CN206258750U - A kind of temperature control device - Google Patents
A kind of temperature control device Download PDFInfo
- Publication number
- CN206258750U CN206258750U CN201621379241.2U CN201621379241U CN206258750U CN 206258750 U CN206258750 U CN 206258750U CN 201621379241 U CN201621379241 U CN 201621379241U CN 206258750 U CN206258750 U CN 206258750U
- Authority
- CN
- China
- Prior art keywords
- conduit
- pressure
- ball valve
- fuel tank
- pump
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model devises a kind of temperature control device, including test component, temperature sensor, y-type filter, ball valve, proportioning valve, fuel tank, repairing ball valve, oil extraction ball valve, cold oil pump, evaporator, vapour separator, low-pressure meter, low pressure controller, twin-stage spray enthalpy compressor, high-pressure controller, oil eliminator, high pressure gauge, condenser, outer rotor blower fan, fluid reservoir, device for drying and filtering, expansion valve, pressure switch, pressure gauge, circular-pump and heater, the temperature control device of present apparatus super large temperature range（30 °C to+150 °C）, temperature-compensating is realized, it is possible to achieve arbitrarily adjust from 30 °C to+150 °C in accuracy of temperature control ± 0.5 °C by cold-storage in advance and heating series connection, so as to the simulated environment limiting temperature for meeting automobile component is tested, there is provided correct test data.
Description
Technical field
The utility model is related to limiting temperature to test temperature control device field, particularly a kind of temperature control device.
Background technology
Automobile needs the part for carrying out temperature control electric including electrokinetic cell, motor, electric machine controller and other power
Sub- device, and the requirement coolant temperature of each part is different so that many set cooling systems are may be simultaneously present, and is limited to cloth
Put, each cooling system is difficult to automatic-discharging and coolant injection function, especially during later period maintenance, in temperature control system
Coolant cannot be completely exhausted out, the traditional coolant filing provision that cannot be used using production line.
The coolant injection mode of current vehicle temperature control system typically has two kinds in the market, and one kind is taken out on production line
Vacuum filling, does not have coolant in this scheme requirement system, once there is coolant to be likely to result in vavuum pump suction coolant and damage
It is bad;Second is that progressively air is discharged by case long of the swollen moon by the circulation of electric water pump, temperature of this scheme just for Jian Unit
Control system effectively, such as exert oneself and larger can be only achieved requirement, current vehicle temperature control system by conventional engines cooling system, and water pump
System does not reach emptying filling and requires using the method, therefore it is necessary to design a kind of temperature control device.
Utility model content
The purpose of this utility model is, in order to solve the above problems, to devise a kind of temperature control device.
Realize that above-mentioned purpose the technical solution of the utility model is, a kind of temperature control device, including test component, TEMP
Device, y-type filter, ball valve, proportioning valve, fuel tank, repairing ball valve, oil extraction ball valve, cold oil pump, evaporator, vapour separator, low pressure
Table, low pressure controller, twin-stage spray enthalpy compressor, high-pressure controller, oil eliminator, high pressure gauge, condenser, outer rotor
Blower fan, fluid reservoir, device for drying and filtering, expansion valve, pressure switch, pressure gauge, circular-pump and heater, the test component
Side is electrically connected with by conduit with temperature sensor, and the test component is electrically connected with by conduit with y-type filter, described
Y-type filter is electrically connected with by conduit with ball valve, and the ball valve is electrically connected with by conduit with proportioning valve, and the proportioning valve leads to
Cross conduit to be electrically connected with fuel tank, the fuel tank is connected by conduit with repairing ball valve, and the fuel tank passes through conduit and temperature
Sensor is electrically connected with, and the fuel tank side is connected by conduit with oil extraction ball valve, and the fuel tank passes through conduit and cold oil pump
It is connected, the cold oil pump is connected by conduit with evaporator, the evaporator is connected by conduit with vapour separator, institute
State vapour separator to be connected with low-pressure meter by conduit, the low-pressure meter is connected by conduit with low pressure controller, institute
State low pressure controller to be connected by conduit and twin-stage spray enthalpy compressor, the twin-stage spray enthalpy compressor is by conduit and height
Pressure pressure controller is connected, and the high-pressure controller is connected by conduit with oil eliminator, and the oil eliminator leads to
Cross conduit to be connected with high pressure gauge, the high pressure gauge is connected by conduit with condenser, the condenser side surface is provided with outer
Rotor blower fan, the condenser is connected by conduit with fluid reservoir, and the fluid reservoir is connected by conduit with device for drying and filtering
Connect, the device for drying and filtering is connected by conduit with expansion valve, the expansion valve is connected by conduit with evaporator, described
Evaporator is electrical connected by conduit with pressure gauge, and the pressure gauge is connected by conduit with pressure switch, and the pressure is opened
Pass is connected by conduit with circular-pump, and the circular-pump is connected by conduit with heater, the heater
It is connected with pressure gauge by conduit, the pressure gauge is connected by conduit with temperature sensor, the temperature sensor leads to
Cross conduit to be connected with ball valve, the ball valve is connected by conduit with test component.
Liquid level sensor is provided with the fuel tank.
Pressure switch is provided between the circular-pump and heater.
It is described that ball valve is provided between fuel tank and pressure switch.
A kind of temperature control device made using the technical solution of the utility model, the temperature control of present apparatus super large temperature range is set
It is standby（- 30 °C to+150 °C）, accuracy of temperature control ± 0.5 °C.Temperature-compensating, Ke Yishi are realized by cold-storage in advance and heating series connection
The now arbitrarily regulation from -30 °C to+150 °C, so as to the simulated environment limiting temperature for meeting automobile component is tested, there is provided correct to survey
Examination data.
Brief description of the drawings
Fig. 1 is a kind of structural representation of temperature control device described in the utility model；
Fig. 2 is a kind of partial enlarged drawing of temperature control device described in the utility model；
Fig. 3 is a kind of refrigerating part schematic diagram of temperature control device described in the utility model；
In figure, 1, test component；2nd, temperature sensor；3rd, y-type filter；4th, ball valve；5th, proportioning valve；6th, fuel tank；7th, mend
Oily ball valve；8th, oil extraction ball valve；9th, cold oil pump；10th, evaporator；11st, vapour separator；12nd, low-pressure meter；13rd, low pressure controller；
14th, twin-stage spray enthalpy compressor；15th, high-pressure controller；16th, oil eliminator；17th, high pressure gauge；18th, condenser；19th, outer rotor
Blower fan；20th, fluid reservoir；21st, device for drying and filtering；22nd, expansion valve；23rd, pressure switch；24th, circular-pump；25th, heater；
26th, pressure gauge；27th, liquid level sensor.
Specific embodiment
The utility model is specifically described below in conjunction with the accompanying drawings, as Figure 1-3, a kind of temperature control device, including survey
Examination part（1）, temperature sensor（2）, y-type filter（3）, ball valve（4）, proportioning valve（5）, fuel tank（6）, repairing ball valve（7）, row
Oily ball valve（8）, cold oil pump（9）, evaporator（10）, vapour separator（11）, low-pressure meter（12）, low pressure controller（13）, it is double
Level spray enthalpy compressor（14）, high-pressure controller（15）, oil eliminator（16）, high pressure gauge（17）, condenser（18）, outer rotor
Blower fan（19）, fluid reservoir（20）, device for drying and filtering（21）, expansion valve（22）, pressure switch（23）, pressure gauge（26）, deep fat follows
Ring pump（24）And heater（25）, it is characterised in that the test component（1）Side passes through conduit and temperature sensor（2）Electricity
Property connection, the test component（1）By conduit and y-type filter（3）It is electrically connected with, the y-type filter（3）By conduit
With ball valve（4）It is electrically connected with, the ball valve（4）By conduit and proportioning valve（5）It is electrically connected with, the proportioning valve（5）By leading
Pipe and fuel tank（6）It is electrically connected with, the fuel tank（6）By conduit and repairing ball valve（7）It is connected, the fuel tank（6）By leading
Pipe and temperature sensor（2）It is electrically connected with, the fuel tank side is by conduit and oil extraction ball valve（8）It is connected, the fuel tank leads to
Cross conduit and cold oil pump（9）It is connected, the cold oil pump（9）By conduit and evaporator（10）It is connected, the evaporator
（10）By conduit and vapour separator（11）It is connected, the vapour separator（11）By conduit and low-pressure meter（12）It is connected,
The low-pressure meter（12）By conduit and low pressure controller（13）It is connected, the low pressure controller（13）By leading
Pipe sprays enthalpy compressor with twin-stage（14）It is connected, the twin-stage sprays enthalpy compressor（14）By conduit and high-pressure controller
（15）It is connected, the high-pressure controller（15）By conduit and oil eliminator（16）It is connected, the oil eliminator
（16）By conduit and high pressure gauge（17）It is connected, the high pressure gauge（17）By conduit and condenser（18）It is connected, it is described
Condenser（18）Side surface is provided with outer rotor blower fan（19）, the condenser（18）By conduit and fluid reservoir（20）It is connected,
The fluid reservoir（20）By conduit and device for drying and filtering（21）It is connected, the device for drying and filtering（21）By conduit and expansion
Valve（22）It is connected, the expansion valve（22）By conduit and evaporator（10）It is connected, the evaporator（10）By conduit
With pressure gauge（26）It is electrical connected, the pressure gauge（26）By conduit and pressure switch（23）It is connected, the pressure switch
（23）By conduit and circular-pump（24）It is connected, the circular-pump（24）By conduit and heater（25）It is connected
Connect, the heater（25）By conduit and pressure gauge（26）It is connected, the pressure gauge（26）By conduit and TEMP
Device（2）It is connected, the temperature sensor（2）By conduit and ball valve（4）It is connected, the ball valve（4）By conduit and survey
Examination part（1）It is connected；The fuel tank（6）Inside it is provided with liquid level sensor（27）；The circular-pump（24）And heater
（25）Between be provided with pressure switch（23）；The fuel tank（6）And pressure switch（23）Between be provided with ball valve（4）.
The characteristics of the present embodiment is that test component side is electrically connected with by conduit with temperature sensor, test component
Be electrically connected with by conduit and y-type filter, y-type filter is electrically connected with by conduit with ball valve, ball valve by conduit with than
Example valve is electrically connected with, and proportioning valve is electrically connected with by conduit with fuel tank, and fuel tank is connected by conduit with repairing ball valve, and fuel tank leads to
Cross conduit and temperature sensor to be electrically connected with, fuel tank side is connected by conduit with oil extraction ball valve, fuel tank pass through conduit with it is cold
Oil pump is connected, and cold oil pump is connected by conduit with evaporator, and evaporator is connected by conduit with vapour separator, and vapour is separated
Device is connected by conduit with low-pressure meter, and low-pressure meter is connected by conduit with low pressure controller, low pressure controller
Enthalpy compressor is sprayed by conduit and twin-stage to be connected, twin-stage spray enthalpy compressor is connected by conduit with high-pressure controller,
High-pressure controller is connected by conduit with oil eliminator, and oil eliminator is connected by conduit with high pressure gauge, high pressure gauge
It is connected with condenser by conduit, condenser side surface is provided with outer rotor blower fan, condenser is connected by conduit with fluid reservoir
Connect, fluid reservoir is connected by conduit with device for drying and filtering, device for drying and filtering is connected by conduit with expansion valve, expansion valve leads to
Cross conduit to be connected with evaporator, evaporator is electrical connected by conduit with pressure gauge, pressure gauge passes through conduit and pressure switch
It is connected, pressure switch is connected by conduit with circular-pump, circular-pump is connected by conduit with heater, plus
Hot device is connected by conduit with pressure gauge, and pressure gauge is connected by conduit with temperature sensor, and temperature sensor is by leading
Pipe is connected with ball valve, and ball valve is connected by conduit with test component, and temperature sensor is experienced temperature and changed in a device
Into the sensor of usable output signal；Y-type filter has advanced structure in a device, and resistance is small, the features such as blowdown facilitates, can
The normal work of protection equipment, after fluid enters the filter cylinder for being equipped with certain specification filter screen, its impurity is blocked, and the filter cleaned
Liquid is then discharged by filter outlet, when cleaning is needed, as long as dismountable filter cylinder is taken out, is reloaded after treatment,
Therefore, working service extremely convenient；Ball valve is mainly used to make in device pipeline and cuts off, distributes and change the flowing side of medium
To it only needs to just be closed tightly with the operation being rotated by 90 ° and the rotating torque of very little；Proportioning valve is realized in automatically controlled mode
Throttling control to flow, valve port can as needed open any one aperture, thus control by the size of flow；Fuel tank
It is the special container of storage hydraulic oil or hydraulic fluid in hydraulic system；Repairing ball valve in pipeline be responsible for foreign medium cut-out or
Into the flow direction of unit, it only needs to just be closed tightly with the operation being rotated by 90 ° and the rotating torque of very little；Oil extraction
Ball valve is responsible for internal media cut-out in pipeline or gives off the flow direction of unit, and it is only needed to the operation being rotated by 90 °
Can just be closed with the rotating torque of very little tight；Cold oil pump runs machinery as power original paper；The condensation " liquid " of evaporator low temperature
The medium side that body passes through evaporator, indirectly the media with medium side carry out heat exchange, " gas " change heat absorption, reach the effect of refrigeration；
Vapour separator is used to the flash gas produced after separating, throttling, the device for preventing it from entering evaporator；Low-pressure meter direct measurement system
Cooling system gas returning port pressure value；Low pressure controller mainly monitors compressor return air mouthful pressure while being transformed to electric signal control
The work of electrical system.The setting value of controller is adjustable, and pressure is controlled by the break-make of contact；Twin-stage spray enthalpy compressor it
It is based on air injection enthalpy-increasing compressor, to optimize intermediate pressure section coolant injection technology, crosses an intermediate pressure suction hole suction part
The gas of intermediate pressure, recompression is mixed with by the refrigerant of Partial shrinkage, and realization realizes two stages of compression with single compressor, increases
Plus the refrigerant flow in condenser, the enthalpy difference of main circulation loop is increased, so as to substantially increase the efficiency of compressor, and
Increasing enthalpy technology does not influence refrigerating capacity and efficiency；Cryogenic system Two-stage Compression operation principle, in the absence of high compression ratio, machine is more
It is reliable；Operation of heat pump scope is extended, and improves cold operation reliability；Effect is more significantly under low temperature environment；Increasing enthalpy is high
Heat can effectively lower the auxiliary hot use time of electricity and frequency, to the highly effective fruit of power saving；High-pressure monitoring control devices compress
Machine gas outlet pressure exports detection signal or control signal simultaneously, and pressure is controlled by the break-make of contact；Oil eliminator its
Effect is that the lubricating oil in the high steam for discharging refrigeration compressor is separated, to ensure that equipment safety efficiently runs.
According to reducing air velocity and changing point oily principle of airflow direction, the elaioleucite in high steam is set to be divided under gravity
From；High pressure gauge directly monitors refrigeration system exhaust port pressure value；Finned cooler operation principle：Compressor will in refrigeration unit
The both vapor compression of lower pressure into elevated pressures steam, vapour volume it is relatively reduced and meanwhile raise, then press suction evaporation
Device out lower pressure working substance steam, enters condenser after pressure rise, condenser condenses the steam into pressure liquid higher, together
When throttled through choke valve after, as the relatively low liquid of pressure, send into evaporator；Outer rotor blower fan has efficiency high, noise low, heavy
Amount is light, compact conformation, it is convenient to install and maintain the features such as, be the effects such as condenser radiating；Device for drying and filtering is mainly and plays impurity
The effect of filtering.Its shell is to be closed up to be molded with copper tube, and two ends inlet and outlet connectors have two kinds of same footpath and reducing, and inlet side is crude metal
Net, it is fine metal mesh to go out end, can effectively impurity screening.The excellent molecular sieve of built-in moisture-absorption characteristics as drier, to inhale
The moisture in refrigerant is received, to ensure that capillary is unimpeded and refrigeration system normal work, when drier loses because absorbing dilutional hyponatremia
During effect, it should changed in time；It is wet as low-temp low-pressure that expansion valve makes the liquid refrigerant of middle temperature high pressure be throttled by it
Steam, then refrigerant heat is absorbed in evaporator and reaches refrigeration, expansion valve is become by the degree of superheat of evaporator end
Change and carry out control valve flow, prevent evaporator area underutilization and engine knock phenomenon；Pressure switch is for monitoring media
In-service pipeline pressure exports detection signal or control signal simultaneously, and pressure is controlled by the break-make of contact；Circular-pump
Using self-heating radiator structure, traditional water-cooling structure is changed, simple structure, small volume is saved operating cost, performance
It is good, it is heat-exchange apparatus coideal with applying mechanically pump using reliability；Heater reaches heating effect using electric energy, and power is big, body
Small, the quick heating of product；The temperature control device of present apparatus super large temperature range（- 30 °C to+150 °C）, accuracy of temperature control ± 0.5 °C.Pass through
Cold-storage and heating series connection in advance realizes temperature-compensating, it is possible to achieve the arbitrarily regulation from -30 °C to+150 °C, so as to meet automobile
The simulated environment limiting temperature test of part, there is provided correct test data.
In the present embodiment, test object is car engine, and test coal body enters engine cooling duct, to unfinished
Engine components are heated or the high and low rotating speed change in environment temperature and engine actual motion throughout the year of cooling simulation of global various regions
And various temperature changes and the temperature change of moment therewith, assembled again after the strict test of associated components of the producer, shut out
Never qualified products, make up the conventional inaccessiable high/low temperature of fluid temperature control device control on a large scale and complex working condition temperature control
Precision, synthesis conduction oil has low oil level high to show, coal body is had during low on fuel not enough by repairing ball valve addition fuel tank, fuel tank
Alarm sounds, unit can not start, and when oil mass is in the range of, can start cold oil pump and compressor.Mix cold coal through compressor pressure
Shorten HTHP gas into and drop to 38 °C by air-cooled condenser exothermic temperature and become liquid, being injected into height by expansion valve forces down
Warm gas enters evaporator B sides.Indirect heat exchange takes away the heat for entering evaporator A sides conduction oil and realizes refrigeration cool-down.Temperature
Control is by refrigeration module control ± 1 °C（- 38 °C to+5 °C adjustable）.Continuously operation does not stop cold oil pump.Circular-pump with it is cold
Oil pump is connected, after the cold oil that circular-pump gives cold oil pump pump carries out temperature-compensating（Heater is heated, PID ± 0.1 °C）Pump
Exchanged heat into test component, Circulation and Hot Oil Spray pump intake is returned through y-type filter, heating compensation circulation is pumped out again.（Heating
Process）The cold oil that cold oil pump pump is given is pumped via pipes into test component by circular-pump and cold oil series connection of pumps, circular-pump
Cooling heat exchange is carried out, deep fat returns to Circulation and Hot Oil Spray pump intake through y-type filter fraction, and now proportioning valve opens part, big portion
Divide deep fat that heat is overcome into fuel tank refrigeration unit.Refrigeration module and heating module Intelligent adjustment temperature simultaneously, so as to realize
The temperature control cold and hot on a large scale of test component.The temperature adjustment of PID ± 0.1 °C realizes that cold-storage of the temperature precision less than 5 ° can meet
The big heat that part of detecting takes back during fast cooling, protection compressor will not the degree of superheat it is bigger than normal, protect compressor.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel's some that to be made to some of which part variations embody principle of the present utility model, belong to the utility model
Protection domain within.
Claims (4)
1. a kind of temperature control device, including test component（1）, temperature sensor（2）, y-type filter（3）, ball valve（4）, proportioning valve
（5）, fuel tank（6）, repairing ball valve（7）, oil extraction ball valve（8）, cold oil pump（9）, evaporator（10）, vapour separator（11）, low-pressure meter
（12）, low pressure controller（13）, twin-stage spray enthalpy compressor（14）, high-pressure controller（15）, oil eliminator（16）, it is high
Pressure table（17）, condenser（18）, outer rotor blower fan（19）, fluid reservoir（20）, device for drying and filtering（21）, expansion valve（22）, pressure
Switch（23）, pressure gauge（26）, circular-pump（24）And heater（25）, it is characterised in that the test component（1）Side
By conduit and temperature sensor（2）It is electrically connected with, the test component（1）By conduit and y-type filter（3）Electrically connect
Connect, the y-type filter（3）By conduit and ball valve（4）It is electrically connected with, the ball valve（4）By conduit and proportioning valve（5）Electricity
Property connection, the proportioning valve（5）By conduit and fuel tank（6）It is electrically connected with, the fuel tank（6）By conduit and repairing ball valve
（7）It is connected, the fuel tank（6）By conduit and temperature sensor（2）It is electrically connected with, the fuel tank side is by conduit and row
Oily ball valve（8）It is connected, the fuel tank passes through conduit and cold oil pump（9）It is connected, the cold oil pump（9）By conduit and evaporation
Device（10）It is connected, the evaporator（10）By conduit and vapour separator（11）It is connected, the vapour separator（11）Pass through
Conduit and low-pressure meter（12）It is connected, the low-pressure meter（12）By conduit and low pressure controller（13）It is connected, it is described
Low pressure controller（13）Enthalpy compressor is sprayed by conduit and twin-stage（14）It is connected, the twin-stage sprays enthalpy compressor（14）It is logical
Cross conduit and high-pressure controller（15）It is connected, the high-pressure controller（15）By conduit and oil eliminator（16）
It is connected, the oil eliminator（16）By conduit and high pressure gauge（17）It is connected, the high pressure gauge（17）By conduit with it is cold
Condenser（18）It is connected, the condenser（18）Side surface is provided with outer rotor blower fan（19）, the condenser（18）By conduit
With fluid reservoir（20）It is connected, the fluid reservoir（20）By conduit and device for drying and filtering（21）It is connected, the dry filter
Device（21）By conduit and expansion valve（22）It is connected, the expansion valve（22）By conduit and evaporator（10）It is connected, institute
State evaporator（10）By conduit and pressure gauge（26）It is electrical connected, the pressure gauge（26）By conduit and pressure switch（23）
It is connected, the pressure switch（23）By conduit and circular-pump（24）It is connected, the circular-pump（24）Pass through
Conduit and heater（25）It is connected, the heater（25）By conduit and pressure gauge（26）It is connected, the pressure gauge
（26）By conduit and temperature sensor（2）It is connected, the temperature sensor（2）By conduit and ball valve（4）It is connected, institute
State ball valve（4）By conduit and test component（1）It is connected.
2. a kind of temperature control device according to claim 1, it is characterised in that the fuel tank（6）Inside it is provided with liquid level sensor
（27）.
3. a kind of temperature control device according to claim 1, it is characterised in that the circular-pump（24）And heater
（25）Between be provided with pressure switch（23）.
4. a kind of temperature control device according to claim 1, it is characterised in that the fuel tank（6）And pressure switch
（23）Between be provided with ball valve（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379241.2U CN206258750U (en) | 2016-12-15 | 2016-12-15 | A kind of temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379241.2U CN206258750U (en) | 2016-12-15 | 2016-12-15 | A kind of temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258750U true CN206258750U (en) | 2017-06-16 |
Family
ID=59029906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621379241.2U Expired - Fee Related CN206258750U (en) | 2016-12-15 | 2016-12-15 | A kind of temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258750U (en) |
-
2016
- 2016-12-15 CN CN201621379241.2U patent/CN206258750U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103940156B (en) | Cascade heat pump drying system and control method thereof | |
| CN104457002B (en) | Integrated double-cooling water chilling unit | |
| CN100402947C (en) | Thermostatic dehumidifying method and equipment | |
| CN106494185B (en) | Heat management recovery system and air-conditioner set and motor vehicles | |
| CN108343600A (en) | A kind of performance test bed and application method for compressor | |
| CN208832629U (en) | A kind of low-temperature cold water unit | |
| CN107014173B (en) | Direct-expansion solar-assisted closed-circuit heat pump drying system | |
| CN104879939A (en) | Air-conditioning system | |
| CN111413124B (en) | Cold and hot water heat pump and heat source tower heat pump low-cost test bench of wide operating mode operation | |
| CN206258750U (en) | A kind of temperature control device | |
| CN102600704B (en) | Mechanical vapour-recompression low-temperature air drier and method thereof | |
| CN207352871U (en) | A kind of breakdown of refrigeration system analysis and performance test experiment porch | |
| CN110052295B (en) | Uniform temperature rapid temperature change test box | |
| CN203572022U (en) | Air-energy heat pump | |
| CN204574584U (en) | A kind of novel energy-saving cooling by wind with pressure maintenance device | |
| CN108120039A (en) | The heat pump cycle of compressor Suck and exhaust pressure Fast-Balance after shutdown | |
| CN207147099U (en) | A kind of heat pipe heat exchanging dryer based on closed cycle principle | |
| CN206207774U (en) | The heat pump cycle of compressor Suck and exhaust pressure Fast-Balance after shutdown | |
| CN201885488U (en) | Screw type cooling system and control method thereof | |
| CN206362002U (en) | Freezing type drier | |
| CN212227442U (en) | Energy-saving explosion-proof one-driving-multiple refrigeration heating temperature control system | |
| CN203163338U (en) | Anti-explosion oil temperature controlling machine | |
| CN206831868U (en) | A kind of multifunctional cold and hot water air-conditioner set | |
| CN207881365U (en) | A kind of bypass type Analysis of Heat Pump Drying System | |
| CN207487169U (en) | Composite refrigeration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180606 Address after: 523000 No. 55, Tonggu two street, Xian Cun village, Dalang Town, Dongguan, Guangdong. Patentee after: Dongguan Sheng Dao machinery and Equipment Co., Ltd. Address before: 537000 429 Guangxi state sixty thousand forest farm, Yuzhou District, Yulin, the Guangxi Zhuang Autonomous Region Patentee before: Gan Xihua |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20181215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |