CN212842112U - Closed testing device for ventilation air conditioner - Google Patents
Closed testing device for ventilation air conditioner Download PDFInfo
- Publication number
- CN212842112U CN212842112U CN202021443622.9U CN202021443622U CN212842112U CN 212842112 U CN212842112 U CN 212842112U CN 202021443622 U CN202021443622 U CN 202021443622U CN 212842112 U CN212842112 U CN 212842112U
- Authority
- CN
- China
- Prior art keywords
- air
- pipeline
- conditioning unit
- combined
- air conditioning
- 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
Images
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an airtight testing device for a ventilation air conditioner, which comprises two airtight testing rooms and an assembly room, wherein a combined air conditioning unit is arranged in the assembly room, the air inlet end of the combined air conditioning unit is connected with a fresh air pipeline, and the air supply end is connected with an air supply pipeline; the air supply pipeline is respectively connected with an air quantity changing device after penetrating into the test room through the branches, and an air outlet of the air quantity changing device is connected with a square air diffuser and a strip-shaped air supply outlet; an air return box is also arranged on one side of the test room and is connected with the combined air conditioning unit through an air return pipeline; the combined air conditioning unit is also connected with an exhaust pipeline; the fresh air pipeline, the air supply pipeline and the return air pipeline are respectively provided with an air door opening adjusting device and a temperature detecting device; and the combined air conditioning unit is also provided with a monitoring device and a control device. The utility model discloses completion data acquisition and monitoring work that can simply relax has the characteristics that the data is accurate easily collected.
Description
Technical Field
The utility model relates to an air conditioner test technical field, in particular to airtight testing arrangement for ventilation air conditioner.
Background
At present, there are two methods for testing the cooling and heating capacities of an air conditioner, one is a balanced environment type room calorimeter method, and the other is an air enthalpy method. Most types of air conditioners can be tested for refrigerating and heating capacities according to the two testing methods. However, the fresh air system in the air conditioning system supplies fresh air to the interior of the room by using special equipment at one side of the closed interior of the room, and then discharges the fresh air to the exterior of the room by using the special equipment at the other side of the closed interior of the room, so that a fresh air flowing field can be formed indoors, and the requirement of indoor fresh air ventilation can be met. The implementation scheme is as follows: the new wind flow field is formed in the system by adopting a high wind pressure and large flow fan, supplying air from one side to the indoor by means of mechanical strength and discharging the air from the other side to the outdoor by a specially designed exhaust fan. The air entering the room is filtered, disinfected, sterilized, oxygenated and preheated (in winter) while the air is supplied. Therefore, the traditional method cannot be applied to a fresh air system for performance test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airtight testing arrangement for ventilation air conditioner. The utility model discloses completion data acquisition and monitoring work that can simply relax has the characteristics that the data is accurate easily collected.
The technical scheme of the utility model: the airtight testing device for the ventilation air conditioner comprises two airtight testing rooms for testing, an assembly room for installing an air conditioning assembly and a combined air conditioning unit positioned in the assembly room, wherein the air inlet end of the combined air conditioning unit is connected with a fresh air pipeline, and the air supply end of the combined air conditioning unit is connected with an air supply pipeline; the air supply pipeline is respectively connected with an air quantity changing device after penetrating into the test room through the branches, and an air outlet of the air quantity changing device is connected with a square air diffuser and a strip-shaped air supply outlet; the square air diffuser is arranged on the top wall of the middle part of the test room; the strip-shaped air supply outlet is arranged on the side wall of the test room; an air return box is also arranged on one side of the test room and is connected with the combined air conditioning unit through an air return pipeline; the combined air conditioning unit is also connected with an exhaust pipeline; the fresh air pipeline, the air supply pipeline and the return air pipeline are respectively provided with an air door opening adjusting device and a temperature detecting device; and the combined air conditioning unit is also provided with a monitoring device and a control device.
In the airtight testing device for the ventilation air conditioner, the air outlet of the return air pipeline is connected with the exhaust air pipeline and the fresh air pipeline in a shunting manner.
The air door opening adjusting device comprises a first air door adjusting device positioned at an air outlet of the exhaust pipeline, a second air door adjusting device positioned at an air inlet of the fresh air pipeline and a third air door adjusting device positioned at a joint of the return air pipeline and the fresh air pipeline.
According to the airtight testing device for the ventilation air conditioner, the air outlet of the variable air volume device is provided with the flow sensor.
According to the airtight testing device for the ventilation air conditioner, the temperature detection device comprises a first temperature sensor located on the fresh air pipeline, a second temperature sensor located on the air supply pipeline and a third temperature sensor located on the return air pipeline, and a fourth temperature sensor is further arranged in the testing room.
The monitoring device comprises a PM2.5 monitoring device positioned at a filter screen inside the combined air conditioning unit, an air conditioning water electromagnetic valve positioned inside the combined air conditioning unit, and a fan fault monitoring device and a fan running state monitoring device which are connected with a fan inside the combined air conditioning unit.
According to the sealing test device for the ventilation air conditioner, the control device comprises a start-stop controller and a rotating speed controller which are connected with the fan in the combined air conditioning unit.
Compared with the prior art, the utility model discloses a set up two inclosed test rooms and a subassembly room that is used for installing air conditioner subassembly, a operational environment for simulating new trend system, utilize the air supply volume device to change the air supply volume, realize the change of different parameters and collect, then to the new trend pipeline, air supply pipeline and return air pipeline set up air door aperture adjusting device and temperature-detecting device, utilize air door aperture adjusting device to adjust the mechanical properties of air current, so that can be used for testing the effect of new trend system through adjusting different test factors, the effectual waste that reduces the resource, the convenience and the accuracy of test have greatly been improved. Furthermore, the utility model discloses can also carry out the monitoring and the control of combination formula air conditioning unit operational aspect, be convenient for test under the situation of difference, further improve the variety of test.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a system schematic of the present invention.
Reference numerals
1. Testing the room; 2. a component room; 3. a combined air conditioning unit; 4. a fresh air duct; 5. An air supply duct; 6. an air volume changing device; 7. a square diffuser; 8. a strip-shaped air supply outlet; 9. an air return box; 10. a return air duct; 11. an exhaust duct; 12. a first damper adjustment device; 13. a second damper adjustment device; 14. a third damper adjustment device; 15. a flow sensor; 16. a first temperature sensor; 17. a third temperature sensor; 18. a fourth temperature sensor; 19. a PM2.5 monitoring device; 20. an air conditioning water solenoid valve; 21. a fan fault monitoring device; 22. a fan running state monitoring device; 23. starting and stopping the controller; 24. a rotational speed controller; 25. a second temperature sensor.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): the airtight testing device for the ventilation air conditioner comprises two airtight testing rooms 1 for testing, an assembly room 2 for installing air conditioning components and a combined air conditioning unit 3 positioned in the assembly room 2, wherein the airtight testing rooms 1 are utilized to reduce the interference of external factors; the combined air conditioning unit 3 in the embodiment adopts a single air pipe, and air is mixed, filtered and cooled, and the processed air is output by a fan; the air inlet end of the combined air conditioning unit 3 is connected with a fresh air pipeline 4, and the air supply end is connected with an air supply pipeline 5; the air supply pipeline 5 is respectively connected with an air variable device 6 after penetrating into the test room 1 through branches, the air variable device 6 is a VAV system and can be obtained commercially, an air outlet of the air variable device 6 is connected with a square air diffuser 7 and a strip-shaped air supply outlet 8, and the air diffuser and the strip-shaped air supply outlet 8 are used for outputting fresh air; the square air diffuser 7 is arranged on the top wall of the middle part of the test room 1; the strip-shaped air supply outlet 8 is arranged on the side wall of the test room 1; an air return box 9 is further arranged on one side of the test room 1, and the air return box 9 is connected with the combined air conditioning unit 3 through an air return pipeline 10; the combined air conditioning unit 3 is also connected with an exhaust pipeline 11, and an air outlet of the return air pipeline 10 is connected with the exhaust pipeline 11 and the fresh air pipeline 4 in a shunting manner; the fresh air pipeline 4, the air supply pipeline 5 and the return air pipeline 10 are all provided with an air door opening adjusting device and a temperature detecting device; and the combined air conditioning unit 3 is also provided with a monitoring device and a control device. The air door opening adjusting device can be obtained commercially and used for adjusting the mechanical characteristics of air flow, and comprises a first air door adjusting device 12 positioned at an air outlet of an exhaust pipeline 11, a second air door adjusting device 13 positioned at an air inlet of a fresh air pipeline 4 and a third air door adjusting device 14 positioned at the joint of an air return pipeline 10 and the fresh air pipeline 4; an air outlet of the variable air volume device 6 is provided with a flow sensor 15, and the flow sensor 15 can be obtained by market; the temperature detection device comprises a first temperature sensor 16 positioned on the fresh air pipeline 4, a second temperature sensor 25 positioned on the air supply pipeline 5 and a third temperature sensor 17 positioned on the return air pipeline 10, and a fourth temperature sensor 18 is also arranged in the test room 1; the temperature sensor can be obtained commercially, the monitoring device comprises a PM2.5 monitoring device 19 positioned at a filter screen in the combined air conditioning unit, the PM2.5 monitoring device 19 consists of two PM2.5 sensors arranged at the front and the rear of the filter screen, and the sensors can be obtained commercially, an air conditioning water electromagnetic valve 20 positioned in the combined air conditioning unit, a fan fault monitoring device 21 and a fan running state monitoring device 22 which are connected with a fan in the combined air conditioning unit; the control device comprises a start-stop controller 23 and a rotating speed controller 24 which are connected with a fan in the combined air conditioning unit; the fan fault monitoring device 21, the fan running state monitoring device 22, the start-stop controller 23 and the rotating speed controller 24 are all arranged on a control circuit board, and the control circuit board is well known and mastered by the technical personnel in the field and can also be obtained by trial sale; it should be noted that, what is improved in this embodiment is the layout and connection relationship between the components, and not the improvement of the test method, and the test results of this embodiment are obtained by acquiring data and then performing calculations on the existing methods or technologies, so as to obtain calculation results, such as temperature change, entropy calculation, flow change, and the like.
The working principle is as follows:
detecting the temperature of the test room 1 by using a fourth temperature sensor 18, and transmitting the temperature of the test room 1 to the control circuit board; the temperature of the fresh air entering from the fresh air pipeline 4 is detected by a first temperature sensor 16 and is transmitted to a control circuit board, the temperature of the test room 1, the temperature of the fresh air and a set value are compared by the control circuit board, the temperature reduction or temperature rise amplitude needing to be adjusted is calculated, the running state of the fan is controlled by a control device, the temperature of the air entering into the air supply pipeline 5 is adjusted, the air supply of the air supply pipeline 5 enters into a variable air volume device 6 through a branch, the air supply flow entering into the test room 1 is adjusted by the variable air volume device 6, the numerical value is recorded by a flow sensor 15 and is fed back to the control circuit board, then the air supply enters into the test room 1, the temperature is recorded and fed back by a fourth temperature sensor 18 of the test room 1 and a third temperature sensor 17 of the return air pipeline 10 respectively, and. Furthermore, the PM2.5 monitoring device 19 on the filter screen is used for detecting the performance of the filter screen in the combined air conditioning unit 3, the air conditioning water flow rate is monitored by the air conditioning water electromagnetic valve 20, and the running condition of the fan can be detected and controlled, so that diversified numerical data are obtained, and a multi-factor test result is realized.
Claims (7)
1. A closed test device for a ventilation air conditioner, which comprises two closed test rooms (1) for testing and a component room (2) for installing air conditioning components, and a combined air conditioning unit (3) positioned in the component room (2), and is characterized in that: the air inlet end of the combined air conditioning unit (3) is connected with a fresh air pipeline (4), and the air supply end is connected with an air supply pipeline (5); the air supply pipeline (5) penetrates into the test room (1) through the branches respectively and then is connected with an air quantity changing device (6), and an air outlet of the air quantity changing device (6) is connected with a square air diffuser (7) and a strip-shaped air supply outlet (8); the square air diffuser (7) is arranged on the top wall of the middle part of the test room (1); the strip-shaped air supply outlet (8) is arranged on the side wall of the test room (1); an air return box (9) is further arranged on one side of the test room (1), and the air return box (9) is connected with the combined air conditioning unit (3) through an air return pipeline (10); the combined air conditioning unit (3) is also connected with an exhaust pipeline (11); the fresh air pipeline (4), the air supply pipeline (5) and the return air pipeline (10) are respectively provided with an air door opening adjusting device and a temperature detecting device; and the combined air conditioning unit (3) is also provided with a monitoring device and a control device.
2. The tightness test device for a ventilating air conditioner according to claim 1, wherein: and an air outlet of the air return pipeline (10) is connected with the exhaust pipeline (11) and the fresh air pipeline (4) in a shunting manner.
3. The tightness test device for a ventilating air conditioner according to claim 2, wherein: the air door opening degree adjusting device comprises a first air door adjusting device (12) positioned at an air outlet of the exhaust duct (11), a second air door adjusting device (13) positioned at an air inlet of the fresh air duct (4) and a third air door adjusting device (14) positioned at a joint of the return air duct (10) and the fresh air duct (4).
4. The tightness test device for a ventilating air conditioner according to claim 3, wherein: and an air outlet of the air volume changing device (6) is provided with a flow sensor (15).
5. The tightness test device for a ventilating air conditioner according to claim 1, wherein: the temperature detection device comprises a first temperature sensor (16) positioned on the fresh air pipeline (4), a second temperature sensor (25) positioned on the air supply pipeline (5) and a third temperature sensor (17) positioned on the return air pipeline (10), and a fourth temperature sensor (18) is further arranged in the test room (1).
6. The tightness test device for a ventilating air conditioner according to claim 1, wherein: the monitoring device comprises a PM2.5 monitoring device (19) positioned at a filter screen inside the combined air conditioning unit (3), an air conditioning water electromagnetic valve (20) positioned inside the combined air conditioning unit (3), a fan fault monitoring device (21) connected with a fan inside the combined air conditioning unit (3) and a fan running state monitoring device (22).
7. The tightness test device for a ventilating air conditioner according to claim 1, wherein: the control device comprises a start-stop controller (23) and a rotating speed controller (24) which are connected with a fan in the combined air conditioning unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021443622.9U CN212842112U (en) | 2020-07-21 | 2020-07-21 | Closed testing device for ventilation air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021443622.9U CN212842112U (en) | 2020-07-21 | 2020-07-21 | Closed testing device for ventilation air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842112U true CN212842112U (en) | 2021-03-30 |
Family
ID=75119273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021443622.9U Expired - Fee Related CN212842112U (en) | 2020-07-21 | 2020-07-21 | Closed testing device for ventilation air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212842112U (en) |
-
2020
- 2020-07-21 CN CN202021443622.9U patent/CN212842112U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3014479C (en) | Integrated heat and energy recovery ventilator system | |
| CN206257781U (en) | A kind of laboratory multistage ventilated energy-saving control system | |
| CN203758765U (en) | Test apparatus for the performance of a refrigerating and air-conditioning system | |
| CN102645327B (en) | Method for detecting welding blockage of electronic outdoor unit expansion valves of multi-coupled air-conditioning unit | |
| US11609046B2 (en) | Detecting loss of charge in HVAC systems | |
| CN103063457A (en) | Finished automobile air conditioning system simulation test device and method | |
| CN108302726A (en) | A kind of laboratory multistage ventilated energy-saving control system | |
| Katipamula et al. | Rooftop unit embedded diagnostics: Automated fault detection and diagnostics (AFDD) development, field testing and validation | |
| CN107062538A (en) | A kind of air conditioner intelligent detecting method | |
| CN103307818B (en) | The control method of air-conditioning system and the anti-liquid hammer of air-conditioning system | |
| CN109489215A (en) | A kind of wind speed self-adaptation control method, control device and unitary air handling unit | |
| CN212842112U (en) | Closed testing device for ventilation air conditioner | |
| CN107655083A (en) | A kind of device and its implementation of the plenum chamber balanced ventilation of control data center | |
| CN102184672B (en) | Digital vortex multi-connected air conditioner refrigerating system teaching training station | |
| CN207279847U (en) | A kind of combined air conditioner with Temperature Humidity Sensor | |
| CN108645692A (en) | A kind of mattress formaldehyde and TVOC detection devices | |
| CN101963626A (en) | Extremely low-temperature environmental test shelter | |
| CN103791596A (en) | Method for judging whether resistance values of temperature sensors of multi-union air conditioner of refrigeration mode deviate | |
| CN208270316U (en) | A kind of mattress formaldehyde and TVOC detection device | |
| CN103614891A (en) | Marine clothes drying cabinet control method | |
| CN204612067U (en) | A kind of air-conditioning energy efficiency detection system | |
| CN103791587B (en) | Judge the method whether the heat detector resistance of the combined air conditioners of heating mode offsets | |
| CN111043698B (en) | Modularization new trend preprocessing equipment | |
| CN209432400U (en) | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment | |
| CN217884270U (en) | Object-oriented electrical cabinet cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |