power, canWith by thermoplastic injection moulding and be processed into various moulds.
Full electric injection molding machine comprises heater, is used for heating cylinder and injection nozzle, and described heater comprisesElectric heating coil, and electric heating coil is mounted on the outer wall of barrel, heat provides thermal source by barrel heat conduction for material plasticizing.
What in prior art, full electric injection molding machine was external is the three-phase alternating current of 380V, and electric heating coil is operating voltage isThe alternating current of 240V, is the operating voltage that the three-phase alternating current of 380V is arrived to electric heating coil by transformer pressure-reducing in prior art,Not only cost is high for this kind of mode, and three-phase alternating current can produce humorous wave interference, and power surge is caused electric heating coilCertain impact, has reduced the reliability of circuit.
Summary of the invention
The purpose of this utility model is: one is provided, and not only circuit reliability is high, and the low heater of cost,To overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model is: a kind of heater, comprises power circuit and addHeat engine structure, described power circuit is electrically connected with heating arrangements; Described heating arrangements comprises the first electric heating coil, the second electric heating coil,Three electric heating coils and the 4th electric heating coil; Its innovative point is:
Described power circuit comprises circuit breaker Q F3 and contactor KM2, one end of described circuit breaker Q F3 and three-phase alternating currentElectrical connection, one in one end of the coil KM2-1 of described contactor KM2 and three-phase alternating current is electrically connected, another terminal connecting zero line,One end of the main contacts KM2-J of contactor KM2 is electrically connected with the other end of circuit breaker Q F3;
Described heating arrangements also comprises the first solid-state relay, the second solid-state relay, the 3rd solid-state relay and the 4thSolid-state relay, one end of described the first solid-state relay is electrically connected with the first electric heating coil, one end of the second solid-state relay withThe second electric heating coil electrical connection, one end of the 3rd solid-state relay is electrically connected with the 3rd electric heating coil, one end of the 4th solid-state relayBe electrically connected the other end of the first solid-state relay, the other end of the second solid-state relay, the 3rd solid-state relay with the 4th electric heating coilThe other end of the other end of device and the 4th solid-state relay is all electrically connected with the other end of the main contacts KM2-J of contactor KM2.
In technique scheme, also comprise auxiliary reclay KA11, one end of the coil KM2-1 of described contactor KM2Be electrically connected by one in auxiliary reclay KA11 and three-phase alternating current.
In technique scheme, one end of described circuit breaker Q F3 is electrically connected with three-phase alternating current by circuit breaker Q F1.
In technique scheme, also comprise Surge Protector SPD, one end of described Surge Protector SPD and contactorOne end electrical connection of the coil KM2-1 of KM2, the other end is electrically connected with the other end of the coil KM2-1 of contactor KM2.
The good effect that the utility model has is: adopts after heater of the present utility model, and when use, described disconnectedRoad device QF3 is as the master switch of heating circuit, and contactor KM2, as the break-make of the actuating mechanism controls circuit of heating circuit, makesThe reliability that obtains the utility model circuit is high; Again because each electric heating coil is respectively by the alternating voltage pin of solid-state relayEnd is electrically connected with the other end of the main contacts KM2-J of contactor KM2, and described solid-state relay is that one is passed through DC(18V-28V)The components and parts of the electric heating coil break-make that control operating voltage is AC240V, substitute the transformer in prior art, like this, have just reducedCost, in the time which group electric heating coil need to heat, just connects the DC voltage leads ends of the solid-state relay on this loopDirect current, just makes this electric heating coil conducting, has realized the control to heating collar.
Brief description of the drawings
Fig. 1 is the block diagram of a kind of detailed description of the invention of the utility model;
Fig. 2 is the circuit theory diagrams of power circuit in Fig. 1;
Fig. 3 is the circuit theory diagrams of heating arrangements in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited toThis.
As shown in Figure 1, 2, 3, a kind of heater, comprises power circuit and heating arrangements, described power circuit and heatingMechanism's electrical connection; Described heating arrangements comprises the first electric heating coil 1-1, the second electric heating coil 2-1, the 3rd electric heating coil 3-1 and the 4th electricityGas ket 4-1;
Described power circuit comprises circuit breaker Q F3 and contactor KM2, one end of described circuit breaker Q F3 and three-phase alternating currentElectrical connection, one in one end of the coil KM2-1 of described contactor KM2 and three-phase alternating current is electrically connected, another terminal connecting zero line,One end of the main contacts KM2-J of contactor KM2 is electrically connected with the other end of circuit breaker Q F3;
Described heating arrangements also comprises the first solid-state relay 1-2, the second solid-state relay 2-2, the 3rd solid-state relay3-2 and the 4th solid-state relay 4-2, one end of described the first solid-state relay 1-2 is electrically connected with the first electric heating coil 1-1, and secondOne end of solid-state relay 2-2 is electrically connected with the second electric heating coil 2-1, one end of the 3rd solid-state relay 3-2 and the 3rd electric heating coil3-1 electrical connection, one end of the 4th solid-state relay 4-2 is electrically connected with the 4th electric heating coil 4-1, and the first solid-state relay 1-2's is anotherThe other end of one end, the second solid-state relay 2-2, the other end of the 3rd solid-state relay 3-2 and the 4th solid-state relay 4-2'sThe other end is all electrically connected with the other end of the main contacts KM2-J of contactor KM2.
As shown in Figure 2, in order further to improve the reliability of circuit, also comprise auxiliary reclay KA11, described contactorOne end of the coil KM2-1 of KM2 is electrically connected by one in auxiliary reclay KA11 and three-phase alternating current. Auxiliary reclayKA11, for the coil KM1-1 of control contactor KM1, just can realize whole heating arrangements by auxiliary reclay KA11Power supply control.
As shown in Figure 2, in order further to improve the reliability of the automatically controlled part of full electric injection molding machine, described circuit breaker Q F3'sOne end is electrically connected with three-phase alternating current by circuit breaker Q F1. That like this, can protect other automatically controlled part of full electric injection molding machine canLean on property.
As shown in Figure 2, in order to absorb the electric arc producing in contactor KM2 course of action, thus protection components and parts, thisUtility model also comprises Surge Protector SPD, one of the coil KM2-1 of one end of described Surge Protector SPD and contactor KM2End electrical connection, the other end is electrically connected with the other end of the coil KM2-1 of contactor KM2.
The model that solid-state relay of the present utility model is selected is S5C-215HVS, certainly, does not limit to therewith, also canSelect the solid-state relay of SSRDCDS15A1 model or CDG1-1DA15 model.
The utility model use time, in the time that three-phase alternating current access, electric current successively pass through circuit breaker Q F1, circuit breaker Q F3,Contactor KM2, is finally linked into the ac voltage input of the solid-state relay being electrically connected with each electric heating coil, when which group electricityWhen gas ket need to heat, only need to connect the DC voltage leads ends of corresponding solid-state relay, just can realize every group of electric heating coilControl.
Claims (4)
1. a heater, comprises power circuit and heating arrangements, and described power circuit is electrically connected with heating arrangements; Described addingHeat engine structure comprises the first electric heating coil (1-1), the second electric heating coil (2-1), the 3rd electric heating coil (3-1) and the 4th electric heating coil (4-1); ItsBe characterised in that:
Described power circuit comprises circuit breaker Q F3 and contactor KM2, and one end and the three-phase alternating current of described circuit breaker Q F3 are electrically connectedConnect, one in one end of the coil KM2-1 of described contactor KM2 and three-phase alternating current is electrically connected, another terminal connecting zero line, contactOne end of the main contacts KM2-J of device KM2 is electrically connected with the other end of circuit breaker Q F3;
Described heating arrangements also comprises the first solid-state relay (1-2), the second solid-state relay (2-2), the 3rd solid-state relay(3-2) the He four solid-state relay (4-2), one end of described the first solid-state relay (1-2) and the first electric heating coil (1-1) are electrically connectedConnect, one end of the second solid-state relay (2-2) is electrically connected with the second electric heating coil (2-1), one end of the 3rd solid-state relay (3-2)Be electrically connected with the 3rd electric heating coil (3-1), one end of the 4th solid-state relay (4-2) is electrically connected with the 4th electric heating coil (4-1), and firstAnother of the other end of solid-state relay (1-2), the other end of the second solid-state relay (2-2), the 3rd solid-state relay (3-2)End and the other end of the 4th solid-state relay (4-2) are all electrically connected with the other end of the main contacts KM2-J of contactor KM2.
2. heater according to claim 1, is characterized in that: also comprise auxiliary reclay KA11, described contactorOne end of the coil KM2-1 of KM2 is electrically connected by one in auxiliary reclay KA11 and three-phase alternating current.
3. heater according to claim 1, is characterized in that: one end of described circuit breaker Q F3 is by circuit breaker Q F1Be electrically connected with three-phase alternating current.
4. heater according to claim 1, is characterized in that: also comprise Surge Protector SPD, described surge protectionOne end of device SPD is electrically connected with one end of the coil KM2-1 of contactor KM2, the coil KM2-1's of the other end and contactor KM2Other end electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015405.9U CN205238495U (en) | 2015-12-09 | 2015-12-09 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015405.9U CN205238495U (en) | 2015-12-09 | 2015-12-09 | Heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205238495U true CN205238495U (en) | 2016-05-18 |
Family
ID=55937570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015405.9U Expired - Fee Related CN205238495U (en) | 2015-12-09 | 2015-12-09 | Heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205238495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683061A (en) * | 2020-12-15 | 2021-04-20 | 浙江天能新材料有限公司 | Control method for electric heating of low-temperature carbonization furnace |
-
2015
- 2015-12-09 CN CN201521015405.9U patent/CN205238495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683061A (en) * | 2020-12-15 | 2021-04-20 | 浙江天能新材料有限公司 | Control method for electric heating of low-temperature carbonization furnace |
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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: 20160518 Termination date: 20191209 |