CN200968711Y

CN200968711Y - Heater

Info

Publication number: CN200968711Y
Application number: CN 200620140146
Authority: CN
Inventors: 黄道靖
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-17
Filing date: 2006-11-17
Publication date: 2007-10-31
Anticipated expiration: 2016-11-17

Abstract

The utility model belongs to a warmer, comprising a burner, a gas inlet pipe communicated with the burner, an ignitor, and an electromagnetic valve arranged in the gas inlet pipe. The structural characteristics of the utility model lie in that the warmer also comprise an induction power, the electromagnetic valve has dual-purpose electromagnetic valve which may be operated by manual as well as by electricity. The induction end of the induction power is arranged in the high temperature zone of the burner; the dual-purpose electromagnetic valve is connected with the heat induction power and the external power. The advantage of the utility model is that the warm may be started up directly and has cut-off protection function.

Description

Warmer

Technical field

The utility model relates to a kind of warmer, is specifically related to the warmer of a kind of combustion fluid gasification or natural gas.

Background technology

Chinese patent bulletin CN2590350 discloses a kind of fuel-firing gas-firing air-heater, and single-piece frame inside is divided into air-supply arrangement, heat-exchanger rig and control system and forms: wherein air-supply arrangement is made up of blower fan, motor, fresh wind port, return air inlet (can add return fan) and air outlet; Heat-exchanger rig is made up of burner, combustion chamber and heat exchanger, and burner is installed on the combustion chamber, and heat exchanger and combustion chamber join together; Control system is made up of temperature controller, temperature protector, alarm, fan switch and electric burner switch, and temperature controller is connected with burner by the burner switch, and temperature protector is connected with burner and alarm.The significant disadvantage of this kind air-heater is that heat exchanger need be set, and has reduced efficient, can not stop heat supply automatically or start heat supply according to the environment temperature of setting simultaneously, can not implement control by control devices such as remote controls, uses inconvenience.

The utility model content

Technical problem to be solved in the utility model provides the warmer that a kind of directly electricity starts and have extinguish protection function.

Solving the technical scheme that the utility model asked a question is: a kind of warmer, gas inlet pipe road, the igniter that comprise burner, communicates with burner and be arranged on magnetic valve in the gas inlet pipe road; Its design feature is: also have the thermoinduction power supply, described magnetic valve be have manual push rod can manual unblank also can electronic unblank bi service electromagnetic valve; The induction end of described thermoinduction power supply is arranged on the burner combustion high-temperature region; Described bi service electromagnetic valve is electrically connected with thermoinduction power supply and external circuits power supply simultaneously.

Described thermoinduction power supply can be selected occasionally thermal resistance of thermoelectricity for use.

Described external circuits power supply can be selected step-down rectifying circuit, dry cell or battery for use.

Described warmer also can have blower fan, and described blower fan is arranged on the dead astern of described burner; Also be provided with the manual modulation valve of manual adjustments combustion gas air inflow in the described gas inlet pipe road.

The valve body of described magnetic valve also can be fixed with travel switch outward; Also be provided with the travel switch trigger unit on the described manual push rod, described travel switch trigger unit can move along with moving of push rod, also can trigger described travel switch.

One end of described push rod stretches out valve pocket and exposes outside the valve pocket, and the other end of described push rod stretches in the valve pocket and with described moving iron core fixedlys connected.

Described bi service electromagnetic valve has valve body, by valve pocket, intake channel and the exit passageway that valve body surrounded, is arranged on valve seat, spool, spring, moving iron core, winding, fixed core and push rod in the valve pocket; Described valve pocket, intake channel and exit passageway communicate, and described spring is between described spool and described fixed core and be set on the described push rod, and described winding is around described fixed core setting.

The corresponding end of described spool and described valve seat is arranged with sealing rubber cover; Described valve pocket runs through described valve body, and the side near push rod of valve body is provided with threaded joints, sealing shroud and sealing nut, and another side is provided with threaded joints, seal washer and sealing nut.

Described winding is one or two, and is arranged in the described valve pocket around fixed core; Described valve seat is arranged on the middle part of valve pocket, and between exit passageway and intake channel; Described spool is fixedly installed on the middle part of described push rod, and its shape matches with described valve seat; Described winding and fixed core are arranged on the other end away from described push rod of valve pocket.

Warmer also has the time relay, and the control output end of the described time relay can be used for controlling the break-make of bi service electromagnetic valve and external circuits power supply in limited time.

Described igniter is hand igniter or electronic type igniter.

When used igniter was the electronic type igniter, the described time relay can also have second control output end, and this control output end can be used for controlling the on/off of electronic type igniter in limited time.

The utlity model has positive effect:

(1) the utility model product owing to adopted have manual push rod can manual unblank also can electronic unblank bi service electromagnetic valve, and the structural design that bi service electromagnetic valve is electrically connected with thermoinduction power supply and external circuits power supply simultaneously; Because manually unblank and under the power supply of thermoinduction power supply, keep the conducting state of magnetic valve of bi service electromagnetic valve, can also be under the effect of external circuits power supply and direct electric unblank, so have the directly advantage of electric startup.

(2) the utility model product is owing to the structural design that has adopted bi service electromagnetic valve and the electrical connection of thermoinduction power supply, when burner combustion, the thermoinduction power supply can be in conducting state to keep it to the bi service electromagnetic valve power supply, combustion gas can enter in the burner burns, even also the utility model product is in steady-working state; When burner is flame-out, the thermoinduction power supply will no longer continue power supply to bi service electromagnetic valve, and bi service electromagnetic valve cuts off the power supply and is in closed condition, has avoided combustion gas to continue to enter in the burner, the gas leakage phenomenon can not take place, so have the advantage of blowout protection.

(3) when the utility model product also has the blower fan that is arranged on described burner dead astern, the utility model product can be used as warm-air drier and uses.

(4) the utility model product has adopted the structural design that bi service electromagnetic valve is electrically connected with thermoinduction power supply and external circuits power supply simultaneously; Described external circuits power supply can provide higher voltage, makes that the bi service electromagnetic valve in the utility model can direct electric unblank; Again because the bi service electromagnetic valve that the utility model adopts has push rod, manually unblank again; After burner combustion, the thermoinduction power supply is under the flame high temperature action, can provide a less electromotive force to bi service electromagnetic valve, in order to keeping the conducting state of magnetic valve, so the bi service electromagnetic valve in the utility model have can manual unblank again can electronic unblank advantage.

(5) the utility model also can adopt the time relay, and when used igniter was the electronic type igniter, the control output end of the described time relay can be used for controlling the on/off of electronic type igniter in limited time; Because the used time relay can guarantee to keep the power supply of channel status with the cut-in point firearm in the time that presets, and made igniter keep the sparking state, thereby lighted the combustion gas that enters burner, so that burner takes fire; Can also guarantee simultaneously after between pre-prescribing a time limit, to make the igniter outage, make it no longer be in the sparking state; Has security preferably; The control output end of the described time relay can be used for controlling the break-make of bi service electromagnetic valve and external circuits power supply in limited time, can guarantee like this can be in the default time direct electric unblank bi service electromagnetic valve, and after bi service electromagnetic valve is in conducting state, the bi service electromagnetic valve that breaks is connected with the circuit of external circuits power supply, thereby makes bi service electromagnetic valve keep conducting state under the power supply of thermoinduction power supply.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the bi service electromagnetic valve of warmer shown in Figure 1.

Fig. 3 is the circuit theory diagrams of warmer shown in Figure 1.

Fig. 4 is second kind of structural representation of the used bi service electromagnetic valve of the utility model.

Fig. 5 is the third structural representation of the used magnetic valve of the utility model.

Be labeled as shown in the accompanying drawing: burner 1, gas inlet pipe road 2, manual modulation valve 21, thermoinduction power supply 3, induction end 3-1, travel switch 4, travel switch trigger unit 41, the time relay 5, the control output end 5-1 of the time relay, 5-2, igniter 6, blower fan 7, remote control switch 8, bi service electromagnetic valve 9, valve body 91, threaded joints 911, seal washer 912, sealing nut 913, sealing shroud 914, gasket seal 916, valve pocket 92, intake channel 921, exit passageway 922, valve seat 93, spool 94, envelope rubber sleeve 941, spring 95, moving iron core 96, winding 97, fixed core 98, push rod 99, environment temperature detect switch (TDS) 10, the induction end 101 of environment temperature detect switch (TDS), the control output end 10-1 of environment temperature detect switch (TDS), gas alarm switch 11, the control output end 11-1 of gas alarm switch, remote control switch 20, the control output end 20-1 of remote control switch, external circuits power supply 300.

The specific embodiment

(embodiment 1)

See Fig. 1, the warmer in the present embodiment comprises the burner 1 of vertical setting, the gas inlet pipe road 2 that communicates with burner, thermoinduction power supply 3, electronic type igniter 6, be arranged on the blower fan 7 in the dead astern of described burner 1, be arranged on the manual modulation valve 21 in the gas inlet pipe road and have manual push rod 99 can manual unblank also can electronic unblank bi service electromagnetic valve 9.Described manual modulation valve 21 is used for manual adjustments combustion gas air inflow.Thermoinduction power supply 3 in the present embodiment is a thermocouple, and the induction end 3-1 of described thermoinduction power supply 3 is arranged on the combustion high temperature district of burner 1, even in the flame when also the induction end 3-1 of thermoinduction power supply 3 is in burner 1 burning.

See Fig. 2, described bi service electromagnetic valve 9 has valve body 91, by valve pocket 92, intake channel 921 and the exit passageway 922 that valve body 91 is surrounded, be arranged on valve seat 93, spool 94, spring 95, moving 96, windings 97 unshakable in one's determination, fixed core 98, push rod 99 and winding cover 100 in the valve pocket 92; Described valve pocket 92, intake channel 921 and exit passageway 922 communicate, and described spring 95 is between described spool 94 and the described fixed core 98 and be set on the described push rod 99, and described winding 97 is provided with around described fixed core 98; One end of described push rod 99 stretches out valve pocket 92 and exposes outside the valve pocket 92, and the other end of described push rod 99 stretches in the valve pocket 92 and with described moving unshakable in one's determination 96 fixedlys connected.Described spool 94 is arranged with sealing rubber cover 941 with described valve seat 93 corresponding ends; Described valve pocket 92 runs through described valve body 91, and the side near push rod 99 of valve body 91 is provided with threaded joints 911, sealing shroud 914 and sealing nut 913, and another side is provided with threaded joints 911, seal washer 912, gasket seal 916 and sealing nut 913.Described valve seat 93 is arranged on the middle part of valve pocket 92, and between exit passageway 922 and intake channel 921; Described spool 94 is fixedly installed on the middle part of described push rod 99, and its shape matches with described valve seat 93; Described winding 97 and fixed core 98 are arranged on the other end away from described push rod 99 of valve pocket 92; Described winding is electrically connected with external circuits power supply 300 and thermoinduction power supply 3 by two lead-in wires 200.

See Fig. 3, the warmer of present embodiment also is provided with environment temperature detect switch (TDS) 10, gas alarm switch 11, the time relay 5 and remote control switch 20.When the induction end 101 of environment temperature detect switch (TDS) is sensed environment temperature and is reached default maximum temperature, the control output end 10-1 disconnecting circuit of described environment temperature detect switch (TDS) 10; When the induction end 101 of environment temperature detect switch (TDS) was sensed environment temperature and is lower than default maximum temperature, the control output end 10-1 of described environment temperature detect switch (TDS) 10 reclosed circuit.When gas alarm switch 11 was sensed coal gas in the surrounding enviroment and exceeded standard, its control output end 11-1 was with disconnecting circuit.Described remote control switch 20 and power switch 8 are worked in coordination, the break-make of control entire circuit.The control output end 5-2 of the described time relay 5 can be used for controlling the break-make of bi service electromagnetic valve 9 and external circuits power supply 300 in limited time; The control output end 5-1 of the described time relay is used for controlling the on/off of electronic type igniter 6 in limited time.

Described bi service electromagnetic valve 9 is electrically connected with thermoinduction power supply 3 and external circuits power supply 300 simultaneously.

Environment temperature detect switch (TDS) 10 in the present embodiment can adopt any in electronic temperature control device, two golden temperature detect switch (TDS) and the three gold medal temperature detect switch (TDS)s.

(embodiment 2)

See Fig. 4, present embodiment is substantially the same manner as Example 1, difference is: the structure of the bi service electromagnetic valve 9 in the present embodiment is slightly different with the bi service electromagnetic valve 9 among the embodiment 1, bi service electromagnetic valve 9 in the present embodiment has two windings, a winding is electrically connected by two lead-in wires and thermoinduction power supply 3, and another winding is electrically connected by two lead-in wires and external circuits power supply 300.Because the thermoinduction power supply provides electromotive force limited, only can keep the conducting state of this bi service electromagnetic valve 9, and the electromotive force that the external circuits power supply can provide is bigger, can directly push rod 99 be adsorbed on the fixed core 98 and realize direct electric unblank.Under the effect of external control circuit, realize no matter bi service electromagnetic valve 9 is by manual unblank or electronic unblank, and all the electric current that provides by thermoinduction power supply 3 makes bi service electromagnetic valve 9 continue to be in conducting state after unblank simultaneously.

(embodiment 3)

See Fig. 5, present embodiment is substantially the same manner as Example 2, difference is: the valve body of the bi service electromagnetic valve 9 in the present embodiment also is fixed with outward and forms switch 4, also be provided with travel switch trigger unit 41 on the described manual push rod 99, described travel switch trigger unit 41 can move along with moving of push rod 99, also can trigger described travel switch 4.

Bi service electromagnetic valve 9 in the present embodiment can also be given 4 one switching signals of travel switch when manual unblank, conveniently utilize 4 pairs of external power circuits of the trip switch or blower fan 7 to wait other electrical equipments to control.Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims

1, a kind of warmer, the gas inlet pipe road (2) that comprise burner (1), communicates, igniter (6) and be arranged on magnetic valve (9) in the gas inlet pipe road with burner; It is characterized in that: also have thermoinduction power supply (3), described magnetic valve (9) be have manual push rod (99) can manual unblank also can electronic unblank bi service electromagnetic valve; The induction end (3-1) of described thermoinduction power supply (3) is arranged on burner combustion (1) high-temperature region; Described bi service electromagnetic valve (9) is electrically connected with thermoinduction power supply (3) and external circuits power supply simultaneously.

2, warmer according to claim 1 is characterized in that: also have blower fan (7), described blower fan (7) is arranged on the dead astern of described burner (1); Also be provided with the manual modulation valve (21) of manual adjustments combustion gas air inflow in the described gas inlet pipe road (2).

3, warmer according to claim 1 is characterized in that: the outer travel switch (4) that is fixed with of the valve body (91) of described magnetic valve (9); Also be provided with travel switch trigger unit (41) on the described manual push rod (99), described travel switch trigger unit (41) can move along with moving of push rod (99), also can trigger described travel switch (4).

4, warmer according to claim 1 is characterized in that: an end of described push rod (99) stretches out valve pocket (92) and exposes outside the valve pocket (92), and the other end of described push rod (99) stretches in the valve pocket (92) and with described moving iron core (96) fixedlys connected.

5, warmer according to claim 4, it is characterized in that: described bi service electromagnetic valve (9) has valve body (91), by valve pocket (92), intake channel (921) and the exit passageway (922) that valve body (91) is surrounded, be arranged on valve seat (93), spool (94), spring (95), moving (96), winding (97) unshakable in one's determination, fixed core (98) and push rod (99) in the valve pocket (92); Described valve pocket (92), intake channel (921) and exit passageway (922) communicate, described spring (95) is positioned between described spool (94) and the described fixed core (98) and is set on the described push rod (99), and described winding (97) is provided with around described fixed core (98).

6, warmer according to claim 5 is characterized in that: described spool (94) is arranged with sealing rubber cover (941) with the corresponding end of described valve seat (93); Described valve pocket (92) runs through described valve body (91), side near push rod (99) of valve body (91) is provided with threaded joints (911), sealing shroud (914) and sealing nut (913), and another side is provided with threaded joints (911), seal washer (912) and sealing nut (913).

7, warmer according to claim 5 is characterized in that: described winding (97) is one or two, and is arranged in the described valve pocket (92) around fixed core (98); Described valve seat (93) is arranged on the middle part of valve pocket (92), and is positioned between exit passageway (922) and the intake channel (921); Described spool (94) is fixedly installed on the middle part of described push rod (99), and its shape matches with described valve seat (93); Described winding (97) and fixed core (98) are arranged on the other end away from described push rod (99) of valve pocket (92).

8, warmer according to claim 1 is characterized in that: warmer also has the time relay (5), and the control output end (5-2) of the described time relay (5) can be used for controlling the break-make of bi service electromagnetic valve (9) and external circuits power supply in limited time.

9, warmer according to claim 8 is characterized in that: described igniter (6) is hand igniter or electronic type igniter.

10, warmer according to claim 9 is characterized in that: when used igniter (6) was the electronic type igniter, the control output end of the described time relay (5-1) can be used for controlling the on/off of electronic type igniter in limited time.