CN208971400U - Compressor test variable-voltage power supply device - Google Patents
Compressor test variable-voltage power supply device Download PDFInfo
- Publication number
- CN208971400U CN208971400U CN201821504090.8U CN201821504090U CN208971400U CN 208971400 U CN208971400 U CN 208971400U CN 201821504090 U CN201821504090 U CN 201821504090U CN 208971400 U CN208971400 U CN 208971400U
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- CN
- China
- Prior art keywords
- contactor
- breaker
- power supply
- voltage power
- supply device
- 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
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Abstract
The utility model discloses compressor test variable-voltage power supply devices, it is related to mechanical test technical field, the first breaker including playing control and protective effect in circuit, first contactor is connected on the cathode of first breaker, second contactor and the second breaker are connected on the first contactor cathode, the cathode of the second contactor and the secondary end of transformer connect, the secondary end is provided with plurality of voltages input terminal, it is often provided with third contactor on the way in the plurality of voltages input of the secondary end, the 4th contactor is provided between the every two third contactor.The utility model is inputted by the way that multichannel is arranged at transformer secondary output end, and compressor test variable-voltage power supply device can be made to realize the stack combinations output of multiple groups voltage output or different voltages, at low cost, testing efficiency is high.
Description
Technical field
The utility model relates to a kind of mechanical test technical field, specifically a kind of variable-voltage power supply for compressor test
Device.
Background technique
In compressor test, needs to carry out compressor periodical load and unloading, be worked with test compression machine not
It is whether stable with the performance under load.The voltage of existing compressor test variable-voltage power supply equipment output is relatively simple, Wu Fazhi
It can control multiple groups output voltage and facilitate test compression machine；Single variable-voltage power supply output, enterprise's manufacturing cost height, low efficiency, nothing
Method meets the compressor test of different capacity, and some powerful variable-voltage power supplies, structure is complicated, follow-up maintenance is extremely difficult.
Utility model content
The technical issues of the utility model solves is to provide the compressor of a kind of low cost, high efficiency, multiple groups voltage output
Test variable-voltage power supply device.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of compressor test is filled with variable-voltage power supply
It sets, the first breaker including playing control and protective effect in circuit, is connected with first on the cathode of first breaker
Contactor is connected with second contactor and the second breaker, the cathode of the second contactor on the first contactor cathode
It is connect with the secondary end of transformer, the secondary end is provided with plurality of voltages input terminal, the plurality of voltages input of the secondary end
In per being provided with third contactor on the way, be provided with the 4th contactor between the every two third contactor.
Further, every realized all the way by third contactor in the plurality of voltages input terminal of the secondary end is gone here and there
Connection.
Further, further include be connected among the first breaker and first contactor for control first contactor,
The PLC controller of second contactor, third contactor, the 4th contactor and the second breaker.
Further, setting is used for the temperature sensor of detection coil temperature on the coil of the secondary end.
Further, the first contactor, second contactor, third contactor and the 4th contactor are ac contactor
Device.
Further, first breaker is mold cased circuit breaker, second breaker is formwork type breaker.
The beneficial effects of the utility model are: inputting by the way that multichannel is arranged at transformer secondary output end, compressor can be made to survey
Variable-voltage power supply device on probation realizes the stack combinations output of multiple groups voltage output or different voltages；By being arranged in circuit
PLC controller reduces the external cabling of control equipment, convenient later maintenance so that variable-voltage power supply device performance is more stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the potential device of compressor test；
Fig. 2 is a kind of embodiment of variable-voltage power supply of compressor test.
In the figure, it is marked as the first breaker 1, PLC controller 2, first contactor 3, the second breaker 4, second contactor
5, third contactor 6, secondary end 7, transformer 8, temperature sensor 9, the 4th contactor 10.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of compressor test variable-voltage power supply device described in the utility model, including rise in circuit
First contactor 3, described first are connected on control and the first breaker 1 of protective effect, the cathode of first breaker 1
Be connected on 3 cathode of contactor second contactor 5 and the second breaker 4, the second contactor 5 cathode on be connected with transformation
Device 8, the transformer 8 secondary end 7 on be provided with 200V, 160V, 80V, 40V, 20V, 10V, 5V plurality of voltages input terminal, also
It is connect including being connected among the first breaker 1 and first contactor 3 for controlling first contactor 3, second contactor 5, third
The PLC controller 2 of tentaculum 6 and the second breaker 4；Transformer is arranged to multichannel input, and compressor test transformation can be made electric
Source device realizes the stack combinations output of multiple groups voltage output or different voltages.
Specifically, the commercial power of 380V, 50HZ are connected to the first breaker 1 of its protection of entire circuit and control action
End of incoming cables, the leading-out terminal of the first breaker 1 and control first contactor 3, second contactor 5, third contactor 6 and second are breaking
The PLC controller 2 of device 4 is connected, the first contactor 3 that PLC controller 2 and main control line road are powered or power off, with described the
The second contactor 5 and switch can be worked as in the line that control 8 route of transformer that one contactor, 3 cathode is connected is powered or powers off
With the formwork type breaker that can work as breaker again, the cathode of the second contactor 5 is connected with transformer 8, the transformer 8
Secondary end 7 be provided with 200V, 160V, 80V, 40V, 20V, 10V, 5V plurality of voltages input, with meet different voltages test pressure
Contracting machine.
On the basis of the above, it is often provided with third contactor 6 on the way in the plurality of voltages input of the secondary end 7,
The 4th contactor 10, often passing through all the way in the plurality of voltages input are provided between the every two third contactor 6
Third contactor 6 realizes series connection.When need 200V or 160V or 80V or 40V or 20V or 10V or 5V or other can combine
When the voltage of numerical value, by corresponding on circuit in the control of PLC controller 2 first contactor 3, second contactor 5 and secondary end 7
Third contactor 6 be closed, the supply voltage needed tests compressor.
Specifically, it is provided with 200V, 160V, 80V, 40V, 20V, 10V, 5V on secondary end 7, corresponds to third contactor 6
Number be respectively 61,62,63,64,65,66,67, the number for corresponding to the 4th contactor 10 is respectively 101,102,103,
104,105,106,107；As shown in Fig. 2, when needing 160V voltage, contactor 101,62,103,104,105,106 and 107
Closure, which is powered, can realize that output 160V voltage tests compressor, more by being arranged on the secondary end 7 of transformer 8
Road voltage input realizes the output and superimposed voltage output of different voltages, has saved cost.
On the basis of the above, the temperature sensor 9 for detection coil temperature is provided on the coil of the secondary end 7,
It prevents coil temperature excessively high, device is caused to damage.The first contactor 3, second contactor 5, third contactor 6 are exchange
Contactor.First breaker 1 is mold cased circuit breaker, and function is relatively easy, electromagnetic trip, undervoltage tripping, fault trip,
The functions such as alarm, can be with several groups of auxiliary contacts；Second breaker 4 is formwork type breaker, and formwork type breaker, which has, to be opened
The function of device and automatic citrcuit bearker, small in size, high reliablity are closed, installation is easy, and is closed into formwork type, and energization dress is not exposed
It sets, no danger of electric shock.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (6)
1. compressor test variable-voltage power supply device, it is characterised in that: first including playing control and protective effect in circuit is disconnected
Road device (1) is connected with first contactor (3) on the cathode of first breaker (1), on first contactor (3) cathode
It is connected with second contactor (5) and the second breaker (4), the cathode of the second contactor (5) and the secondary end of transformer (8)
(7) it connects, the secondary end (7) is provided with plurality of voltages input terminal, each in the plurality of voltages input of the secondary end (7)
Road is provided with third contactor (6), and the 4th contactor (10) is provided between every two third contactor (6).
2. compressor test variable-voltage power supply device as described in claim 1, it is characterised in that: the multichannel of the secondary end (7)
Every realized all the way by third contactor (6) in voltage input end is connected.
3. compressor test variable-voltage power supply device as claimed in claim 1 or 2, it is characterised in that: further include being connected to first
For controlling first contactor (3), second contactor (5), third contactor among breaker (1) and first contactor (3)
(6), the PLC controller (2) of the 4th contactor (10) and the second breaker (4).
4. compressor test variable-voltage power supply device as claimed in claim 3, it is characterised in that: the coil of the secondary end (7)
Upper setting is used for the temperature sensor (9) of detection coil temperature.
5. compressor test variable-voltage power supply device as described in claim 1, it is characterised in that: the first contactor (3),
Two contactors (5), third contactor (6) and the 4th contactor (10) are A.C. contactor.
6. compressor test variable-voltage power supply device as described in claim 1, it is characterised in that: first breaker (1) is
Mold cased circuit breaker, second breaker (4) are formwork type breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504090.8U CN208971400U (en) | 2018-09-14 | 2018-09-14 | Compressor test variable-voltage power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504090.8U CN208971400U (en) | 2018-09-14 | 2018-09-14 | Compressor test variable-voltage power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971400U true CN208971400U (en) | 2019-06-11 |
Family
ID=66755952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821504090.8U Expired - Fee Related CN208971400U (en) | 2018-09-14 | 2018-09-14 | Compressor test variable-voltage power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208971400U (en) |
-
2018
- 2018-09-14 CN CN201821504090.8U patent/CN208971400U/en not_active Expired - Fee Related
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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: 20190611 Termination date: 20200914 |