CN206973978U - A kind of evaporator defrosting device, refrigeration system and climatic chamber - Google Patents
A kind of evaporator defrosting device, refrigeration system and climatic chamber Download PDFInfo
- Publication number
- CN206973978U CN206973978U CN201720573085.1U CN201720573085U CN206973978U CN 206973978 U CN206973978 U CN 206973978U CN 201720573085 U CN201720573085 U CN 201720573085U CN 206973978 U CN206973978 U CN 206973978U
- Authority
- CN
- China
- Prior art keywords
- evaporator
- gate
- controlled switch
- compressor
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of evaporator defrosting device, refrigeration system and climatic chamber, belongs to technical field of refrigeration equipment, wherein evaporator defrosting device, including：Compressor, the exhaust outlet of compressor and the input port of gate-controlled switch connect, for exporting steam；And gate-controlled switch, the import of the delivery outlet and evaporator of gate-controlled switch connect, and for can be controlled adjust the size of conduction amount so that the steam for flowing through gate-controlled switch is passed through evaporator progress defrost in the case of vapor volume is adjustable.The utility model uses intelligent defrosting system, as a result of compressor return air defrost, both saves the energy, and while defrost effect is ensured the humiture in casing can also be kept to occur without obvious fluctuation.
Description
Technical field
The utility model is related to technical field of refrigeration equipment, and in particular to a kind of evaporator defrosting device, refrigeration system and
Climatic chamber.
Background technology
In refrigeration plant used in refrigerating operation, most widely used at present is vapor compression refrigeration, and its capital equipment has pressure
Contracting machine, condenser, evaporator and choke valve.Compressor is used to compress and convey refrigerant vapour, and power is provided for kind of refrigeration cycle,
So as to realize compression → condensation（Heat release）→ expansion → evaporation（Heat absorption）Kind of refrigeration cycle.When outdoor temperature is not high, steam
Device is sent out while heat is absorbed, easy frosting, influences normally to absorb heat work, it is therefore desirable to defrosting operation.
Conventional refrigeration equipment is a piece defrost electrothermal tube of increase for the defrosting method of evaporator, is then opened with timing mode
Open electrothermal tube and be evaporated device defrosting operation.But if this mode temperature control can inaccurately directly affect defrost finisher
Temperature, and it is larger to refrigeration plant internal temperature influence of fluctuations, larger thermic load, and cost are often brought to refrigeration plant
It is higher.
Utility model content
Therefore, the utility model embodiment technical problems to be solved are to overcome outside defrost of the prior art to be not easy
It is high that accurate temperature controlling, cost are carried out to evaporator.
Therefore, a kind of evaporator defrosting device of the utility model embodiment, including：
Compressor, the exhaust outlet of compressor and the input port of gate-controlled switch connect, for exporting steam；And
Gate-controlled switch, the import of the delivery outlet and evaporator of gate-controlled switch connect, and for can be controlled adjust conduction amount
Size so that the steam for flowing through gate-controlled switch is passed through evaporator progress defrost in the case of vapor volume is adjustable.
Preferably, the gate-controlled switch includes magnetic valve.
A kind of refrigeration system of the utility model embodiment, including：
Evaporator, the import of evaporator and the delivery outlet of gate-controlled switch connect, the outlet of evaporator and the return-air of compressor
Mouth connection；
Evaporator defrosting device, including：Compressor, the exhaust outlet of compressor and the input port of gate-controlled switch connect, and are used for
Export steam；And gate-controlled switch, the import of the delivery outlet and evaporator of gate-controlled switch connect, and for can be controlled adjust conducting
The size of amount so that the steam for flowing through gate-controlled switch is passed through evaporator progress defrost in the case of vapor volume is adjustable；And
Condensing unit, the input port of condensing unit and the exhaust outlet of compressor connect, the delivery outlet of condensing unit and evaporation
The import connection of device.
Preferably, the gate-controlled switch includes magnetic valve.
Preferably, the company between the input port of the exhaust outlet of the compressor, the input port of gate-controlled switch and condensing unit
Connect using the first three-way connection to realize.
Preferably, the connection between the import of the delivery outlet of the gate-controlled switch, the delivery outlet of condensing unit and evaporator
Realized using the second three-way connection.
Preferably, the condensing unit includes：
The exhaust outlet of condenser, the input port of condenser and compressor connects, the delivery outlet of condenser and capillary it is defeated
Entrance connects；
Capillary, the import of the delivery outlet and evaporator of capillary connect.
A kind of climatic chamber of the utility model embodiment, including：Above-mentioned refrigeration system, air duct board, division board, wind
Machine, heater and humidification device；
Climatic chamber is divided into two cavitys in left and right, the division board, blower fan, heater and humidification dress by air duct board
Put and be respectively positioned in one of cavity, air outlet is provided with air duct board top, air duct board bottom is provided with return air inlet；
For division board between air outlet and return air inlet, blower fan is located at the top of division board, heater, evaporator and adds
Wet device is located at the lower section of division board respectively, is provided power by blower fan and is forced after air-flow mixing from air outlet output, from return air
Mouth input forms whole air channel circulation.
Preferably, the heater includes heating electrothermal tube.
Preferably, the humidification device includes humidification electrothermal tube and tank, and humidification electrothermal tube is placed in tank.
The technical scheme of the utility model embodiment, has the following advantages that：
1. the evaporator defrosting device that the utility model embodiment provides, by the way that compressor discharge steam is passed directly into steaming
Send out inside device, direct defrost inside evaporator is realized, compared to the outside defrost mode using defrost electrothermal tube etc., Neng Gou great
Reduce the influence to refrigeration plant internal temperature greatly, and cost can be greatlyd save without the part of defrost electrothermal tube etc..Pass through
The gate-controlled switch of the size of conduction amount using can be controlled be adjusted, can accurately adjust the more of the vapor volume that is passed through evaporator
It is few, so as to reach the accurate temperature controlling to defrost finisher temperature.
2. the climatic chamber that the utility model embodiment provides, defrost internal can be heated using compressor heat, structure is more
Simply, it but can guarantee that smaller humiture fluctuation degree.
Brief description of the drawings
, below will be to specific embodiment party in order to illustrate more clearly of the technical scheme in the utility model embodiment
The required accompanying drawing used is briefly described in formula description, it should be apparent that, drawings in the following description are the utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of a specific example of evaporator defrosting device in the utility model embodiment 1；
Fig. 2 is the sectional view of a specific example of climatic chamber in the utility model embodiment 3；
Fig. 3 is the rearview of a specific example of climatic chamber in the utility model embodiment 3.
Reference：1st, casing；2nd, inner bag；3rd, working chamber；4th, hybrid chamber；5th, air duct board；6th, division board；7th, blower fan；8、
Heat electrothermal tube；9th, electric pipe holder is heated；10th, evaporator；11st, electric pipe holder is humidified；12nd, electrothermal tube is humidified；13rd, water
Groove；16th, lower box；20th, evaporator defrosting device；21st, compressor；22nd, gate-controlled switch；30th, condensing unit；31st, condenser；
32nd, capillary；40th, the first three-way connection；50th, the second three-way connection.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, term " on ", " under ", "left", "right", " interior ", " outer " etc. in description of the present utility model
The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing
Purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, may be used also
Can be wireless connection or wired connection to be the connection of two element internals.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment 1
The present embodiment provides a kind of evaporator defrosting device, as shown in figure 1, refrigeration system is can be applied to, the evaporator
White device includes：Compressor 21 and gate-controlled switch 22.
The exhaust outlet of compressor 21 and the input port of gate-controlled switch connect, for exporting steam；The output of gate-controlled switch 22
Mouth is connected with the import of evaporator 10, for can be controlled adjusts the size of conduction amount so that flow through the steam of gate-controlled switch 22
Evaporator 10 is passed through in the case of vapor volume is adjustable and carries out defrost.
Above-mentioned evaporator defrosting device, by the way that compressor discharge steam is passed directly into inside evaporator, realize evaporation
Direct defrost inside device, compared to the outside defrost mode using defrost electrothermal tube etc., can be greatly reduced in refrigeration plant
The influence of portion's temperature, and can greatly save cost without the part of defrost electrothermal tube etc..By using can be controlled adjust and lead
The gate-controlled switch of the size of flux, the number for the vapor volume for being passed through evaporator can be accurately adjusted, so as to reach to after defrost
The accurate temperature controlling of evaporator temperature.
Preferably, gate-controlled switch 22 includes magnetic valve, under control of the control signal, is capable of the big of control valve opening
It is small.
Embodiment 2
The present embodiment provides a kind of refrigeration system, as shown in figure 1, the refrigeration system includes：In evaporator 10, embodiment 1
Evaporator defrosting device 20 and condensing unit 30.
The import of evaporator 10 is connected with the delivery outlet of gate-controlled switch 22, the outlet of evaporator 10 and the return-air of compressor 21
Mouth connection；Evaporator defrosting device 20 includes：The exhaust outlet of compressor 21 and the input port of gate-controlled switch connect, and are steamed for exporting
Gas；And the delivery outlet of gate-controlled switch 22 is connected with the import of evaporator 10, the size of conduction amount for can be controlled be adjusted, is made
Gate-controlled switch must be flowed through（22）Steam be passed through in the case of vapor volume is adjustable evaporator 10 carry out defrost；Condensing unit 30
Input port be connected with the exhaust outlet of compressor 21, the delivery outlet of condensing unit 30 is connected with the import of evaporator 10.
Above-mentioned refrigeration system, as a result of compressor return air defrost, the energy is both saved, and ensureing the same of defrost effect
When the humiture in casing can also be kept to occur without obvious fluctuation.
Preferably, the company between the input port of the exhaust outlet of compressor 21, the input port of gate-controlled switch and condensing unit 30
Connect using the first three-way connection 40 to realize.The delivery outlet of gate-controlled switch 22, the delivery outlet of condensing unit 30 and evaporator 10
Connection between import is realized using the second three-way connection 50.As shown in figure 1, the exhaust outlet of compressor 21 connects with the one or three
First 40 A mouths connection, the input port of gate-controlled switch is connected with the B mouths of the first three-way connection 40, the input port of condensing unit 30 and
The C mouths connection of first three-way connection 40.The delivery outlet of gate-controlled switch 22 is connected with the A mouths of the second three-way connection, condensing unit 30
Delivery outlet be connected with the B mouths of the second three-way connection, the import of evaporator 10 is connected with the C mouths of the second three-way connection.
Preferably, as shown in figure 1, condensing unit 30 includes：Condenser 31 and capillary 32.
The input port of condenser 31 is connected with the exhaust outlet of compressor 21, and the delivery outlet of condenser 31 is defeated with capillary 32
Entrance connects；The delivery outlet of capillary 32 is connected with the import of evaporator 10.
Embodiment 3
The present embodiment provides a kind of climatic chamber, as shown in Figures 2 and 3, the refrigeration system of embodiment 2, air duct board 5, every
From plate 6, blower fan 7, heater and humidification device；
Climatic chamber is divided into two cavitys in left and right, division board 6, blower fan 7, heater and humidification dress by air duct board 5
Put and be respectively positioned in one of cavity, air outlet is provided with the top of air duct board 5, the bottom of air duct board 5 is provided with return air inlet；Every
From plate 6 between air outlet and return air inlet, blower fan 7 is located at the top of division board 6, heater, evaporator 10 and humidification dress
The lower section for being located at division board 6 respectively is put, power is provided by blower fan 7 and is forced after air-flow mixing from air outlet output, from return air inlet
Input forms whole air channel circulation.In evaporimeter frosting, by the sensor in evaporator detect whether frosting promote it is controllable
Switch（Magnetic valve）Open and carry out defrost, make compressor air-discharging once-through evaporator, thus reach defrost effect.
Above-mentioned climatic chamber, defrost internal can be heated using compressor heat, structure is simpler, but can guarantee that smaller temperature
Relative humidity fluctuation.
Preferably, heater includes heating electrothermal tube 8.Humidification device includes humidification electrothermal tube 12 and tank 13, humidification
Electrothermal tube 12 is placed in tank 13.
As shown in Figures 2 and 3, climatic chamber also has inner bag 2, working chamber 3, hybrid chamber 4 etc.；Inner bag 2 is placed in casing 1
Interior, air duct board 5 is placed in inner bag 2, and working chamber 3 is placed between inner bag 2 and air duct board 5 region formed, and division board 6 is placed in air channel
Between plate 5 and inner bag 2, blower fan 7 is placed between division board 6 and inner bag 2, hybrid chamber 4 be placed in inner bag 2, air duct board 5, division board 6 it
Between the region that is formed.
When climatic chamber works, humidification electrothermal tube 12, which brings into operation, produces moisture, and rear fan 7 brings into operation within 2 minutes, drives
Air flow in dynamic equipment, the fresh air inlet that moving air first passes around the bottom of air duct board 5 is sent to lower air duct air management chamber, suitable
Sequence flows through the air-treatment sections such as the humidification electrothermal tube 12, evaporator 10, heating electrothermal tube 8 of air treatment module, will by blower fan 7
It is vertical after cold and hot moisture mixing to be sent into hybrid chamber, then via inner bag is entered after the air outlet rectification on the top of air duct board 5, downwards finally
Be back to lower air duct to be circulated, maintain the wet dynamic equilibrium of heat in equipment because employ cold and hot moisture is mixed after again
It is sent into working chamber so that humiture more rapidly more accurate can reach, and uniformity is good.
Above-mentioned climatic chamber, simple in construction, manufacture assembling is easy, and cheap, operating cost is low in use, uses the longevity
Life length, has higher control of temperature and humidity precision, and can quickly control the arrival of humiture.Can be widely applied to medicine,
The sterility tests such as weaving, food processing, the material performance of stability inspection and industrial products, product packaging, life of product etc. are surveyed
Examination.
Preferably, as shown in Figures 2 and 3, tank 13 is welded in the rear bottom of inner bag 2, and humidification electrothermal tube 12 is placed in tank 13
It is interior.Heating electrothermal tube 8 is placed in the back of inner bag 2.
Preferably, climatic chamber also includes：Lower box 16, lower box 16 are welded in the bottom of casing 1, the He of compressor 21
Condenser 31 is located in lower box 16.
As shown in Figures 2 and 3, compressor 21 and condenser 31 with the socket cap screw of M6 × 30 fix with bottom plate,
Tank 13 welds entirely with inner bag to be connected, and humidification electric pipe holder 11 is welded on inner bag rear wall, and humidification electrothermal tube 12 is stuck in into humidification
On electric pipe holder 11, evaporator 10 is fixed on inner bag rear wall with the Cross Recess Head Screw of M4 × 12, heats electrothermal tube branch
Frame 9 is welded on inner bag rear wall, heating electrothermal tube 8 is stuck on heating electric pipe holder 9, the rotating shaft of blower fan 7 is outside inner bag rear wall
In side insertion preformed hole, blower fan 7 is fixed on the outside of inner bag rear wall with the Cross Recess Head Screw of M4 × 12, fan blade is installed on
On the fan shaft of inner side, division board 6 is installed on front side of blower fan with the Cross Recess Head Screw of M4 × 12, then pacified air duct board 5
Dress, compressor 21 are installed on bottom fixed board with condenser 31.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
- A kind of 1. evaporator defrosting device, it is characterised in that including：Compressor（21）, compressor（21）Exhaust outlet and gate-controlled switch input port connect, for exporting steam；AndGate-controlled switch（22）, gate-controlled switch（22）Delivery outlet and evaporator（10）Import connection, for can be controlled adjust The size of conduction amount so that flow through gate-controlled switch（22）Steam be passed through evaporator in the case of vapor volume is adjustable（10）Enter Row defrost.
- 2. evaporator defrosting device according to claim 1, it is characterised in that the gate-controlled switch（22）Including electromagnetism Valve.
- A kind of 3. refrigeration system, it is characterised in that including：Evaporator（10）, evaporator（10）Import and gate-controlled switch（22）Delivery outlet connection, evaporator（10）Outlet with Compressor（21）Gas returning port connection；Evaporator defrosting device（20）, including：Compressor（21）, compressor（21）Exhaust outlet and gate-controlled switch input port connect Connect, for exporting steam；And gate-controlled switch（22）, gate-controlled switch（22）Delivery outlet and evaporator（10）Import connection, For can be controlled adjust the size of conduction amount so that flow through gate-controlled switch（22）Steam in the case of vapor volume is adjustable It is passed through evaporator（10）Carry out defrost；AndCondensing unit（30）, condensing unit（30）Input port and compressor（21）Exhaust outlet connection, condensing unit（30）'s Delivery outlet and evaporator（10）Import connection.
- 4. refrigeration system according to claim 3, it is characterised in that the gate-controlled switch（22）Including magnetic valve.
- 5. refrigeration system according to claim 3, it is characterised in that the compressor（21）Exhaust outlet, gate-controlled switch Input port and condensing unit（30）Input port between connection use the first three-way connection（40）To realize.
- 6. refrigeration system according to claim 3, it is characterised in that the gate-controlled switch（22）Delivery outlet, condensation dress Put（30）Delivery outlet and evaporator（10）Import between connection use the second three-way connection（50）To realize.
- 7. refrigeration system according to claim 3, it is characterised in that the condensing unit（30）Including：Condenser（31）, condenser（31）Input port and compressor（21）Exhaust outlet connection, condenser（31）Delivery outlet With capillary（32）Input port connection；Capillary（32）, capillary（32）Delivery outlet and evaporator（10）Import connection.
- A kind of 8. climatic chamber, it is characterised in that including：Refrigeration system, air duct board as described in claim any one of 3-7 （5）, division board（6）, blower fan（7）, heater and humidification device；Air duct board（5）Climatic chamber is divided into two cavitys in left and right, the division board（6）, blower fan（7）, heater and Humidification device is respectively positioned in one of cavity, in air duct board（5）Top is provided with air outlet, air duct board（5）Bottom is set There is return air inlet；Division board（6）Between air outlet and return air inlet, blower fan（7）Positioned at division board（6）Top, heater, evaporation Device（10）It is located at division board respectively with humidification device（6）Lower section, by blower fan（7）Power is provided and forced after air-flow mixing from sending Air port exports, inputs to form whole air channel circulation from return air inlet.
- 9. climatic chamber according to claim 8, it is characterised in that the heater includes heating electrothermal tube（8）.
- 10. climatic chamber according to claim 8, it is characterised in that the humidification device includes humidification electrothermal tube （12）And tank（13）, humidify electrothermal tube（12）It is placed in tank（13）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573085.1U CN206973978U (en) | 2017-05-23 | 2017-05-23 | A kind of evaporator defrosting device, refrigeration system and climatic chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573085.1U CN206973978U (en) | 2017-05-23 | 2017-05-23 | A kind of evaporator defrosting device, refrigeration system and climatic chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973978U true CN206973978U (en) | 2018-02-06 |
Family
ID=61410245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720573085.1U Active CN206973978U (en) | 2017-05-23 | 2017-05-23 | A kind of evaporator defrosting device, refrigeration system and climatic chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973978U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579386A (en) * | 2018-11-30 | 2019-04-05 | 西安交通大学 | A kind of refrigerator hot-gas bypass defrosting control system and its control method |
| CN109780809A (en) * | 2018-12-20 | 2019-05-21 | 青岛海尔股份有限公司 | The wet method of the control of refrigerator and refrigerator |
| CN109974366A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Wind cooling refrigerator |
| CN112275343A (en) * | 2020-11-09 | 2021-01-29 | 宁波江南仪器厂 | Improved constant-temperature and constant-humidity climate test box |
| CN114484976A (en) * | 2022-02-16 | 2022-05-13 | 杨智威 | Constant temperature and humidity defrosting and refrigerating device |
| WO2023124631A1 (en) * | 2021-12-27 | 2023-07-06 | 青岛海尔电冰箱有限公司 | Refrigerator |
-
2017
- 2017-05-23 CN CN201720573085.1U patent/CN206973978U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579386A (en) * | 2018-11-30 | 2019-04-05 | 西安交通大学 | A kind of refrigerator hot-gas bypass defrosting control system and its control method |
| CN109780809A (en) * | 2018-12-20 | 2019-05-21 | 青岛海尔股份有限公司 | The wet method of the control of refrigerator and refrigerator |
| CN109780809B (en) * | 2018-12-20 | 2020-12-11 | 青岛海尔股份有限公司 | Refrigerator and humidity control method thereof |
| CN109974366A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Wind cooling refrigerator |
| CN112275343A (en) * | 2020-11-09 | 2021-01-29 | 宁波江南仪器厂 | Improved constant-temperature and constant-humidity climate test box |
| WO2023124631A1 (en) * | 2021-12-27 | 2023-07-06 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN114484976A (en) * | 2022-02-16 | 2022-05-13 | 杨智威 | Constant temperature and humidity defrosting and refrigerating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206973978U (en) | A kind of evaporator defrosting device, refrigeration system and climatic chamber | |
| CN104896785B (en) | A kind of air injection enthalpy-increasing multi-online air-conditioning system and its control method | |
| CN208018622U (en) | Low pressure high-and-low temperature humid heat test box | |
| CN106168389A (en) | A kind of band Intermediate Heat Exchanger quasiconductor degree of depth dehumidifier | |
| CN111588065A (en) | Solar heat pump drying system with open-close type circulation | |
| CN107642925A (en) | A kind of multi-stage heat pump desiccant dehumidification system with bypass line | |
| CN207486957U (en) | Air conditioner indoor unit and air conditioner | |
| CN208000039U (en) | A kind of solar heat-preservation is in direct contact evaporation high temperature drying system | |
| CN109855395A (en) | A kind of air heat pump drying box host | |
| CN109373456A (en) | A kind of recovery type heat air-conditioning | |
| CN113154721A (en) | Novel energy-saving water chilling unit | |
| CN211782649U (en) | Novel multipurpose drying room | |
| CN205784468U (en) | A kind of dual temperature type Split heat pump drying device | |
| CN201748574U (en) | Double-circulating type machine room energy saving air conditioner | |
| CN206648170U (en) | A kind of water-free humidifying air-conditioner | |
| CN207163198U (en) | Air source heat pump drying baker | |
| CN206001761U (en) | A kind of air conditioning system | |
| CN206670031U (en) | Electric heater | |
| CN206191739U (en) | Heat exchanger semiconductor degree of depth dehumidifier in middle of area | |
| CN205893749U (en) | Clothes drying machine | |
| CN213019889U (en) | Air conditioner | |
| CN212488421U (en) | Solar heat pump drying system with open-close type circulation | |
| CN208320850U (en) | A kind of Novel bunk temperature wet heating testing case | |
| CN206973968U (en) | A kind of frequency conversion refrigeration control system and climatic chamber | |
| CN209310137U (en) | A kind of recovery type heat air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190703 Address after: 201067 2nd Floor, Building 599 Zhongqiang Road, Sigang Town, Songjiang District, Shanghai Patentee after: Shanghai Boxun Medical Biological Instrument Corp. Address before: 201067 2nd Floor, Building No. 599 Zhongqiang Road, Sigang Town, Songjiang District, Shanghai Patentee before: Lead-Tech (Shanghai) Scientific Instrument Co., Ltd. |