CN206583015U - A kind of phase change cold-storage system - Google Patents
A kind of phase change cold-storage system Download PDFInfo
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- CN206583015U CN206583015U CN201720250748.6U CN201720250748U CN206583015U CN 206583015 U CN206583015 U CN 206583015U CN 201720250748 U CN201720250748 U CN 201720250748U CN 206583015 U CN206583015 U CN 206583015U
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- cold
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- phase change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model discloses a kind of phase change cold-storage system, including refrigeration unit, cold storage unit and cooling unit, cold storage unit includes cold-storage casing, and cold-storage casing includes housing, is arranged in housing and the corrugated plating with the passage passed through for refrigerating medium and solid-liquid phase change storage cold material；The direction that corrugated plating is flowed by its interior refrigerating medium is divided into the front portion with entrance and the rear portion with outlet, anterior serpentine-like extension simultaneously forms the first bellows segment that multistage is arranged side by side in the horizontal direction, rear portion is also serpentine-like to be extended and forms the second bellows segment that multistage is arranged side by side in the horizontal direction, the adjacent position of each section of the first bellows segment is side by side provided with one section of second bellows segment, and the spacing in the first bellows segment and the second bellows segment between two adjacent bellows segments is identical and folding direction of ripple is consistent；Cold storage unit thermo parameters method problem of non-uniform is solved, and prevents the floating of " phase transformation ice ", therefore with clear advantage.
Description
Technical field
The utility model is related to Cool Storage Technology field, be related to trough-electricity refrigeration, air-conditioning, the storage of the cold of industrial waste cold with
Release, can be used in chemical industry, pharmacy, food, air conditioner industry refrigeration system, more particularly to a kind of phase change cold-storage system.
Background technology
Phase change cold-storage system is to be freezed using trough-electricity and cold is stored in cooling storage material, in peak of power consumption
Phase, open less or do not drive refrigeration machine, the cold progress cooling for making full use of night to store, so that the purpose of peak load shifting is reached,
Significantly save operating cost.Hydrated salt class phase transformation storage cold material has that energy storage density is big, thermal conductivity is good, low cost and other advantages, but
Hydrated salt class phase transformation, which is stored up after cold material is repeatedly circulated in static transformation cold accumulation system, there is the problems such as phase separation, fusing point are offset.
In traditional phase change cold-storage air-conditioning, ice-storage air-conditioning is relatively conventional, such as France CIAT Ice device, the U.S.
BAC snakelike coating steel pipe cold-storage device, serpentine coil cold-storage device, the CALMAC round coil of Hangzhou Hua electricity Hua sources company
Cold-storage device.It is uneven to there is thermo parameters method in these cold-storage devices, and lets cool the middle and later periods due to there is substantial amounts of floating ice,
Cold-storage device is caused to let cool the problems such as efficiency is reduced；Patent is described to apparatus structure or cold-storage device is improved, such as
Patent CN2551957Y describes a kind of serpentine coil ice storage unit, and the cold-storage device is simple in construction, but can go out letting cool the later stage
Existing substantial amounts of floating ice, causes cold-storage device to let cool the problems such as efficiency is reduced；Patent CN203286828 introduces a kind of snakelike net bar and stored
Ice production apparatus, hold-over coil uses crossed geometry's mode, and stainless steel backfin net bar serpentine coil is laid between hold-over coil,
Stop the floating of ice cube, but the layout type fails to solve thermo parameters method problem of non-uniform in cold-storage device；Patent
CN200943921Y introduces a kind of coil pipe ice-reserving structure, and the hold-over coil uses temperature between serpentine configuration, adjacent coil pipe mutual
Compensation, it is possible to resolve thermo parameters method problem of non-uniform in cold-storage device, but still there is ice cube floating, let cool the middle and later periods infusibilized
The problems such as.
Though these patents are uneven to cold-storage device thermo parameters method, " ice in thousand " the problems such as improve, effect owe
Good, a kind of new phase change cold-storage system that has been this utility model Patent design exists to solve current cold-storage device
Thermo parameters method it is uneven, the problem of " top layer ice in thousand " and cooling storage material are separated.
Utility model content
The purpose of this utility model is that the phase change cold-storage system can in view of the above-mentioned problems, providing a kind of phase change cold-storage system
To solve cold storage unit thermo parameters method problem of non-uniform, and the floating of " phase transformation ice " is prevented, and can solved in static system
The problem of cooling storage material of presence is separated, while carrying out the operating cost of cold-storage, effectively reduction system using trough-electricity.
To solve above technical problem, a kind of technical scheme that the utility model is taken is as follows：A kind of phase change cold-storage system,
The phase change cold-storage system includes refrigeration unit, cold storage unit and cooling unit, between the refrigeration unit and cold storage unit, makes
Peripheral passage, the refrigeration unit bag are formed between cold unit and cold storage unit and between cold storage unit and cooling unit respectively
Refrigeration unit and the first valve are included, the cooling unit includes colod-application family and the second valve, and the phase change cold-storage system also includes making load
The circulating pump that cryogen is circulated between the refrigeration unit, cold storage unit and cooling unit；
The cold storage unit includes cold-storage casing, and the cold-storage casing includes housing, is arranged in the housing and has
Corrugated plating and solid-liquid phase change the storage cold material of the passage passed through for refrigerating medium；
The direction that the corrugated plating is flowed by its interior refrigerating medium is divided into the front portion with entrance and the rear portion with outlet, institute
State anterior serpentine-like extension and form the first bellows segment that multistage is arranged side by side in the horizontal direction, the rear portion also serpentine-like extension
And the second bellows segment that multistage is arranged side by side in the horizontal direction is formed, the adjacent position of each section of first bellows segment is side by side
Provided with one section of second bellows segment, in first bellows segment and second bellows segment between two adjacent bellows segments
Spacing is identical and folding direction of ripple is consistent.
According to one embodiment of the present utility model, first valve is with first interface, second interface, the 3rd interface
Triple valve, second valve be with first interface, second interface, the 3rd interface triple valve, the one of the refrigeration unit
The first interface of the first valve described in UNICOM is held, the second interface of first valve is connected with the one end at the colod-application family；Described
The first interface of two valves is connected with another opening of the corrugated plating, second interface, the 3rd interface difference of second valve
It is connected with the other end of the refrigeration unit and the other end at colod-application family.
Further, the circulating pump includes the first circulation pump being arranged between the colod-application family and first valve,
Second circulation pump and the 3rd circulation between the 3rd interface of first valve and the entrance of the corrugated plating or outlet
Pump, the second circulation pump and the 3rd circulating pump are installed in parallel and in the opposite direction.
According to one embodiment of the present utility model, the solid-liquid phase change storage cold material is water, hydrated salt or organic phase
Become storage cold material.
According to one embodiment of the present utility model, the cold storage unit also includes internal circulation pump, the internal circulation pump
Enclosure interior described in the UNICOM of two ends, for the cooling storage material in liquid to be carried out into inner loop.
According to one embodiment of the present utility model, the phase change cold-storage system also includes multiple for detecting the phase transformation
The temperature of refrigerating medium in cold accumulation system, the temperature and pressure transmitter of pressure.
Further, the quantity of the temperature and pressure transmitter is 3, and a temperature and pressure transmitter is arranged on institute
Inlet port one end of refrigeration unit is stated, temperature and pressure transmitter described in another two is separately mounted to refrigerating medium and passes in and out the corrugated plating
Position.
According to one embodiment of the present utility model, the cold-storage casing has multiple and interconnected, multiple storages
The arrangement mode of ice chest body is arranged or the arrangement that is spacedly distributed to concentrate.
According to one embodiment of the present utility model, the material of the housing is polyurethane foam resin, vermiculite, foam glass
Glass or ceramic fibre.
According to one embodiment of the present utility model, the material of the corrugated plating is copper, aluminium, steel or iron.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art：
Refrigeration unit and cool-storing box body are connected during valley power consumption, by refrigeration unit to the storage cold material in cool-storing box body
Progress fills cold, and cool-storing box body and colod-application family are connected in peak of power consumption, is discharged the cold stored in cool-storing box body by refrigerating medium,
Night electricity price " can be moved " to daytime, so as to save the electricity charge, used：The front portion of corrugated plating and the rear portion of corrugated plating are mutually encompassed
Spacing between multistage snakelike extension distribution, any two sections adjacent first bellows segments and/or the second bellows segment is identical, makes
Obtain the field distribution of cold-accumulating box body temperature uniformly, and the rising of storage cold material when being mutually changed into solid phase can be stopped, solve current
The uniform distribution of temperature field of cold-storage device presence, " top layer ice in thousand "（Later stage hardly possible is melted, and is reduced Chu Leng, is let cool effect）Ask
Topic, while the design of internal circulation pump, be allowed to run before cold-storage casing cold-storage, it is to avoid what cooling storage material was separated asks
Topic.
Brief description of the drawings
Fig. 1 is a kind of structural representation of phase change cold-storage system of the present utility model；
Fig. 2 is the structural representation of corrugated plating；
In figure, 1 is refrigeration unit, and 2 be the first valve, and 2-1 is the first interface of the first valve, and 2-2 connects for the second of the first valve
Mouthful, 2-3 is the 3rd interface of the first valve, and 3 be first circulation pump, and 4 be colod-application family, and 5 be the second valve, and 5-1 is the second of the second valve
Interface, 5-2 is the 3rd interface of the second valve, and 5-3 is the first interface of the second valve, and 6,7,8 be temperature and pressure transmitter, and 9 be the
Two circulating pumps, 10 be the 3rd circulating pump, and 11 be corrugated plating, and 11-1 is the first bellows segment, and 11-2 is the second bellows segment, 12 for it is solid-
Liquid phase becomes storage cold material, and 13 be housing, and 14 be internal circulation pump, and 15 be passage.
Embodiment
Mode is preferably carried out to the utility model below in conjunction with the accompanying drawings to be described in detail.
Based on the technical problem of above-mentioned discovery, as shown in Figure 1-2, the utility model provides a kind of phase change cold-storage system, institute
Stating phase change cold-storage system includes refrigeration unit, cold storage unit and cooling unit, between the refrigeration unit and cold storage unit, freezes
Peripheral passage is formed between unit and cold storage unit and between cold storage unit and cooling unit respectively, the refrigeration unit includes
The valve 2 of refrigeration unit 1 and first, the cooling unit includes the colod-application valve 5 of family 4 and second, and the phase change cold-storage system also includes making
The circulating pump that refrigerating medium is circulated between the refrigeration unit, cold storage unit and cooling unit；
The cold storage unit includes cold-storage casing, and the cold-storage casing includes housing 13, be arranged in the housing 13 and
Corrugated plating 11 and solid-liquid phase change storage cold material 12 with the passage 15 passed through for refrigerating medium；
The direction that the corrugated plating 11 is flowed by its interior refrigerating medium is divided into the front portion with entrance and the rear portion with outlet,
The front portion is serpentine-like to be extended and forms the first bellows segment that multistage is arranged side by side in the horizontal direction（Ripple is also referred to as flowed into below
Section）11-1, the rear portion is also serpentine-like to be extended and forms the second bellows segment that multistage is arranged side by side in the horizontal direction（It is also referred to as below
Flow out bellows segment）11-2, each section of the first bellows segment 11-1 adjacent position are side by side provided with one section of second ripple
Spacing in section 11-2, the first bellows segment 11-1 and the second bellows segment 11-2 between two adjacent bellows segments is identical
And the folding direction of ripple is consistent.
Specifically, first valve 2 be with first interface 2-1, second interface 2-2, the 3rd interface 2-3 triple valve,
Second valve 5 be with first interface 5-3, second interface 5-1, the 3rd interface 5-2 triple valve, the refrigeration unit 1
The first interface 2-1, the second interface 2-2 of first valve 2 of first valve 1 described in the UNICOM of one end and the one end at the colod-application family 4
It is connected；The first interface 5-3 of second valve 5 is connected with another opening of the corrugated plating 11, and the second of second valve 5
Interface 5-1, the 3rd interface 5-2 are connected with the other end of the refrigeration unit 1 and the other end at colod-application family 4 respectively.
Further, the circulating pump includes the first circulation pump being arranged between the colod-application family 4 and first valve 2
3, second circulation pump 9 between the 3rd interface 2-3 of first valve 2 and the entrance of the corrugated plating 11 or outlet and
3rd circulating pump 10, the circulating pump 10 of second circulation pump 9 and the 3rd is installed in parallel and in the opposite direction.
In this example, the solid-liquid phase change storage cold material 12 is water, hydrated salt or organic cooling storage material.
In this example, the cold storage unit also includes internal circulation pump 14, described in the two ends UNICOM of the internal circulation pump in housing
Portion, for the cooling storage material in liquid to be carried out into inner loop.
In this example, the phase change cold-storage system also includes multiple for detecting the refrigerating medium in the phase change cold-storage system
The temperature and pressure transmitter of temperature, pressure.
Further, the quantity of the temperature and pressure transmitter is 3, and a temperature and pressure transmitter is arranged on institute
Inlet port one end of refrigeration unit is stated, temperature and pressure transmitter described in another two is separately mounted to refrigerating medium and passes in and out the corrugated plating
Position.
In this example, it is preferable that the cold-storage casing has multiple and interconnected, the arrangement of multiple cold-storage casings
Mode is arranged or the arrangement that is spacedly distributed to concentrate.
In addition, the material of the housing is polyurethane foam resin, vermiculite, foam glass or ceramic fibre.
The material of the corrugated plating is copper, aluminium, steel or iron.
Meanwhile, an embodiment is as follows：The phase change cold-storage system includes refrigeration unit, cold storage unit and cooling
Unit, described refrigeration unit includes refrigeration unit 1, temperature and pressure transmitter 6, triple valve 2；Described refrigeration unit 1 and temperature
Spend pressure sensor 6 to be connected, cold is provided for refrigerating medium；Described temperature and pressure transmitter 6 is located at before refrigeration unit, is used for
Control the circulation fluid of refrigeration unit 1（Refrigerating medium）Pressure and its temperature of detection；Triple valve 2 is located at the outlet of refrigeration unit 1, for cutting
Change cold storage unit cold-storage and the different circulation patterns let cool；
Described cold storage unit include cold-storage casing, temperature and pressure transmitter 7,8, internal circulation pump 14 and second, third follow
Ring pump 9,10；Second circulation pump 9, the 3rd circulating pump 10 can be low-temperature circulating pump, and described cold-storage casing is adopted with refrigeration unit 1
It is attached with parallel way, comprising housing 13, corrugated plating 11, solid-liquid phase change storage cold material 12, leads to refrigerating in corrugated plating 11
Agent, its housing 13 is incubated using insulation material, the connected mode of the corrugated plating 11 and the housing 13 of the cold-storage casing
For welding, bolt connection or neck connection, the material of the corrugated plating 11 is good copper, aluminium, steel or the iron of heat conductivility, preferably
, the cold-storage casing can be multiple, and arrangement can be centralization or distributed, and the heat-insulating material of its housing 13 is low heat conduction
Coefficient material, including polyurethane foam resin, vermiculite, foam glass or ceramic fibre；Device solid-liquid phase change material in housing 13
12, the solid-liquid phase change storage cold material 12 is that water, hydrated salt or organic are a kind of or it is combined；The ripple is in ripple
Shape, flows in and out bellows segment and mutually surround, and adjacent with any inflow bellows segment has outflow bellows segment, with any outflow ripple
The adjacent spacing having between inflow bellows segment, adjacent corrugations section of line section is identical and folding direction is consistent, therefore in cold-storage groove
Temperature is uniform, and phase-change material is blocked by corrugated plating 11 and prevents it from floating letting cool the middle and later periods " phase transformation ice " in cold-accumulating box body；Institute
The solid-liquid phase change stated stores up cold material 12 and stores cold with refrigerating medium heat exchange in cold-storage, and material is solid-state by liquid phase-change,
Released cold quantity when letting cool, material is liquid by Solid State Transformation；Described internal circulation pump 14 is run before cold-storage casing cold-storage starts,
Phase-change material can be avoided to be layered, and make nucleating agent（Nucleating agent be magnesia, graphite, vermiculite, borax or Fluorspar Powder it is a kind of or
It is combined）Dispersed precipitate reduces phase-change material degree of supercooling in cold-storage casing, can also strengthen cold, the uniform temperature field distribution of biography；
The refrigerating medium that described temperature and pressure transmitter 7,8 is located at corrugated plating 11 is imported and exported, for controlling refrigerating medium in cold-accumulating box body
Pressure and detection input and output temperature；Second, third described circulating pump 9,10 provides power when storing up cold cooling for refrigerating medium.
Described cooling unit includes colod-application family 4, triple valve 5 and first circulation pump 3, and first circulation pump 3 can be cooling
Liquid circulating pump, described coolant recirculation pump can provide cold power for colod-application family 4, and triple valve 5 is located at entering for refrigeration unit 1
Mouthful, for the different circulation patterns for switching cold storage unit cold-storage He letting cool.
The method of operation is as follows：
During electricity at a low ebb, process of cool, concrete operations are carried out：Before cold-storage starts, internal circulation pump 14 is opened, by liquid
State phase-change material carries out interior circulation, and internal circulation pump 14 is closed after phase-change material is recycled to the 1/3 of volume, opens triple valve 2,
2-1,2-3 pipeline are connected, triple valve 5 is opened, 5-1,5-3 is connected, the 3rd circulating pump 10 is opened, now refrigeration unit 1 and cold-storage
Casing is connected, and refrigerating medium cold enters the outflow at the top of opposite side after the energy exchange of corrugated plating 11 from side roof part input, according to
The liquid level of refrigerating medium out temperature, pressure condition and phase-change material judges cold whether complete filled；
When carrying out cooling process during peak electricity in daytime, concrete operations are：Triple valve 2 is opened, 2-2,2-3 pipe is connected
Road, opens triple valve 5, connects 5-2,5-3 pipeline, opens second circulation pump 9, opens first circulation pump 3, now cold-storage casing with
Colod-application family 4 is connected, and the refrigerating medium flowed out from colod-application family flows through corrugated plating 11 and the cooling storage in cold-accumulating box body in cold-accumulating box body
Material carries out changing cold, and phase-change material melts cooling, is cold client's supply cold；
During ordinary telegram cooling, temperature and pressure transmitter 8 shows circulation fluid（Refrigerating medium）When temperature is higher, refrigeration can perform
The cooling process of unit 1, concrete operations are：Triple valve 2 is opened, 2-1,2-2 pipeline is connected, triple valve 5 is opened, 5-1,5-2 is connected
Pipeline, opens first circulation pump 3, carries out cooling using refrigeration unit 1, it is ensured that the normal cryogenic energy utilization in colod-application family 4.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this,
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of phase change cold-storage system, the phase change cold-storage system includes refrigeration unit, cold storage unit and cooling unit, the system
Formed respectively between cold unit and cold storage unit, between refrigeration unit and cold storage unit and between cold storage unit and cooling unit
Peripheral passage, the refrigeration unit includes refrigeration unit and the first valve, and the cooling unit includes colod-application family and the second valve, described
Phase change cold-storage system also includes making the circulating pump that refrigerating medium is circulated between the refrigeration unit, cold storage unit and cooling unit,
Characterized in that,
The cold storage unit includes cold-storage casing, and the cold-storage casing includes housing, is arranged in the housing and with for carrying
Corrugated plating and solid-liquid phase change the storage cold material for the passage that cryogen passes through；
The direction that the corrugated plating is flowed by its interior refrigerating medium is divided into the front portion with entrance and the rear portion with outlet, it is described before
Portion is serpentine-like to be extended and forms the first bellows segment that multistage is arranged side by side in the horizontal direction, and the rear portion is also serpentine-like to be extended and shape
The second bellows segment being arranged side by side in the horizontal direction into multistage, the adjacent position of each section of first bellows segment is provided with side by side
Spacing in one section of second bellows segment, first bellows segment and second bellows segment between two adjacent bellows segments
Identical and ripple folding direction is consistent.
2. phase change cold-storage system according to claim 1, it is characterised in that first valve is with first interface, the
The triple valve of two interfaces, the 3rd interface, second valve be with first interface, second interface, the 3rd interface triple valve, institute
State the first interface of the first valve described in one end UNICOM of refrigeration unit, the second interface of first valve and the one of the colod-application family
End is connected；The first interface of second valve is connected with another opening of the corrugated plating, the second interface of second valve,
3rd interface is connected with the other end of the refrigeration unit and the other end at colod-application family respectively.
3. phase change cold-storage system according to claim 2, it is characterised in that the circulating pump includes being arranged on described colod-application
First circulation pump between family and first valve, installed in the 3rd interface of first valve and the entrance of the corrugated plating or
Second circulation pump and the 3rd circulating pump between outlet, the second circulation pump and the 3rd circulating pump are installed in parallel and direction phase
Instead.
4. phase change cold-storage system according to claim 1, it is characterised in that the solid-liquid phase change storage cold material is water, water
Close salt or organic cooling storage material.
5. phase change cold-storage system according to claim 1, it is characterised in that the cold storage unit also includes internal circulation pump,
Enclosure interior described in the two ends UNICOM of the internal circulation pump, for the cooling storage material in liquid to be carried out into inner loop.
6. phase change cold-storage system according to claim 1, it is characterised in that the phase change cold-storage system also includes multiple use
In the temperature, the temperature and pressure transmitter of pressure that detect the refrigerating medium in the phase change cold-storage system.
7. phase change cold-storage system according to claim 6, it is characterised in that the quantity of the temperature and pressure transmitter is 3
Individual, a temperature and pressure transmitter is arranged on inlet port one end of the refrigeration unit, and temperature, pressure described in another two is passed
Sensor is separately mounted to the position that refrigerating medium passes in and out the corrugated plating.
8. phase change cold-storage system according to claim 1, it is characterised in that the cold-storage casing has multiple and mutually interconnected
Logical, the arrangement mode of multiple cold-storage casings is arranged or the arrangement that is spacedly distributed to concentrate.
9. phase change cold-storage system according to claim 1, it is characterised in that the material of the housing is polyurethane foam tree
Fat, vermiculite, foam glass or ceramic fibre.
10. phase change cold-storage system according to claim 1, it is characterised in that the material of the corrugated plating is copper, aluminium, steel
Or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250748.6U CN206583015U (en) | 2017-03-15 | 2017-03-15 | A kind of phase change cold-storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250748.6U CN206583015U (en) | 2017-03-15 | 2017-03-15 | A kind of phase change cold-storage system |
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| Publication Number | Publication Date |
|---|---|
| CN206583015U true CN206583015U (en) | 2017-10-24 |
Family
ID=60111988
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720250748.6U Active CN206583015U (en) | 2017-03-15 | 2017-03-15 | A kind of phase change cold-storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910317A (en) * | 2018-06-29 | 2018-11-30 | 中车石家庄车辆有限公司 | Fill cool equipment |
| CN109405391A (en) * | 2018-10-11 | 2019-03-01 | 丁玉龙 | Fill cool equipment and the cold supply system including the equipment |
-
2017
- 2017-03-15 CN CN201720250748.6U patent/CN206583015U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910317A (en) * | 2018-06-29 | 2018-11-30 | 中车石家庄车辆有限公司 | Fill cool equipment |
| CN108910317B (en) * | 2018-06-29 | 2020-09-01 | 中车石家庄车辆有限公司 | Cold filling equipment |
| CN109405391A (en) * | 2018-10-11 | 2019-03-01 | 丁玉龙 | Fill cool equipment and the cold supply system including the equipment |
| WO2020073690A1 (en) * | 2018-10-11 | 2020-04-16 | 中车石家庄车辆有限公司 | Cold charging apparatus, and cold supply system comprising same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Phase transition cold -storage system Effective date of registration: 20180927 Granted publication date: 20171024 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd Pledgor: Nanjing Jin He energy and material company limited Registration number: 2018320000201 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201021 Granted publication date: 20171024 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd. Pledgor: NANJING JINHE ENERGY MATERIAL Co.,Ltd. Registration number: 2018320000201 |