JPH0241043U - - Google Patents
Info
- Publication number
- JPH0241043U JPH0241043U JP11849988U JP11849988U JPH0241043U JP H0241043 U JPH0241043 U JP H0241043U JP 11849988 U JP11849988 U JP 11849988U JP 11849988 U JP11849988 U JP 11849988U JP H0241043 U JPH0241043 U JP H0241043U
- Authority
- JP
- Japan
- Prior art keywords
- circulation
- pump
- detects
- pressure sensor
- circulation waterway
- 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.)
- Pending
Links
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control For Baths (AREA)
- Details Of Fluid Heaters (AREA)
Description
第１図は本考案の一実施例を示す全体構成図で
ある。
１……スイツチ、２……圧力センサ、３……循
環ポンプ、８……制御回路、９……循環水路。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention. 1...Switch, 2...Pressure sensor, 3...Circulation pump, 8...Control circuit, 9...Circulation waterway.
Claims (1)
と、循環ポンプの上流側の循環水路内の水圧を検
出する圧力センサと、前記スイツチのオン時に圧
力センサの検出値が所定負圧値となるよう循環ポ
ンプの回転数をフイードバツク制御する制御回路
を設けたことを特徴とする風呂等の循環水路の凍
結防止装置。 A switch that turns on when the ambient temperature is below a predetermined value, a pressure sensor that detects the water pressure in the circulation waterway upstream of the circulation pump, and a pressure sensor that detects the water pressure in the circulation waterway on the upstream side of the circulation pump. A freezing prevention device for a circulation waterway in a bath, etc., characterized by being provided with a control circuit for feedback controlling the rotation speed of a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11849988U JPH0241043U (en) | 1988-09-08 | 1988-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11849988U JPH0241043U (en) | 1988-09-08 | 1988-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241043U true JPH0241043U (en) | 1990-03-20 |
Family
ID=31362914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11849988U Pending JPH0241043U (en) | 1988-09-08 | 1988-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241043U (en) |
-
1988
- 1988-09-08 JP JP11849988U patent/JPH0241043U/ja active Pending