CN209414146U - A kind of scroll plate component and screw compressor - Google Patents
A kind of scroll plate component and screw compressor Download PDFInfo
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- CN209414146U CN209414146U CN201821915676.3U CN201821915676U CN209414146U CN 209414146 U CN209414146 U CN 209414146U CN 201821915676 U CN201821915676 U CN 201821915676U CN 209414146 U CN209414146 U CN 209414146U
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Abstract
The utility model relates to Compressor Technology fields, and in particular to a kind of scroll plate component and screw compressor.Scroll plate component provided by the present application includes orbiter, fixed scroll and pressure relief mechanism, compression chamber is formed between scroll wrap on the orbiter and the fixed scroll, the fixed scroll is equipped with increasing enthalpy channel and relief hole, the increasing enthalpy channel is connected to the compression chamber, and the relief hole is connected to by the increasing enthalpy channel with the compression chamber；Scroll plate component provided by the present application eliminates the pressure release pore structure being directly connected to compression chamber, by relief hole structure setting on increasing enthalpy channel, reduce harmful volume of relief hole, promote compressor efficiency, relief hole and Gas-supplying enthalpy-increasing position consistency, when mending gas carrying liquid situation lower pump body pressure anomaly and rising, timely pressure release, improves pump housing scroll wrap reliability.
Description
Technical field
The utility model relates to screw compressor technical fields, and in particular to a kind of scroll plate component and screw compressor.
Background technique
In order to promote the heat capacity of heat pump system under low temperature environment and realize that ultralow temperature quickly heats, increasing enthalpy scroll compression
Contracting machine is just being widely used in the various heat pump systems such as multiplex system, freezing and refrigeration and on-board air conditioner.Along with people couple
The promotion of energy conservation and environmental awareness, efficient heat pump system are increasingly becoming the leader in market.A kind of increasing as quasi- two-stage compression
Enthalpy screw compressor technology, middle compression refrigerant directly pass through increasing enthalpy pipeline and enter in compression chamber, in compression chamber and high-temperature refrigeration
Agent mixing compression, realizes the cooling effect to compressor chamber.
Low-temperature low-pressure refrigerant in flash evaporation or economizer is introduced directly into the pressure under compressive state by vortex increasing enthalpy technology
Contracting chamber has the characteristics that more efficient reliable.Theoretically, if wanting to obtain optimal increasing enthalpy tonifying Qi effect, different operating conditions are corresponding different
Best increasing enthalpy tonifying Qi position, tonifying Qi positional structure should adjust accordingly with operating condition.But it can only be used in production application a certain
Fixed tonifying Qi position meets nominal design operating condition, is unable to satisfy optimal tonifying Qi Position Design for other operating conditions.
On the other hand, overcompression in order to prevent needs compression position setting relief hole different on compression chamber to avoid mistake
Compression losses.Although design scheme by the way that relief hole is arranged on compression chamber can be well solved overcompression situation, but past
Multipair relief hole is set to meet pressure release demand toward needing to pass through, and relief hole volume itself is harmful volume, relief hole itself
High pressure gas is accommodated in channel, there are high-pressure refrigerants in relief hole when relief hole is connected to low pressure compression chamber with the compression chamber period
Intraluminal inflation is compressed to low pressure, brings repeated compression power consumption, especially for small displacement compressors, such as vehicle mounted electric compressor,
Repeated compression power consumption accounting in this relief hole is big, brings again when seriously affecting compressor power consumption, but cancelling relief hole
Compression damage.
Utility model content
(1) the technical problem to be solved by the utility model is to needing to be arranged in compression chamber on existing compressor multiple
Relief hole carrys out pressure release, and the internal volume of relief hole itself is harmful volume, and the efficiency that will lead to compressor reduces.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of scroll plate component, including orbiter, quiet whirlpool
Capstan and pressure relief mechanism form compression chamber, the quiet vortex between the scroll wrap on the orbiter and the fixed scroll
Disk is equipped with increasing enthalpy channel and relief hole, and the increasing enthalpy channel is connected to the compression chamber, and the relief hole passes through the increasing enthalpy
Channel is connected to the compression chamber, and the pressure relief mechanism is arranged at the relief hole, is used to open the closure relief hole.
One embodiment according to the present utility model, the relief hole have opposite first port and second port, institute
It states first port to be connected to the increasing enthalpy channel, the second port is connected to ambient atmosphere.
One embodiment according to the present utility model, the pressure relief mechanism include pressure release valve block, pressure release valve block one end
It is fixedly connected with the fixed scroll, the other end can open or close the second port around fixing end.
One embodiment according to the present utility model, the pressure relief mechanism further include pressure release baffle and pressure release screw, described
Pressure release baffle is pressed together on the relief valve on piece, the pressure release screw sequentially pass through pressure release baffle and pressure release valve block with it is described quiet
Scroll plate connection.
One embodiment according to the present utility model, the pressure relief mechanism include closeouts, include in the relief hole with
The first passage and second channel connected with the second port of first port connection, the first passage and second channel are logical
Ferry connection was crossed, the closeouts are for blocking or opening the ferry excessively.
One embodiment according to the present utility model, the pressure relief mechanism further include pressure release spring and lead to set on described second
One end of limiting section in road, the pressure release spring is abutted with the closeouts, and the other end is connected on the limiting section.
One embodiment according to the present utility model, the closeouts are ball sealer, and the outer diameter of the ball sealer is less than institute
The internal diameter of second channel is stated, and is greater than the internal diameter of the first passage.
One embodiment according to the present utility model, the scroll plate component further include the increasing in the increasing enthalpy channel
Enthalpy non-return mechanism, the increasing enthalpy channel include the first cavity and the second cavity, and second cavity is connected to the compression chamber, institute
It states relief hole to be connected to second cavity, first cavity is unidirectionally led by increasing enthalpy non-return mechanism with second cavity
It is logical.
One embodiment according to the present utility model, the increasing enthalpy non-return mechanism include elastic component, non-return valve block and upper gear
Plate；
The overhead gage is fixed in first cavity, and first through hole is equipped in the middle part of the overhead gage, and described first is logical
Hole is connected to second cavity, and the elastic component and the non-return valve block are set in the second cavity, and the elastic component is for being
The non-return valve block provides a precompression, so that the non-return valve block covers the first through hole and connect with second cavity
One end.
One embodiment according to the present utility model, the overhead gage include fixed part and discoid sealing, described
Fixed part is set on the sealing, and the inner sidewall of the outside wall surface of the sealing and first cavity is interference fitted, described
First through hole is provided on sealing；In in second cavity, the fixed part limits one and is used for the fixed position
The sliding channel of the non-return valve block sliding, the sliding channel are equipped with the intercommunicating pore being connected to second cavity.
One embodiment according to the present utility model, the cross sectional shape and the non-return valve block outer edge in the sliding channel
Cross sectional shape it is identical.
One embodiment according to the present utility model, the sealing is equipped with multiple fixed parts, multiple described solid
Determine the setting of portion interval and limit the sliding channel jointly, forms the intercommunicating pore between the two neighboring fixed part.
One embodiment according to the present utility model, the increasing enthalpy non-return mechanism further include under being set in second cavity
Baffle, the lower baffle plate are equipped with the second through-hole being connected to second cavity and compression chamber.
One embodiment according to the present utility model, the lower baffle plate include mounting leg and fixing end, the installation branch
Foot is fixedly connected in second cavity, and the fixing end is mounted on the mounting leg.
One embodiment according to the present utility model, the elastic component be the check spring, the one of the check spring
End is socketed in the outside of the fixing end and offsets with the mounting leg, the other end of the check spring and the check-valves
Piece abuts.
One embodiment according to the present utility model, the mounting leg be equipped with multiple mounting portions, the mounting portion with
Second cavity inner wall is interference fitted, and is formed between the two neighboring mounting portion open.
One embodiment according to the present utility model, the fixing end is cylindrical, and second through-hole is through described solid
Determine portion and the mounting leg.
One embodiment according to the present utility model, the fixed scroll are equipped with increasing enthalpy hole, and the increasing enthalpy channel passes through
The increasing enthalpy hole is connected to the compression chamber.
One embodiment according to the present utility model, the orbiter are equipped with the connection being connected to the increasing enthalpy hole
Slot.
One embodiment according to the present utility model, the connectivity slot are provided in the scroll wrap of the orbiter.
One embodiment according to the present utility model, opens up that there are two the connections in the scroll wrap on the dynamic vortex chassis
Slot.
The utility model additionally provides a kind of screw compressor, including scroll plate component described in any of the above embodiments.
The utility model has the beneficial effects that scroll plate component provided by the present application, including orbiter, fixed scroll and let out
Press mechanism forms compression chamber between the scroll wrap on the orbiter and the fixed scroll, and the fixed scroll is equipped with
Increasing enthalpy channel and relief hole, the increasing enthalpy channel are connected to the compression chamber, and the relief hole passes through the increasing enthalpy channel and institute
State compression chamber connection；Scroll plate component provided by the present application eliminates the pressure release pore structure being directly connected to compression chamber, by pressure release
Pore structure is arranged on increasing enthalpy channel, reduces harmful volume of relief hole, promotes compressor efficiency, relief hole and Gas-supplying enthalpy-increasing
Position consistency, when mending gas carrying liquid situation lower pump body pressure anomaly and rising, timely pressure release, improves pump housing scroll wrap reliability.
Detailed description of the invention
The advantages of the utility model is above-mentioned and/or additional aspect is from the description of the embodiment in conjunction with the following figures by change
Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross-sectional view of the screw compressor provided by the present application；
Fig. 2 is the structural schematic diagram of pressure relief described in the application one embodiment；
Fig. 3 is the perspective view of pressure relief mechanism described in the application one embodiment；
Fig. 4 is the structural schematic diagram of orbiter；
Fig. 5 is the structural schematic diagram of overhead gage；
Fig. 6 is the structural schematic diagram of lower baffle plate；
Fig. 7 is the structural schematic diagram of scroll plate component in the prior art；
Fig. 8 is the structural schematic diagram under herein described scroll plate component first job state；
Fig. 9 is the structural schematic diagram under second working condition of herein described scroll plate component；
Figure 10 is the structural schematic diagram under herein described scroll plate component third working condition；
Figure 11 is the structural schematic diagram under the 4th working condition of herein described scroll plate component；
Figure 12 is the structural schematic diagram of scroll plate component described in another embodiment of the application；
Figure 13 is the portion the A enlarged drawing of Figure 12.
Wherein corresponding relationship of the Fig. 1 into Figure 13 between appended drawing reference and component names are as follows:
1, screw compressor, 11, orbiter, 111, connectivity slot, 112, scroll wrap, 113, increasing enthalpy hole, 12, quiet vortex
Disk, 121, increasing enthalpy channel, the 1211, first cavity, the 1212, second cavity, 122, relief hole, 1221, pressure release baffle, 1222, let out
Pressure valve piece, 1223, pressure release screw, 1224, first passage, 1225, second channel, 1226, pressure release spring, 1227, ball sealer,
1228, limiting section, 1229, mistake ferry, 123, overhead gage, 1231, first through hole, 1232, fixed part, 1233, sealing,
1234, sliding channel, 1235, intercommunicating pore, 124, lower baffle plate, the 1241, second through-hole, 1242, mounting leg, 1243, fixing end,
1244, mounting portion, 1245, open, 125, non-return valve block, 126, check spring, 13, compression chamber, 14, casing, 141, driving electricity
Machine, 142, crankshaft, 143, base bearing, 144, supplementary bearing, 145, cam pin, 146, eccentric bushing, 147, driving bearing, 148, sealing
Axle envelope, 149, main balance weight, 1401, secondary balance weight, 1402, upper bracket, 15, upper cover.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
As shown in figure 1 to figure 13, the utility model provides a kind of scroll plate component, including orbiter 11, quiet vortex
Disk 12 and pressure relief mechanism form compression chamber 13, institute between the scroll wrap 112 on the orbiter 11 and the fixed scroll 12
Fixed scroll 12 is stated equipped with increasing enthalpy channel 121 and relief hole 122, the increasing enthalpy channel 121 is connected to the compression chamber 13, institute
It states relief hole 122 and is connected to by the increasing enthalpy channel 121 with the compression chamber 13, the pressure relief mechanism is arranged in the relief hole
At 122, it was used to open the closure relief hole 122.
Scroll plate component provided by the present application, including orbiter 11, fixed scroll 12 and pressure relief mechanism, the dynamic vortex
Compression chamber 13 is formed between scroll wrap 112 on disk 11 and the fixed scroll 12, the fixed scroll 12 is logical equipped with increasing enthalpy
Road 121 and relief hole 122, the increasing enthalpy channel 121 are connected to the compression chamber 13, and the relief hole 122 passes through the increasing enthalpy
Channel 121 is connected to the compression chamber 13；Scroll plate component provided by the present application, which eliminates, directly to be let out with what compression chamber 13 was connected to
Pressure 122 structure of hole reduces harmful volume of relief hole 122 by 122 structure setting of relief hole on increasing enthalpy channel 121, is promoted
Compressor efficiency, relief hole 122 and Gas-supplying enthalpy-increasing position consistency, it is timely when mending gas carrying liquid situation lower pump body pressure anomaly and rising
Pressure release improves 112 reliability of pump housing scroll wrap.
As shown in Fig. 2, Figure 12 and Figure 13, the relief hole 122 has opposite a first port and second port, and described the
Single port is connected to the increasing enthalpy channel 121, and the second port is connected to ambient atmosphere, the vortex on such orbiter 11
The compression chamber 13 formed between scroll wrap 112 on tooth 112 and fixed scroll 12 is connected to by increasing enthalpy channel 121 with first port,
Then the second port of relief hole 122 is connected to ambient atmosphere, to realize the pressure release of compression chamber 13.
One embodiment according to the present utility model, as shown in Figures 2 and 3, the pressure relief mechanism include pressure release valve block
1222, described 1222 one end of pressure release valve block is fixedly connected with the fixed scroll 12, and the other end can be opened around fixing end 1243
Or the second port is closed, one end of the pressure release valve block 1222 is fixedly connected with the fixed scroll 12 under normal condition,
The other end can close the second port, when pressure increases in compression chamber 13, pass through increasing enthalpy channel 121 and relief hole 122
Pressure is passed into pressure release valve block 1222, the movable end of pressure release valve block 1222 opens the second port, at this time compression chamber 13
The compressed gas with pressure can be drained into ambient atmosphere by increasing enthalpy channel 121, relief hole 122, to realize pressure release；Wherein institute
The second port for stating relief hole 122 is connected to the exhaust gas region at 12 back side of fixed scroll.
As shown in Figures 2 and 3, the pressure relief mechanism further includes pressure release baffle 1221 and pressure release screw 1223, the pressure release
Baffle 1221 is pressed together on the pressure release valve block 1222, and the pressure release screw 1223 sequentially passes through pressure release baffle 1221 and pressure release
Valve block 1222 is connect with the fixed scroll 12, can be preferably to pressure release valve block by pressure release screw 1223 and the baffle
1222 are fixed, while can also limit to the open angle of the pressure release valve block 1222.
Another embodiment according to the present utility model, as shown in Figure 12 and Figure 13, the pressure relief mechanism includes closeouts,
It include the first passage 1224 and second channel connected with the second port being connected to first port in the relief hole 122
1225, the first passage 1224 passed through ferry 1229 with second channel 1225 and was connected to, and the closeouts are for blocking or beating
Open the ferry 1229 excessively；The connection or disconnection between first passage 1224 and second channel 1225 are realized by closeouts
Switching, and then realize compression chamber 13 pressure release work.
As shown in Figure 12 and Figure 13, the pressure relief mechanism further include pressure release spring 1226 and be set to the second channel 1225
One end of interior limiting section 1228, the pressure release spring 1226 is abutted with the closeouts, and the other end is connected to the limiting section
On 1228, the closeouts are ball sealer 1227, and the outer diameter of the ball sealer 1227 is less than the internal diameter of the second channel 1225,
And it is greater than the internal diameter of the first passage 1224；In this way when compression chamber 13 does not have pressure release, pressure release spring 1226 is in compression shape
State applies pressure for ball sealer 1227, and ball sealer 1227 blocks connection first passage 1224 and second channel 1225
Ferry 1229 is crossed, and then cuts off the connection of ambient atmosphere and compression chamber 13；When pressure increase needs pressure release in compression chamber 13, pressure
Pressure in contracting chamber 13 overcomes the elastic force of pressure release spring 1226, and ball sealer 1227 opens the ferry 1229 excessively at this time, and first is logical
Road 1224 passed through ferry 1229 with second channel 1225 and was connected to, and the pressure in compression chamber 13 can pass through increasing enthalpy channel at this time
121 and relief hole 122 be discharged outside in atmosphere, realize compression chamber 13 pressure release；Preferably, ball sealer described herein
1227 be steel ball.
Pressure relief mechanism described in the above embodiments of the present application is connected to increasing enthalpy channel 121, cancels other pressure releases on the pump housing
122 structure of hole reduces harmful volume of relief hole 122 by 122 structure setting of relief hole on increasing enthalpy channel 121, promotes pressure
Contracting engine efficiency.Relief hole 122 and Gas-supplying enthalpy-increasing position consistency are let out in time when mending gas carrying liquid situation lower pump body pressure anomaly and rising
Pressure improves 112 reliability of pump housing scroll wrap
As shown in Fig. 2, Figure 12 and Figure 13, the scroll plate component further includes the increasing enthalpy in the increasing enthalpy channel 121
Non-return mechanism, the increasing enthalpy channel 121 include the first cavity 1211 and the second cavity 1212, second cavity 1212 with it is described
Compression chamber 13 is connected to, and the relief hole 122 is connected to second cavity 1212, and first cavity 1211 passes through increasing enthalpy non-return
Mechanism and 1212 one-way conduction of the second cavity: the increasing enthalpy non-return mechanism includes elastic component, non-return valve block 125 and overhead gage
123；The overhead gage 123 is fixed in first cavity 1211, and first through hole 1231 is equipped in the middle part of the overhead gage 123,
The first through hole 1231 is connected to second cavity 1212, and the elastic component and the non-return valve block 125 are set to the second chamber
In body 1212, the elastic component is used to provide a precompression for the non-return valve block 125, so that the non-return valve block 125 covers
Cover one end that the first through hole 1231 is connect with second cavity 1212.
As shown in figure 5, the overhead gage 123 includes fixed part 1232 and discoid sealing 1233, the fixed part
1232 are set on the sealing 1233, the inner sidewall interference of the outside wall surface of the sealing 1233 and first cavity 1211
Cooperation had not only secured the installation site of overhead gage 123 but also had been able to cooperate the sealing that non-return valve block 125 realizes baffle two sides access, led to
It crosses matching allowance and length of fit size obtains safe and reliable sealing performance, the first through hole 1231 is provided with sealing
On 1233；The fixed part 1232 is located in second cavity 1212, and the fixed part 1232 limits one for described
The sliding channel 1234 that non-return valve block 125 slides, the sliding channel 1234, which is equipped with, to be connected to second cavity 1212
Intercommunicating pore 1235, the non-return valve block 125 can be slided in sliding channel 1234, be toppled stuck, while opening and can prevent institute
State the disengaging of 125 play of non-return valve block.
As shown in figure 5, the cross sectional shape and the outer peripheral cross sectional shape of the non-return valve block 125 in the sliding channel 1234
It is identical；Preferably, the non-return valve block 125 is circular ring shape, therefore the cross sectional shape in the sliding channel 1234 is cylindric, wherein
As shown in figure 5, the sealing 1233 is equipped with multiple fixed parts 1232, the multiple interval of fixed part 1232 settings are altogether
With the sliding channel 1234 is limited, the intercommunicating pore 1235 is formed between the two neighboring fixed part 1232.
Certainly, the fixed part 1232 is also possible to the upper cylinder for being set to the sealing 1233 in the present embodiment
Shape structure, while the intercommunicating pore 1235 is offered on the cylindric fixed part 1232, to realize the circulation of gas.When need
When wanting tonifying Qi, gas blows the non-return valve block 125 from first through hole 1231 and opens, and then passes through intercommunicating pore 1235 and the second chamber
Body 1212 is connected to, and the second cavity 1212 is connected to compression chamber 13, and then realizes the tonifying Qi of compression chamber 13.
As shown in fig. 6, the increasing enthalpy non-return mechanism further includes being set to lower baffle plate 124 in second cavity 1212, it is described
Lower baffle plate 124 is equipped with the second through-hole 1241 being connected to second cavity 1212 and 13 body of compression chamber；Into the second cavity
Gas in 1212 is connected to by the second through-hole 1241 with the compression chamber 13, realizes the tonifying Qi of compression chamber 13.
As shown in fig. 6, the lower baffle plate 124 includes mounting leg 1242 and fixing end 1243, the mounting leg 1242
It is fixedly connected in second cavity 1212, the fixing end 1243 is mounted on the mounting leg 1242, lower baffle plate 124
It is fixed in second cavity 1212 by mounting leg 1242；The mounting leg 1242 is equipped with multiple mounting portions
1244, the mounting portion 1244 is interference fitted with 1212 inner wall of the second cavity, between the two neighboring mounting portion 1244
Opening 1245 is formed, consolidating for lower baffle plate 124 is realized by the interference fit between 1212 inner wall of mounting portion 1244 and the second cavity
Fixed, certainly, the mode that the mounting portion 1244 on the lower baffle plate 124 is also possible to be connected through a screw thread in this application is second
In cavity 1212, the mounting portion 1244 on 124 mounting leg 1242 of lower baffle plate is still interval setting, between two mounting portions 1244
The opening 1245 of periphery is formed, the fixing end 1243 on lower baffle plate 124 can limit the distance of the sliding of non-return valve block 125, prevent
Non-return valve block 125 is detached from the sliding channel 1234；Optionally the elastic component is the check spring 126, the non-return bullet
One end of spring 126 is socketed in the outside of the fixing end 1243 and offsets with the mounting leg 1242, to limit the non-return
Spring 126 moves radially, and the other end of the check spring 126 is abutted with the non-return valve block 125, to give the check-valves
Piece 125 provides a precompression, and the non-return valve block 125 is made to close the first through hole 1231 in the initial state, cutting the
The connection of one through-hole 1231 and the second cavity 1212 does not carry out tonifying Qi to compression chamber 13.As shown in fig. 6, the fixing end 1243
Cylindrical, second through-hole 1241 runs through the fixed part 1232 and the mounting leg 1242.
It is equipped with increasing enthalpy non-return mechanism in increasing enthalpy channel 121 provided by the present application, relief hole 122 is connected to increasing enthalpy channel 121,
Prevent compression chamber 13 inner refrigerant adverse current into external increasing enthalpy air supply passage, in the increasing enthalpy channel 121 for being provided with non-return structure
It is provided with pressure relief mechanism, pressure relief mechanism is connected to compression chamber 13 and pump housing exhaust gas region, when pressure is higher than external row in compression chamber 13
When gas region, 13 inner refrigerant of compression chamber passes through pressure relief mechanism pressure release to exhaust gas region.
As shown in Fig. 2, the fixed scroll 12 is equipped with increasing enthalpy hole 113, the increasing enthalpy channel 121 passes through the increasing enthalpy hole
113 are connected to the compression chamber 13, and the relief hole 122 is connected by increasing enthalpy channel 121 and the increasing enthalpy hole 113 and compression chamber 13
It is logical；To realize the pressure release of compression chamber 13.
As shown in Fig. 4 and Fig. 8 to Figure 11, the orbiter 11 is equipped with the connectivity slot being connected to the increasing enthalpy hole 113
111；The connectivity slot 111 is provided in the scroll wrap 112 of the orbiter 11；Preferably, the whirlpool on the dynamic vortex chassis
The connectivity slot 111 there are two being opened up on rotation tooth 112.Connectivity slot 111 is opened up in 11 scroll wrap of orbiter, 112 tooth top position,
It obtains connectivity slot 111 and 12 increasing enthalpy hole 113 of fixed scroll is intermittent communicated, intermittent communicated feature are as follows: 11 scroll wrap 112 of orbiter
It is not yet closed completely before increasing enthalpy hole 113 to increasing enthalpy hole 113 and be connected under angle of revolution of the compression chamber 13 within the scope of this again, dynamic whirlpool
It revolves 112 inverted draw cut of tooth and is connected to increasing enthalpy hole 113, increasing enthalpy hole 113 is connected to other compression chamber 13.
It is illustrated in figure 7 intercommunicating pore 1235 in prior art pump housing compression chamber 13, prior art compressor in order to prevent
Overcompression needs to open up relief hole 122 in 13 different location of compression chamber, and this kind of relief hole 122 is directly provided with quiet in the prior art
Directly be connected to compression chamber 13 on 12 substrate of scroll plate, as shown in fig. 7, the pump housing inside and outside open up on compression chamber 13 before relief hole 122
With rear relief hole 122；Relief hole 122 on the pump housing is provided on 12 substrate of fixed scroll through substrate, in order to meet pump housing pressure
The structural strength of contracting chamber 13, substrate thickness is in 10mm or more, and 122 aperture of relief hole is generally 3-4mm, and relief hole 122 has
Evil volume is up to 0.5CM3, for the vortex compressor of automobile 110cc of small displacement, harmful volume accounting of this kind of relief hole 122
Up to 5% or more, compressor efficiency is seriously affected.Explain for harmful volume in relief hole 122: screw compressor 1 is logical
12 molded line period of 11 type wound fixed scroll of orbiter rotary motion is crossed, a series of compression chambers 13 are formed, due to being periodically
It is formed, 13 pressure of compression chamber of hole connection can be increasingly compressed to high pressure from low pressure on the pump housing, and after completing a cycle, the pump housing is vortexed
Tooth 112 covers this kind of relief hole 122, is second press cycles, pressure at this time when relief hole 122 is connected to compression chamber 13 again
Contracting chamber 13 is lower pressure, and the high-pressure refrigerant at the end of a upper press cycles can have the interior of relief hole 122, then, even
This partial high pressure generates expansion when logical lower pressure, and the refrigerant in this part relief hole 122 can not be discharged always, deposit always
--- expansion --- recompression is compressed in compression chamber 13, and compression power consumption is caused to rise.So being minimized in design this kind of
The volume in hole.
As shown in Figs. 8 to 11, the increasing on fixed scroll 12 is cooperated by the connectivity slot 111 opened up on dynamic vortex tooth 112
Enthalpy hole 113, since orbiter 11 makees rotary motion around fixed scroll 12, so connectivity slot 111 on orbiter 11 also around
Rotary motion is done in increasing enthalpy hole 113 on fixed scroll 12, in one week compression rotary motion, using in corresponding orbiter 11
11 connectivity slot 111 of orbiter in the compression angle of revolution of slot satisfaction design is opened up on tooth top position to be connected to increasing enthalpy hole 113,
He is staggered at angle.Connection breaking in this way between the connectivity slot 111 and increasing enthalpy hole 113 of orbiter 11 is made by the connection of connectivity slot 111
It is connected to the compression chamber 13 for being connected to connectivity slot 111 with increasing enthalpy hole 113, when increasing connection of the compression chamber 13 with increasing enthalpy hole 113
Between, maximum can be connected to 360 degree, realize the different tonifying Qi end positions met under different operating conditions under maximum angle.
Fig. 8 to Figure 11 is respectively structural schematic diagram of the scroll plate component described herein under four working conditions；Such as
Shown in Fig. 8, orbiter 11 makees turning anticlockwise movement around fixed scroll 12, and increasing enthalpy hole 113 is connected to pump body compression chamber 13, this
Although when be connected to, increasing enthalpy hole 113 is connected to the connection area very little of compression chamber 13, passes through 11 tooth top of orbiter and connects
Through slot 111 is connected to other side compression chamber 13, and increasing enthalpy hole 113 is connected to two sides compression chamber 13 at this time, and two sides compression chamber 13 is with isobaric
Compression chamber 13 under power.As shown in figure 9, orbiter 11 continues to return back to, the increasing enthalpy hole 113 on fixed scroll 12 has been at this time
112 tooth top of scroll wrap in completely passive scroll plate 11 is covered, but passes through the connectivity slot 111 on orbiter 11, quiet vortex
Disk 12 continues to be connected to compression chamber 13, by the connectivity slot 111 on orbiter 11,11 scroll wrap 112 of orbiter not yet
It is closed completely before increasing enthalpy hole 113 to increasing enthalpy hole 113 and is connected under angle of revolution of the compression chamber 13 within the scope of this again, dynamic vortex tooth
112 inverted draw cuts are connected to increasing enthalpy hole 113, and increasing enthalpy hole 113 be connected to other compression chamber 13, increase increasing enthalpy hole 113 and compression chamber 13 it
Between connection angular range (maximum 360 degree).As shown in Figure 10 and Fig. 1, orbiter 11 continues to turn round, at this time fixed scroll 12
When increasing enthalpy hole 113 is connected to compression chamber 13 again, 11 connectivity slot 111 of orbiter is closed with 12 increasing enthalpy hole 113 of fixed scroll.
As shown in Figure 1, the utility model additionally provides a kind of screw compressor 1, including upper cover 15, casing 14, driving electricity
Scroll plate component described in machine 141, upper bracket 1402 and any of the above-described embodiment forms one between the upper cover 15 and casing 14
A installation cavity, the driving motor 141,1402 scroll plate component of upper bracket are set in the installation cavity, as shown in Figure 1, this
Screw compressor 1 described in embodiment is 1 structure of Horizontal type vehicle-mounted enthalpy-increasing scroll compressor, and screw compressor 1 is also possible to apply
In traditional vertical enthalpy-increasing scroll compressor 1, therefore, saying for the utility model feature application vector is only carried out with a kind of scheme
It is bright.
As shown in Figure 1, the driving motor 141 is set in casing 14, driving motor 141 drives crankshaft 142 to rotate, crankshaft
142 what circumferential radial constraint carried out by supplementary bearing 144 and base bearing 143, guarantees the concentricity of compressor shafting, crankshaft 142
Driving end drives orbiter 11 to do revolution around fixed scroll 12 and moves back and forth by flexible excentric sleeve.Then by fixed scroll
12 and orbiter 11 constitute 13 volume of compression chamber occur periodically increase reduce, formed compression refrigerant compression chamber 13
Body, to complete continuously to the refrigerant compression being inhaled into compression chamber 13.The screw compressor 1 of the utility model is also
Including that 13 Gas-supplying enthalpy-increasing structure of compression chamber and the increasing enthalpy non-return mechanism of 13 inner refrigerant adverse current of compression chamber can be prevented and opened up
Pressure relief mechanism in increasing enthalpy access, wherein increasing enthalpy non-return mechanism is arranged in the increasing enthalpy access inside compressor, in order to obtain
Better non-return effect, increasing enthalpy non-return component is positioned close in the increasing enthalpy access of pump body compression chamber 13 to obtain optimal pressure
Contracting performance, as shown in Figure 1, increasing enthalpy non-return mechanism is arranged in the substrate of fixed scroll 12.The upper cover 15 and the quiet whirlpool
Capstan 12 is fixedly connected, and the main balance weight 149 and secondary balance weight 1401 are rotated for balance crankshaft 142, the upper bracket
1402 are used for fixed scroll component, and the driving bearing 147 is fixed on the orbiter 11, and the crankshaft 142 passes through
Driving bearing 147 on cam pin 145 and eccentric bushing 146 and the orbiter 11 cooperates, and in the crankshaft 142 and described
It is additionally provided with sealing gland seal 148 and base bearing 143 between upper bracket 1402, one of orbiter 11 described in 142 principle of crankshaft
End is connect with the supplementary bearing 144 on casing 14.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be direct connection, can also by intermediary indirect communication,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (22)
1. a kind of scroll plate component, it is characterised in that: including orbiter, fixed scroll and pressure relief mechanism, the orbiter
On scroll wrap and the fixed scroll on scroll wrap between form compression chamber, the fixed scroll be equipped with increasing enthalpy channel and
Relief hole, the increasing enthalpy channel are connected to the compression chamber, and the relief hole is connected by the increasing enthalpy channel and the compression chamber
Logical, the pressure relief mechanism is arranged at the relief hole, is used to open the closure relief hole.
2. scroll plate component according to claim 1, it is characterised in that: the relief hole have opposite first port and
Second port, the first port are connected to the increasing enthalpy channel, and the second port is connected to ambient atmosphere.
3. scroll plate component according to claim 2, it is characterised in that: the pressure relief mechanism includes pressure release valve block, described
Pressure release valve block one end is fixedly connected with the fixed scroll, and the other end can open or close the second port around fixing end.
4. scroll plate component according to claim 3, it is characterised in that: the pressure relief mechanism further includes pressure release baffle and lets out
Screw is pressed, the pressure release baffle is pressed together on the relief valve on piece, and the pressure release screw sequentially passes through pressure release baffle and relief valve
Piece is connect with the fixed scroll.
5. scroll plate component according to claim 2, it is characterised in that: the pressure relief mechanism includes closeouts, described to let out
Pressure hole includes first passage be connected to first port and second channel connected with the second port, the first passage with
Second channel passed through ferry connection, and the closeouts are for blocking or opening the ferry excessively.
6. scroll plate component according to claim 5, it is characterised in that: the pressure relief mechanism further includes pressure release spring and sets
One end of limiting section in the second channel, the pressure release spring is abutted with the closeouts, and the other end is connected to described
On limiting section.
7. scroll plate component according to claim 5, it is characterised in that: the closeouts are ball sealer, the ball sealer
Outer diameter be less than the second channel internal diameter, and be greater than the first passage internal diameter.
8. scroll plate component according to any one of claims 1 to 7, it is characterised in that: the scroll plate component further includes
Increasing enthalpy non-return mechanism in the increasing enthalpy channel, the increasing enthalpy channel include the first cavity and the second cavity, described second
Cavity is connected to the compression chamber, and the relief hole is connected to second cavity, and first cavity passes through increasing enthalpy non-return machine
Structure and the second cavity one-way conduction.
9. scroll plate component according to claim 8, it is characterised in that: the increasing enthalpy non-return mechanism includes elastic component, stops
Return valve block and overhead gage；
The overhead gage is fixed in first cavity, is equipped with first through hole in the middle part of the overhead gage, the first through hole with
The second cavity connection, the elastic component and the non-return valve block are set in the second cavity, and the elastic component is for being described
Non-return valve block provides a precompression, so that the non-return valve block covers one that the first through hole is connect with second cavity
End.
10. scroll plate component according to claim 9, it is characterised in that: the overhead gage includes fixed part and discoid
Sealing, the fixed part be set to the sealing on, the inner sidewall of the outside wall surface of the sealing and first cavity
Interference fit, the first through hole are provided on sealing；In in second cavity, the fixed part limits the fixed position
A sliding channel for non-return valve block sliding is made, the sliding channel, which is equipped with, to be connected to second cavity
Intercommunicating pore.
11. scroll plate component according to claim 10, it is characterised in that: it is described sliding channel cross sectional shape with it is described
The outer peripheral cross sectional shape of non-return valve block is identical.
12. scroll plate component according to claim 10, it is characterised in that: the sealing is equipped with multiple fixations
Portion, multiple fixed part interval settings limit the sliding channel jointly, form institute between the two neighboring fixed part
State intercommunicating pore.
13. scroll plate component according to claim 10, it is characterised in that: the increasing enthalpy non-return mechanism further includes being set to institute
The intracorporal lower baffle plate of the second chamber is stated, it is logical that the lower baffle plate is equipped with second be connected to respectively with second cavity and compression chamber
Hole.
14. scroll plate component according to claim 13, it is characterised in that: the lower baffle plate includes mounting leg and fixation
End, the mounting leg are fixedly connected in second cavity, and the fixing end is mounted on the mounting leg.
15. scroll plate component according to claim 14, it is characterised in that: the elastic component is check spring, described to stop
Rebound spring one end be socketed in the outside of the fixing end and offset with the mounting leg, the other end of the check spring with
The non-return valve block abuts.
16. scroll plate component according to claim 14, it is characterised in that: the mounting leg is equipped with multiple installations
Portion, the mounting portion and second cavity inner wall are interference fitted, and are formed between the two neighboring mounting portion open.
17. scroll plate component according to claim 14, it is characterised in that: the fixing end is cylindrical, and described second
Through-hole runs through the fixed part and the mounting leg.
18. scroll plate component according to claim 1, it is characterised in that: the fixed scroll is equipped with increasing enthalpy hole, described
Increasing enthalpy channel is connected to by the increasing enthalpy hole with the compression chamber.
19. scroll plate component according to claim 18, it is characterised in that: the orbiter is equipped with and the increasing enthalpy
The connectivity slot of hole connection.
20. scroll plate component according to claim 19, it is characterised in that: the connectivity slot is provided with the orbiter
Scroll wrap on.
21. scroll plate component according to claim 20, it is characterised in that: opened up in the scroll wrap on the dynamic vortex chassis
There are two the connectivity slots.
22. a kind of screw compressor, it is characterised in that: including the described in any item scroll plate components of such as claim 1 to 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915676.3U CN209414146U (en) | 2018-11-19 | 2018-11-19 | A kind of scroll plate component and screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915676.3U CN209414146U (en) | 2018-11-19 | 2018-11-19 | A kind of scroll plate component and screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414146U true CN209414146U (en) | 2019-09-20 |
Family
ID=67934691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821915676.3U Active CN209414146U (en) | 2018-11-19 | 2018-11-19 | A kind of scroll plate component and screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414146U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441803A (en) * | 2018-11-19 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll plate component and screw compressor |
| WO2022057064A1 (en) * | 2020-09-21 | 2022-03-24 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
| CN114704461A (en) * | 2022-03-22 | 2022-07-05 | 松下压缩机(大连)有限公司 | Air supplementing structure with non-return function for scroll compressor |
| US11396873B2 (en) | 2019-12-27 | 2022-07-26 | Danfoss (Tianjin) Ltd. | Scroll compressor comprising a valve provided on a fixed scroll that opens at a certain pressure |
-
2018
- 2018-11-19 CN CN201821915676.3U patent/CN209414146U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441803A (en) * | 2018-11-19 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll plate component and screw compressor |
| US11396873B2 (en) | 2019-12-27 | 2022-07-26 | Danfoss (Tianjin) Ltd. | Scroll compressor comprising a valve provided on a fixed scroll that opens at a certain pressure |
| WO2022057064A1 (en) * | 2020-09-21 | 2022-03-24 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
| CN114704461A (en) * | 2022-03-22 | 2022-07-05 | 松下压缩机(大连)有限公司 | Air supplementing structure with non-return function for scroll compressor |
| CN114704461B (en) * | 2022-03-22 | 2024-02-13 | 冰山松洋压缩机(大连)有限公司 | Air supplementing structure with non-return function for scroll compressor |
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