CN112558652A - Inside temperature control system of high-voltage frequency conversion cabinet - Google Patents
Inside temperature control system of high-voltage frequency conversion cabinet Download PDFInfo
- Publication number
- CN112558652A CN112558652A CN202011588061.6A CN202011588061A CN112558652A CN 112558652 A CN112558652 A CN 112558652A CN 202011588061 A CN202011588061 A CN 202011588061A CN 112558652 A CN112558652 A CN 112558652A
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- Prior art keywords
- frequency conversion
- voltage frequency
- conversion cabinet
- air
- air conditioner
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
- G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Remote Sensing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a temperature control system in a high-voltage frequency conversion cabinet, which comprises a high-voltage frequency conversion cabinet unit, an air conditioner air supply unit and a control unit, wherein the air conditioner air supply unit is communicated with the high-voltage frequency conversion cabinet unit, the high-voltage frequency conversion cabinet unit comprises a plurality of high-voltage frequency conversion cabinets, frequency conversion cabinet temperature sensors are arranged in the high-voltage frequency conversion cabinets, the air conditioner air supply unit is respectively communicated with the interiors of the plurality of high-voltage frequency conversion cabinets, and the control unit is respectively and electrically connected with the frequency conversion cabinet temperature sensors and the. Compared with the prior art, the air conditioner air supply unit can simultaneously supply cold air into the plurality of high-voltage frequency conversion cabinets so as to simultaneously regulate and control the internal temperature of each high-voltage frequency conversion cabinet, thereby reducing the overall energy consumption, improving the energy utilization rate and ensuring the accuracy and the safety of the temperature control of the whole system.
Description
Technical Field
The invention belongs to the technical field of high-voltage frequency conversion cabinets, and relates to an internal temperature control system of a high-voltage frequency conversion cabinet.
Background
For a 10KV high-voltage frequency conversion cabinet, if the frequency conversion cabinet is provided with a self-contained air conditioner, the heat in the high-voltage frequency conversion cabinet can be discharged in time; however, if the self-contained air conditioner is not equipped, the problem of heat dissipation inside the high-voltage frequency conversion cabinet can be serious, especially in hot summer, if the heat inside the high-voltage frequency conversion cabinet can not be discharged in time, the temperature inside the high-voltage frequency conversion cabinet can be too high, the frequency converter installed in the high-voltage frequency conversion cabinet has higher requirements on the temperature, the too high temperature can damage the circuit board, and the normal operation of the production process can be influenced when the temperature is serious.
Disclosure of Invention
The invention aims to provide an internal temperature control system of a high-voltage frequency conversion cabinet, which can accurately control the internal temperature of the high-voltage frequency conversion cabinet.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an inside temperature control system of high-voltage inverter cabinet, this system include high-voltage inverter cabinet unit, air conditioner air supply unit and the control unit that is linked together with high-voltage inverter cabinet unit, high-voltage inverter cabinet unit include a plurality of high-voltage inverter cabinets, high-voltage inverter cabinet's inside be equipped with inverter cabinet temperature sensor, air conditioner air supply unit be linked together with the inside of a plurality of high-voltage inverter cabinets respectively, the control unit be connected with inverter cabinet temperature sensor and air conditioner air supply unit electricity respectively. Under the regulation and control of the control unit, the air supply unit of the air conditioner can simultaneously supply cold air into the high-voltage frequency conversion cabinets so as to simultaneously regulate and control the internal temperature of each high-voltage frequency conversion cabinet. Each frequency conversion cabinet temperature sensor can monitor the corresponding internal temperature of the high-voltage frequency conversion cabinet and feed back the internal temperature to the control unit.
Furthermore, the air supply unit of the air conditioner comprises an air conditioner electrically connected with the control unit and an air supply main pipe connected with the air conditioner, and air supply branch pipes are arranged between the air supply main pipe and each high-voltage frequency conversion cabinet. The air conditioner is used for generating cold air and sending the cold air into the corresponding high-voltage frequency conversion cabinet through the air supply main pipe and each air supply branch pipe so as to cool the inside of the high-voltage frequency conversion cabinet.
Furthermore, the air supply branch pipe is provided with a frequency conversion cabinet electric air valve which is electrically connected with the control unit. The inside temperature feedback of frequency conversion cabinet to the control unit with corresponding high-voltage frequency conversion cabinet temperature sensor, the control unit regulates and control corresponding frequency conversion cabinet electronic blast gate's aperture to independently adjust the cold wind volume that gets into this high-voltage frequency conversion cabinet inside, and then realize the independent regulation and control to each high-voltage frequency conversion cabinet inside temperature.
Furthermore, an air-conditioning electric air valve is arranged on the air supply main pipe and is electrically connected with the control unit. The air conditioner electric air valve controls the air supply total amount of the air conditioner.
Further, the air conditioner is a water-cooled air conditioner. The water-cooled air conditioner uses cooling water as a cold source.
Furthermore, the air conditioner is provided with a cooling water inlet pipe, the cooling water inlet pipe is provided with an electric water valve, and the electric water valve is electrically connected with the control unit. The control unit regulates and controls the opening of the electric water valve so as to regulate the refrigerating temperature of the water-cooled air conditioner.
Furthermore, an air conditioner air outlet temperature sensor is arranged on the air supply main pipe and is electrically connected with the control unit. The air-conditioning outlet temperature sensor monitors the temperature of the air-conditioning outlet and feeds the temperature back to the control unit; when the temperature of the air outlet of the air conditioner exceeds the specified range, the control unit adjusts the opening degree of the electric water valve to enable the refrigerating temperature of the air conditioner to meet the requirement.
Furthermore, a bypass pipe is arranged on the cooling water inlet pipe, and a bypass valve connected with the electric water valve in parallel is arranged on the bypass pipe.
Further, the control unit comprises a control box. The control box carries out the total control to high-voltage frequency conversion cabinet unit, air conditioner air supply unit.
Furthermore, the control unit also comprises a temperature control instrument electrically connected with the control box and an alarm electrically connected with the temperature control instrument. The temperature control instrument can display the temperature values of the temperature sensors of the frequency conversion cabinets and the air outlet of the air conditioner, and if a certain temperature value is abnormal, the temperature control instrument can control the alarm to give an alarm.
When the temperature inside the high-voltage frequency conversion cabinet rises in practical application, the corresponding frequency conversion cabinet temperature sensor sends an instruction to the control box, the control box regulates and controls the air conditioner and the electric water valve to start running, meanwhile, the electric air valve of the air conditioner and the corresponding electric air valve of the frequency conversion cabinet are opened, and cold air is fed into the high-voltage frequency conversion cabinet to cool the inside of the high-voltage frequency conversion cabinet. The air conditioner air outlet temperature sensor controls the opening of the electric water valve under the regulation and control of the control box; the temperature sensor of the frequency conversion cabinet controls the opening of the electric air valve of the frequency conversion cabinet under the regulation and control of the control box; the control box can send a signal to the temperature control instrument, the whole temperature is displayed on the temperature control instrument, and if some part fails, the alarm gives an alarm.
Compared with the prior art, the invention has the following characteristics:
1) the air conditioner air supply unit is arranged outside the high-voltage frequency conversion cabinet, and cold air can be simultaneously fed into the high-voltage frequency conversion cabinets through the air conditioner air supply unit so as to simultaneously regulate and control the internal temperature of each high-voltage frequency conversion cabinet, so that the transformation that the air conditioner is independently additionally installed on the existing high-voltage frequency conversion cabinet without the self-provided air conditioner is avoided, and meanwhile, compared with the high-voltage frequency conversion cabinet with the self-provided air conditioner, the air conditioner air supply unit can cool the high-voltage frequency conversion cabinets, the integral energy consumption is reduced, and the energy utilization rate is improved;
2) each high-voltage frequency conversion cabinet is provided with a frequency conversion cabinet temperature sensor and a frequency conversion cabinet electric air valve, so that the temperature of a single high-voltage frequency conversion cabinet can be ensured; the air conditioner is provided with an air conditioner air outlet temperature sensor and an electric water valve, so that the overall temperature can be guaranteed, and the accuracy and the safety of the temperature control of the whole system are further guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
the notation in the figure is:
the system comprises a high-voltage frequency conversion cabinet 1, a frequency conversion cabinet 2, a temperature sensor 3, an air conditioner, an air supply header pipe 4, an air supply branch pipe 5, an electric air valve 6, an electric air valve 7, an electric air valve 8, a cooling water inlet pipe 9, an electric water valve 10, an air conditioner air outlet temperature sensor 11, a bypass pipe 12, a bypass valve 13, a control box 14, a temperature control instrument 14 and an alarm 15.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
as shown in fig. 1, the system for controlling the temperature inside the high-voltage frequency conversion cabinet comprises a high-voltage frequency conversion cabinet unit, an air conditioner air supply unit and a control unit, wherein the air conditioner air supply unit and the control unit are communicated with the high-voltage frequency conversion cabinet unit, the high-voltage frequency conversion cabinet unit comprises a plurality of high-voltage frequency conversion cabinets 1, a frequency conversion cabinet temperature sensor 2 is arranged inside the high-voltage frequency conversion cabinet 1, the air conditioner air supply unit is respectively communicated with the insides of the plurality of high-voltage frequency conversion cabinets 1, and the control unit is respectively electrically connected with the frequency conversion.
The air supply unit of the air conditioner comprises an air conditioner 3 electrically connected with the control unit and an air supply main pipe 4 connected with the air conditioner 3, and an air supply branch pipe 5 is arranged between the air supply main pipe 4 and each high-voltage frequency conversion cabinet 1. And the air supply branch pipe 5 is provided with a frequency conversion cabinet electric air valve 6, and the frequency conversion cabinet electric air valve 6 is electrically connected with the control unit. An air-conditioning electric air valve 7 is arranged on the air supply main pipe 4, and the air-conditioning electric air valve 7 is electrically connected with the control unit.
The air conditioner 3 is a water-cooled air conditioner. The air conditioner 3 is provided with a cooling water inlet pipe 8, the cooling water inlet pipe 8 is provided with an electric water valve 9, and the electric water valve 9 is electrically connected with the control unit. An air-conditioning outlet temperature sensor 10 is arranged on the air supply main pipe 4, and the air-conditioning outlet temperature sensor 10 is electrically connected with the control unit. A bypass pipe 11 is arranged on the cooling water inlet pipe 8, and a bypass valve 12 connected with the electric water valve 9 in parallel is arranged on the bypass pipe 11.
The control unit comprises a control box 13. The control unit further includes a temperature control instrument 14 electrically connected to the control box 13 and an alarm 15 electrically connected to the temperature control instrument 14.
In practical application, when the temperature in the high-voltage frequency conversion cabinet 1 rises, the corresponding frequency conversion cabinet temperature sensor 2 sends an instruction to the control box 13, the control box 13 regulates and controls the air conditioner 3 and the electric water valve 9 to start running, meanwhile, the air conditioner electric air valve 7 and the corresponding frequency conversion cabinet electric air valve 6 are opened, and cold air is fed into the high-voltage frequency conversion cabinet 1 to cool the inside. The air conditioner air outlet temperature sensor 10 controls the opening of the electric water valve 9 under the regulation and control of the control box 13; the frequency conversion cabinet temperature sensor 2 controls the opening degree of the electric air valve 6 of the frequency conversion cabinet under the regulation and control of the control box 13; the control box 13 sends a signal to the temperature control instrument 14, the overall temperature is displayed on the temperature control instrument 14, and if some part fails, the alarm 15 gives an alarm.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides an inside temperature control system of high-voltage frequency conversion cabinet, its characterized in that, this system include high-voltage frequency conversion cabinet unit, air conditioner air supply unit and the control unit who is linked together with high-voltage frequency conversion cabinet unit, high-voltage frequency conversion cabinet unit include a plurality of high-voltage frequency conversion cabinets (1), the inside of high-voltage frequency conversion cabinet (1) be equipped with frequency conversion cabinet temperature sensor (2), air conditioner air supply unit be linked together with the inside of a plurality of high-voltage frequency conversion cabinets (1) respectively, the control unit be connected with frequency conversion cabinet temperature sensor (2) and air conditioner air supply unit electricity respectively.
2. The internal temperature control system of the high-voltage frequency conversion cabinet according to claim 1, wherein the air-conditioning air supply unit comprises an air conditioner (3) electrically connected with the control unit and an air supply main pipe (4) connected with the air conditioner (3), and an air supply branch pipe (5) is arranged between the air supply main pipe (4) and each high-voltage frequency conversion cabinet (1).
3. The internal temperature control system of the high-voltage frequency conversion cabinet according to claim 2, wherein the air supply branch pipe (5) is provided with an electric air valve (6) of the frequency conversion cabinet, and the electric air valve (6) of the frequency conversion cabinet is electrically connected with the control unit.
4. The internal temperature control system of the high-voltage frequency conversion cabinet is characterized in that an air-conditioning electric air valve (7) is arranged on the air supply main pipe (4), and the air-conditioning electric air valve (7) is electrically connected with a control unit.
5. The internal temperature control system of high-voltage inverter cabinet according to claim 2, wherein the air conditioner (3) is a water-cooled air conditioner.
6. The internal temperature control system of the high-voltage frequency conversion cabinet according to claim 5, wherein the air conditioner (3) is provided with a cooling water inlet pipe (8), the cooling water inlet pipe (8) is provided with an electric water valve (9), and the electric water valve (9) is electrically connected with the control unit.
7. The internal temperature control system of the high-voltage frequency conversion cabinet according to claim 6, wherein an air-conditioning outlet temperature sensor (10) is arranged on the air supply main pipe (4), and the air-conditioning outlet temperature sensor (10) is electrically connected with the control unit.
8. The internal temperature control system of the high-voltage frequency conversion cabinet is characterized in that a bypass pipe (11) is arranged on the cooling water inlet pipe (8), and a bypass valve (12) connected with the electric water valve (9) in parallel is arranged on the bypass pipe (11).
9. The system for controlling the internal temperature of a high-voltage inverter cabinet according to claim 1, wherein the control unit comprises a control box (13).
10. The internal temperature control system of the high-voltage frequency conversion cabinet is characterized in that the control unit further comprises a temperature control instrument (14) electrically connected with the control box (13) and an alarm (15) electrically connected with the temperature control instrument (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588061.6A CN112558652A (en) | 2020-12-28 | 2020-12-28 | Inside temperature control system of high-voltage frequency conversion cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588061.6A CN112558652A (en) | 2020-12-28 | 2020-12-28 | Inside temperature control system of high-voltage frequency conversion cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112558652A true CN112558652A (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011588061.6A Pending CN112558652A (en) | 2020-12-28 | 2020-12-28 | Inside temperature control system of high-voltage frequency conversion cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112558652A (en) |
-
2020
- 2020-12-28 CN CN202011588061.6A patent/CN112558652A/en active Pending
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