CN208605288U - A kind of double fuel switching mechanism and electricity generation system - Google Patents

Abstract

The utility model relates to technical field of power generation, a kind of double fuel switching mechanism and electricity generation system are disclosed.Double fuel switching mechanism includes pedestal, the first switch and the second switch for being set to pedestal, the first fuel valve, the second fuel valve, the knob for being set to pedestal and the first gear and second gear that are set to pedestal.Knob is sequentially connected to pass through rotation and selectively turn on or close the first fuel valve by shaft and the first fuel valve.First gear and second gear engagement, first gear are sheathed on shaft and can rotate with shaft, and second gear and the second fuel valve are sequentially connected.Therefore by two gears of engagement, the switching of two kinds of fuel can be made to complete by a knob, opens different fuel valves when rotation to different location.First switch and the second switch may be used as triggering different equipment, for example control generator is flame-out, opens carburetor etc..Electricity generation system includes above-mentioned double fuel switching mechanism.

Description

A kind of double fuel switching mechanism and electricity generation system

Technical field

The utility model relates to technical field of power generation, in particular to a kind of double fuel switching mechanism and electricity generation system.

Background technique

Under current technology condition and resource, economic condition, in conjunction with liquefied petroleum gas in the side such as resource, cost, environmental protection The advantage in face uses Fuel Petroleum and LP gas fuel as the dual fuel engine technology of fuel, is that one kind is more managed The high-efficiency low-pollution draining technology thought, and there is good development prospect, therefore favored by the majority of users.Now current is double Fuel power generation function unit Fuel switching method or apparatus, operation is more complicated, and user is easy to appear maloperation, or even causes difference Fuel simultaneously enter engine mixed firinor fuel burning, will lead to engine fluctuation of service, burning generate dangerous flame the problems such as, Lead to generator also abnormal work, so the security performance of generating set is caused to seriously affect.

Utility model content

In view of this, the utility model is intended to provide a kind of double fuel switching mechanism and electricity generation system, it is above-mentioned to solve Technical problem.

The embodiments of the present invention are achieved in that

The utility model proposes a kind of double fuel switching mechanism, be applied to electricity generation system comprising:

Pedestal is arranged at intervals with first switch and the second switch on pedestal；

First fuel valve and the second fuel valve；

It is set to the knob of pedestal, knob is sequentially connected by shaft and the first fuel valve to pass through rotation selectively It is turned on or off the first fuel valve；

It is rotatablely arranged at the first gear and second gear of pedestal, first gear and second gear engagement, the first tooth Wheel is sheathed on shaft and can rotate with shaft, and second gear and the second fuel valve are sequentially connected；Be provided in first gear to Socket part optionally abuts first switch or second switch when abutting part is rotated with first gear, with trigger first switch or Second switch；

Wherein, knob has first position, the second position and the third place in rotation direction, and knob is in first When setting, first switch is triggered, and the first fuel valve and the second fuel valve are closed；When knob is in the second position, second is opened Pass is triggered, and the first fuel valve is opened, and the second fuel valve is closed；When knob is in the third place, first switch and Two switches are not triggered, and the second fuel valve is opened, and the first fuel valve is closed.

Further, knob can be moved relative to pedestal along the rotation axis direction of itself, so that knob can be pressed Under；Third switch is additionally provided on pedestal, third switch can be screwed triggering when knob is pressed.

Further, pedestal includes box body, end cap and pedestal, and box body has opening, and end cap is covered on the opening of box body, bottom Seat is set on the outside of end cap, and knob insertion is set to pedestal；First gear, second gear are all set in box body, and shaft passes through End cap and pedestal are to connect knob and first gear.

Further, the bottom outside of the first fuel valve and the second fuel valve setting and box body, the setting of box body bottom There is through-hole structure, shaft passes through through-hole structure and the first fuel valve is sequentially connected；Second fuel valve partially protrudes into through-hole knot Structure and second gear are sequentially connected.

Further, first switch and the second switch is all set in box body, and end cap has relief hole, at least partly third Switch stretches out in outside end cap from relief hole, so that knob can trigger third switch when pressing.

Further, elastic component is provided between knob and pedestal, to provide the fortune for being directed away from pedestal direction to knob Dynamic trend.

Further, for the transmission connection of the second fuel valve body in an interconnecting piece, second gear is provided centrally with connecting hole, connection Hole and interconnecting piece cooperate, so that second gear is able to drive interconnecting piece rotation to turn on or off the second fuel valve body.

Further, inserting slot construction is provided on pedestal, knob is provided with inserted block structure, when knob be located at the second position or When the third place, inserted block structure is inserted into inserting slot construction, so that knob can be pressed；When knob is not located at the second position Or when the third place, inserted block structure can not be inserted into inserting slot construction, so that knob can not be pressed.

A kind of electricity generation system provided by the embodiment of the utility model comprising:

First fuels sources and the second fuels sources；

Generating set, generating set include generator；And

Such as the double fuel switching mechanism of any one of claim 1-8, the first fuels sources pass through the first fuel valve and hair Motor connection, the second fuels sources are connect by the second fuel valve with generator.

Further, first switch connects generator, and when first switch is triggered, generator is flame-out；

Second switch connects carburetor, and when second switch is triggered, carburetor is opened.

The beneficial effect of the utility model embodiment is:

The double fuel switching mechanism of the utility model embodiment includes that pedestal, the first switch for being set to pedestal and second are opened Pass, the first fuel valve, the second fuel valve, the knob for being set to pedestal and the first gear and second gear for being set to pedestal. Knob is sequentially connected to pass through rotation and selectively turn on or close the first fuel valve by shaft and the first fuel valve. First gear and second gear engagement, first gear are sheathed on shaft and can rotate with shaft, second gear and the second fuel valve Door transmission connection；It is provided with abutting part in first gear, first is optionally abutted when abutting part is rotated with first gear and is opened Pass or second switch, to trigger first switch or second switch.Knob in rotation direction have first position, the second position with And the third place, when knob is in first position, first switch is triggered, and the first fuel valve and the second fuel valve are closed； When knob is in the second position, second switch is triggered, and the first fuel valve is opened, and the second fuel valve is closed；At knob When the third place, first switch and the second switch is not triggered, and the second fuel valve is opened, and the first fuel valve is closed. Therefore by two gears of engagement, the switching of two kinds of fuel can be made to complete by a knob, when rotation to different positions Different fuel valves is opened when setting.First switch and the second switch may be used as triggering different equipment, such as control power generation Machine is flame-out, opens carburetor etc..

The electricity generation system of the utility model embodiment uses above-mentioned double fuel switching mechanism, therefore also has above-mentioned Beneficial effect.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is double fuel switching mechanism overall schematic in the utility model embodiment；

Fig. 2 is the explosive view of double fuel switching mechanism in the utility model embodiment；

Fig. 3 is the cooperation schematic diagram of first gear and second gear in the utility model embodiment；

Fig. 4 is the enlarged drawing of local I V in Fig. 2；

Fig. 5 is the schematic diagram of pedestal in the utility model embodiment；

Fig. 6 is the schematic diagram of knob in the utility model embodiment.

Icon: 100- double fuel switching mechanism；110- pedestal；112- bulge loop；114- slot；118- shaft；119- elasticity Part；120- knob；121- mounting portion；122- inserted block；130- box body；131- first gear；132- cylinder；133- abutting part； 134- second gear；135- connecting hole；136- first switch；137- second switch；138- third switch；140- end cap；150- First fuel valve；The second fuel valve of 160-；162- interconnecting piece.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that the instructions such as term " center ", "inner", "outside" Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts The orientation or positional relationship put, be merely for convenience of description the embodiments of the present invention and simplify description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as Indication or suggestion relative importance.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable Connection, or be integrally connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.

Embodiment

Fig. 1 is 100 overall schematic of double fuel switching mechanism in the utility model embodiment；Fig. 2 is that the utility model is real Apply the explosive view of double fuel switching mechanism 100 in example；Fig. 3 is first gear 131 and the second tooth in the utility model embodiment The cooperation schematic diagram of wheel 134；Fig. 4 is the enlarged drawing of local I V in Fig. 2.Fig. 1 to Fig. 4 is please referred to, the present embodiment provides a kind of double Mechanism can be switched in fuel, is applied to electricity generation system comprising the first fuel valve 150 and the second fuel valve 160, are set pedestal The first gear 131 and second gear 134 for being placed in the knob 120 of pedestal, being rotatablely arranged at pedestal.Knob 120 passes through axis Bar 118 and the first fuel valve 150 are sequentially connected to selectively turn on or close the first fuel valve 150 by rotation. First gear 131 and second gear 134 engage, and first gear 131 is sheathed on shaft 118 and can rotate with shaft 118, the second tooth Wheel 134 and the second fuel valve 160 are sequentially connected；First switch 136 and second switch 137 are arranged at intervals on pedestal 110, the Abutting part 133 is provided on one gear 131, abutting part 133 optionally abuts first switch when rotating with first gear 131 136 or second switch 137, to trigger first switch 136 or second switch 137.

In the present embodiment, first switch 136 can enable power generation in triggering for connecting with generator (not shown) Machine is flame-out；Second switch 137 is for connecting carburetor (not shown), and when generator, which is switched to, to be energized using fuel oil, second is opened Closing 137 can be triggered and start carburetor.Therefore, knob 120 in rotation direction have first position, the second position and The third place.When knob 120 is in first position, first switch 136 is triggered, the first fuel valve 150 and the second fuel valve Door 160 is closed, this seasonal generator is flame-out；When knob 120 is in the second position, second switch 137 is triggered, the first fuel valve 150 (i.e. fuel valves) of door are opened, and carburetor is also started to work, and the second fuel valve 160 is closed, and generator is supplied by fuel oil Energy；When knob 120 is in the third place, first switch 136 and second switch 137 are not triggered, the second fuel valve 160 (i.e. burnt gas valve) is opened, and the first fuel valve 150 is closed, and generator is energized by combustion gas at this time.

Further, knob 120 can be moved relative to pedestal along the rotation axis direction of itself, so that knob 120 can To be pressed；Third switch 138 is additionally provided on pedestal, third switch 138 can be screwed 120 when knob 120 is pressed Triggering.That is, one of fuel valve is opened when knob 120 is threaded to the second position or the third place, press at this time Knob 120, so that third switch 138 is triggered, to open generator, the combustion that generator can be controlled with the fuel valve of unlatching Material carries out operating power generation.Optionally, third switch 138 is connect with a starting motor (not shown), starts motor by opening, Enable starting motor that generator is driven to be operated.After generator starting, fuel is supplied into generator, at this time then without starting electricity Machine continues to run, and knob 120 can be resetted and (be bounced), and generator energizes the power generation that can remain in operation by fuel.In order to enable Knob 120 can automatically reset, and elastic component 119 is arranged between pedestal and knob 120, to be directed away from seat to the offer of knob 120 The movement tendency in body direction.Elastic component 119 is spring in the present embodiment, and spring pocket is set to shaft 118.

Further, pedestal includes box body 130, end cap 140 and pedestal 110, and box body 130 has opening, and the lid of end cap 140 is set In the opening of box body 130.Pedestal 110 is set to 140 outside of end cap, and pedestal 110 has through-hole, the through-hole and end cap 140 of pedestal 110 Outside be collectively formed for knob 120 be embedded in mounting groove 113, therefore, knob 120, which can be embedded in, is set to pedestal 110.At this In embodiment, first gear 131, second gear 134 are all set in box body 130, also have through-hole, shaft 118 on end cap 140 Across end cap 140 and pedestal 110 to connect knob 120 and first gear 131.

Further, the bottom outside of the first fuel valve 150 and the second fuel valve 160 setting and box body 130, box body 130 bottoms are provided with through-hole structure, and shaft 118 passes through through-hole structure and the first fuel valve 150 is sequentially connected；Second fuel valve Door 160 partially protrudes into through-hole structure and second gear 134 is sequentially connected.Specifically, being triggered when knob 120 is threaded to the second position When second switch 137, shaft 118 just drives the first fuel valve 150 to open.The transmission connection of second fuel valve body is in a connection Portion 162, second gear 134 are provided centrally with connecting hole 135, and connecting hole 135 and interconnecting piece 162 cooperate, so that second gear 134 The rotation of interconnecting piece 162 is able to drive to turn on or off the second fuel valve body.In the present embodiment, the section of interconnecting piece 162 For bar shaped, the shape of connecting hole 135 is bar shaped compatible with 162 shape of interconnecting piece.The cross sectional shape of shaft 118 substantially square Shape, first gear 131 are arranged thereon, and can be rotated with shaft 118.First gear 131 has one and is axially set in gear The cylinder 132 of end face, shaft 118 pass through cylinder 132 and first gear 131.Abutting part 133 is set to the outer peripheral surface of cylinder 132, And when with cylinder 132 and the rotation of first gear 131, in different location triggered first switch 136 and second switch 137.

In the present embodiment, first switch 136 and second switch 137 are respectively arranged at the opposite two sides of cylinder 132, That is, the two is 180 ° relative to the angle of circumference at the axis interval of first gear 131.Knob 120 (is used from triggering first switch 136 Make the switch of engine misses) position to triggering second switch 137 (for connecting the switch of carburetor) need to turn over 180 °. In the present embodiment, the interval angles of third switch 138 and first switch 136 and second switch 137 are 90 °.

Further, first switch 136, second switch 137 and third switch 138 are all set in box body 130, and solid Due to the inside of end cap 140, end cap 140 has relief hole, and at least partly third switch 138 stretches out in end cap 140 from relief hole Outside, that is, it extend into mounting groove 113, so that knob 120 can trigger third switch 138 when pressing.

Fig. 5 is the schematic diagram of pedestal 110 in the utility model embodiment；Fig. 6 is knob 120 in the utility model embodiment Schematic diagram.Referring to figure 5. and Fig. 6, knob 120 is just pressed triggering in the position for not rotating to correct gear in order to prevent Third switch 138 (it is impaired to may result in generator).Inserting slot construction is provided on pedestal 110, knob 120 is provided with inserted block knot Structure, when knob 120 is located at the second position or the third place, inserted block structure is inserted into inserting slot construction, so that 120 energy of knob Enough it is pressed；When knob 120 is not located at the second position or the third place, inserted block structure can not be inserted into inserting slot construction, so that Obtaining knob 120 can not be pressed.

Specifically, being provided with a bulge loop 112 along its side in mounting groove 113, there are three slots for setting on bulge loop 112 114, three slots 114 are successively spaced 90 ° of arrangements, and 120 bottom of knob has mounting portion 121, and the side of mounting portion 121 is provided with Two inserted blocks 122 in 90 ° of intervals, mounting portion 121 is only when knob 120 is rotated to the second position and the third place, ability Two inserted blocks 122 of 121 side of mounting portion are enough enabled to be inserted into adjacent in three slots 114 two, knob 120 could quilt at this time It presses.Which prevent knobs 120 to be pressed on improper gear, such as flame-out in first position (flame-out gear) generator When be pressed.

A kind of electricity generation system (not shown) provided by the embodiment of the utility model comprising the first fuels sources (not shown), The double fuel switching mechanism 100 of second fuels sources (not shown), generating set (not shown) and the present embodiment.Generating set packet Generator (not shown) is included, the first fuels sources are connected by the first fuel valve 150 with generator, and the second fuels sources pass through second Fuel valve 160 is connect with generator.Optionally, the first fuels sources are for providing fuel oil, and the second fuels sources are for providing liquefaction Oil gas.First switch 136 connects engine, and when first switch 136 is triggered, generator is flame-out.137 connectionization of second switch Oily device, when second switch 137 is triggered, carburetor is opened.When knob 120 is in first position, first switch 136 is triggered, Generator is flame-out at this time, and knob 120 can not be pressed.When knob 120 is in the second position, second switch 137 is triggered, and presses at this time Lower knob 120, generator then generates electricity by fuel of fuel oil.When knob 120 is in the third place, first switch 136 and Two switches 137 are not triggered, the second fuel valve 160 opening under the screwing of second gear 134, at this time push-turn key 120, Generator carries out operating power generation by fuel of liquefied petroleum gas.

In conclusion the double fuel switching mechanism 100 of the utility model embodiment includes pedestal, is set to the first of pedestal Switch 136 and second switch 137, the first fuel valve, the second fuel valve, the knob 120 for being set to pedestal and it is set to pedestal First gear 131 and second gear 134.Knob 120 is sequentially connected by shaft 118 and the first fuel valve 150 to pass through Rotation selectively turns on or closes the first fuel valve 150.First gear 131 and second gear 134 engage, first gear 131 are sheathed on shaft 118 and can rotate with shaft 118, and second gear 134 and the second fuel valve 160 are sequentially connected；First tooth Abutting part 133 is provided on wheel 131, abutting part 133 optionally abuts first switch 136 when rotating with first gear 131 Or second switch 137, to trigger first switch 136 or second switch 137.Knob 120 in rotation direction have first position, The second position and the third place, when knob 120 is in first position, first switch 136 is triggered, the first fuel valve 150 It is closed with the second fuel valve 160；When knob 120 is in the second position, second switch 137 is triggered, the first fuel valve 150 It is opened, the second fuel valve 160 is closed；When knob 120 is in the third place, first switch 136 and second switch 137 are not It is triggered, the second fuel valve 160 is opened, and the first fuel valve 150 is closed.Therefore by two gears of engagement, can make The switching for obtaining two kinds of fuel is completed by a knob 120, opens different fuel valves when rotation to different location.First Switch 136 and second switch 137 may be used as triggering different equipment, for example control generator is flame-out, opens carburetor etc..

The electricity generation system of the utility model embodiment uses above-mentioned double fuel switching mechanism 100, therefore also has upper The beneficial effect stated.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of double fuel switching mechanism is applied to electricity generation system, characterized in that it comprises:

Pedestal is arranged at intervals with first switch and the second switch on the pedestal；

First fuel valve and the second fuel valve；

It is set to the knob of the pedestal, the knob is sequentially connected by shaft and first fuel valve to pass through rotation Selectively turn on or close first fuel valve；

It is rotatablely arranged at the first gear and second gear of the pedestal, the first gear and the second gear are nibbled It closes, the first gear is sheathed on the shaft and can rotate with the shaft, the second gear and second fuel valve Door transmission connection；Abutting part is provided in the first gear, it is alternative when the abutting part is rotated with the first gear Ground abuts the first switch or the second switch, to trigger the first switch or the second switch；

Wherein, the knob has first position, the second position and the third place in rotation direction, and the knob is in institute When stating first position, the first switch is triggered, and first fuel valve and second fuel valve are closed；The rotation When button is in the second position, the second switch is triggered, and first fuel valve is opened, second fuel valve Door is closed；When the knob is in the third place, the first switch and the second switch are not triggered, and described Two fuel valves are opened, and first fuel valve is closed.

2. double fuel switching mechanism according to claim 1, it is characterised in that:

The knob can be moved relative to the pedestal along the rotation axis direction of itself, so that the knob can be pressed Under；Third switch is additionally provided on the pedestal, the third switch can be touched when the knob is pressed by the knob Hair.

3. double fuel switching mechanism according to claim 2, it is characterised in that:

The pedestal includes box body, end cap and pedestal, and the box body has opening, and the end cap is covered on the spacious of the box body Mouthful, the pedestal is set on the outside of the end cap, and the knob insertion is set to the pedestal；The first gear, described Two gears are all set in the box body, and the shaft passes through the end cap and the pedestal to connect the knob and described First gear.

4. double fuel switching mechanism according to claim 3, it is characterised in that:

The bottom outside of first fuel valve and second fuel valve setting and the box body, the box body bottom is set It is equipped with through-hole structure, the shaft passes through the through-hole structure and first fuel valve is sequentially connected；Second fuel Valve portion protrudes into the through-hole structure and the second gear is sequentially connected.

5. double fuel switching mechanism according to claim 4, it is characterised in that:

The first switch and the second switch are all set in the box body, and the end cap has relief hole, at least partly Third switch stretches out in outside the end cap from the relief hole, so that the knob can trigger described the when pressing Three switches.

6. double fuel switching mechanism according to claim 2, it is characterised in that:

It is provided with elastic component between the knob and the pedestal, to be directed away from the pedestal direction to knob offer Movement tendency.

7. double fuel switching mechanism according to claim 1, it is characterised in that:

Second fuel valve body is sequentially connected in an interconnecting piece, and the second gear is provided centrally with connecting hole, the connecting hole with The interconnecting piece cooperation, so that the second gear is able to drive the interconnecting piece rotation to turn on or off second combustion Expect valve body.

8. double fuel switching mechanism according to claim 3, it is characterised in that:

Inserting slot construction is provided on the pedestal, the knob is provided with inserted block structure, when the knob is located at the second It sets or when the third place, the inserted block structure is inserted into the inserting slot construction, so that the knob can be pressed； When the knob is not located at the second position or the third place, the inserted block structure can not be inserted into the slot knot Structure, so that the knob can not be pressed.

9. a kind of electricity generation system, characterized in that it comprises:

First fuels sources and the second fuels sources；

Generating set, the generating set include generator；And

Such as double fuel switching mechanism of any of claims 1-8, first fuels sources pass through first fuel Valve is connected with the generator, and second fuels sources are connect by second fuel valve with the generator.

10. electricity generation system according to claim 9, it is characterised in that:

The first switch connects the generator, and when the first switch is triggered, the generator is flame-out；

The second switch connects carburetor, and when the second switch is triggered, the carburetor is opened.